<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- Prepared by Clarity FSR  v6.6.0.454 using Fujitsu Interstage XWand -->

<linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/instance http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedBalanceSheet" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#StatementConsolidatedBalanceSheet" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" />
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedBalanceSheetParenthetical" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#StatementConsolidatedBalanceSheetParenthetical" />
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedStatementOfIncome" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ConsolidatedStatementOfIncome" />
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedStatementOfCashFlows" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#StatementConsolidatedStatementOfCashFlows" />
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedStatementOfChangesInEquity" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#StatementConsolidatedStatementOfChangesInEquity" />
  <roleRef roleURI="http://www.comcast.com/role/ConsolidatedStatementOfComprehensiveIncome" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ConsolidatedStatementOfComprehensiveIncome" />
  <roleRef roleURI="http://www.comcast.com/role/StatementConsolidatedStatementOfComprehensiveIncomeParenthetical" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ConsolidatedStatementOfComprehensiveIncomeParenthetical" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureRecentAccountingPronouncements" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureRecentAccountingPronouncements" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEarningsPerShare" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEarningsPerShare" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEvents" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureAcquisitionsAndOtherSignificantEvents" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestments" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureInvestments" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssets" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureGoodwillAndOtherIntangibleAssets" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebt" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebt" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFairValueMeasurements" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFairValueMeasurements" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureNoncontrollingInterests" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureNoncontrollingInterests" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquity" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquity" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformation" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformation" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCommitmentsAndContingencies" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCommitmentsAndContingencies" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegment" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFinancialDataByBusinessSegment" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformation" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCondensedConsolidatingFinancialInformation" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEarningsPerShareDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEarningsPerShareDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureAcquisitionsAndOtherSignificantEventsNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsConsiderationTransferredDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsConsiderationTransferredDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_InvestmentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsFairValueMethodInvestmentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureInvestmentsFairValueMethodInvestmentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsEquityMethodInvestmentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureInvestmentsEquityMethodInvestmentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsCostMethodInvestmentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureInvestmentsCostMethodInvestmentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePropertyAndEquipmentDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosurePropertyAndEquipmentDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsCarryingAmountOfGoodwillDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_GoodwillAndOtherIntangibleAssetsCarryingAmountOfGoodwillDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtDebtMaturitiesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtDebtMaturitiesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtDebtBorrowingsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtDebtBorrowingsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtDebtRepaymentsAndRepurchasesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtDebtRepaymentsAndRepurchasesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtCommercialPaperProgramDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtCommercialPaperProgramDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtRevolvingBankCreditFacilities" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_LongTermDebtRevolvingBankCreditFacilities" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureDerivativeFinancialInstrumentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeFairValueHedgesRecognizedDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_DerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeFairValueHedgesRecognizedDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsPretaxAmountOfGainLossRecognizedInAccumulatedOtherComprehensiveIncomeCashFlowHedgesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_DerivativeFinancialInstrumentsPretaxAmountOfGainLossRecognizedInAccumulatedOtherComprehensiveIncomeCashFlowHedgesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeNondesignatedDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_DerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeNondesignatedDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFairValueMeasurementsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFairValueMeasurementsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureNoncontrollingInterestsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureNoncontrollingInterestsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurFrozenPensionBenefitPlansDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurFrozenPensionBenefitPlansDetails" />
  <roleRef roleURI="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansDeferredCompensationPlansDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansDeferredCompensationPlansDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityAggregateShareRepurchasesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityAggregateShareRepurchasesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityChangesInCommonStockDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityChangesInCommonStockDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityDividendsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityDividendsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityComponentsOfAccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityComponentsOfAccumulatedOtherComprehensiveIncomeLossDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationRecognizedShareBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationRecognizedShareBasedCompensationExpenseDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationStockOptionFairValueDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationStockOptionFairValueDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationStockOptionActivityDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationStockOptionActivityDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationExercisedStockOptionsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationExercisedStockOptionsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationWeightedAverageFairValueOfGrantsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationWeightedAverageFairValueOfGrantsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationRestrictedStockPlanActivityDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationRestrictedStockPlanActivityDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationVestedRestrictedShareUnitsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationVestedRestrictedShareUnitsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesComponentsOfIncomeTaxExpenseDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesComponentsOfIncomeTaxExpenseDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesFederalStatutoryDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesFederalStatutoryDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesComponentsOfNetDeferredTaxLiabilityDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesComponentsOfNetDeferredTaxLiabilityDetails" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformationNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCommitmentsAndContingenciesNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesMinimumAnnualCommitmentsUnderTheProgrammingLicenseAgreementsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCommitmentsAndContingenciesMinimumAnnualCommitmentsUnderProgrammingLicenseAgreementsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesRentalExpenseDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_CommitmentsAndContingenciesRentalExpenseDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegmentDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFinancialDataByBusinessSegmentDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformationComponentsOfQuarterlyFinancialInformationDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureQuarterlyFinancialInformationComponentsOfQuarterlyFinancialInformationDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetDetails" />
  <roleRef roleURI="http://www.comcast.com/role/CondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfIncomeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_CondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfIncomeDetails" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfCashFlowsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfCashFlowsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DocumentDocumentAndEntityInformation" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DocumentDocumentAndEntityInformation" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureOrganizationAndBusiness" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureOrganizationAndBusiness" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPolicies" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureSummaryOfSignificantAccountingPolicies" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePropertyAndEquipment" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosurePropertyAndEquipment" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstruments" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureDerivativeFinancialInstruments" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlans" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosurePostretirementPensionAndOtherEmployeeBenefitPlans" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensation" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensation" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxes" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxes" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformation" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureQuarterlyFinancialInformation" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicy" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesPolicy" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEarningsPerShareTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEarningsPerShareTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureAcquisitionsAndOtherSignificantEventsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureInvestmentsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePropertyAndEquipmentTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosurePropertyAndEquipmentTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureGoodwillAndOtherIntangibleAssetsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureLongTermDebtTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureLongTermDebtTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureDerivativeFinancialInstrumentsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFairValueMeasurementsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFairValueMeasurementsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureNoncontrollingInterestsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureNoncontrollingInterestsTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureEquityTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureEquityTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformationTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCommitmentsAndContingenciesTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegmentTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureFinancialDataByBusinessSegmentTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformationTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureQuarterlyFinancialInformationTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCondensedConsolidatingFinancialInformationTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureOrganizationAndBusinessDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureOrganizationAndBusinessDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/GoodwillAndOtherIntangibleAssetsAmortizationOfIntangibleAssetsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_GoodwillAndOtherIntangibleAssetsAmortizationOfIntangibleAssetsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureShareBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureShareBasedCompensationNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureIncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureIncomeTaxesNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#DisclosureCondensedConsolidatingFinancialInformationNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureInvestmentsInvestmentIncomeLossNetDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_InvestmentsInvestmentIncomeLossNetDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureTermsOfOutstandingFixedToVariableSwapsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_TermsOfOutstandingFixedToVariableSwapsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFilmAndTelevisionCosts" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_FilmAndTelevisionCosts" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFilmAndTelevisionCostsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_FilmAndTelevisionCostsTables" />
  <roleRef roleURI="http://www.comcast.com/role/FilmAndTelevisionCostsNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_FilmAndTelevisionCostsNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureReceivablesMonetization" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ReceivablesMonetization" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureReceivablesMonetizationTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ReceivablesMonetizationTables" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureReceivablesMonetizationNarrativeDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ReceivablesMonetizationNarrativeDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureReceivablesMonetizationEffectOnIncomeFromReceivablesMonetizationAndCashFlowsOnTransfersDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ReceivablesMonetizationEffectOnIncomeFromReceivablesMonetizationAndCashFlowsOnTransfersDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureReceivablesMonetizationReceivablesMonetizedAndDeferredConsiderationDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ReceivablesMonetizationReceivablesMonetizedAndDeferredConsiderationDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsAllocationOfPurchasePriceDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsAllocationOfPurchasePriceDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsContingentConsiderationDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsContingentConsiderationDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsTransactionRelatedExpensesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsTransactionRelatedExpensesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsProFormaInformationDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsProFormaInformationDetails" />
  <roleRef roleURI="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsPreliminaryAllocationOfPurchasePriceUniversalOrlandoDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsPreliminaryAllocationOfPurchasePriceUniversalOrlandoDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureFilmAndTelevisionCostsFilmAndTelevisionCostsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_FilmAndTelevisionCostsFilmAndTelevisionCostsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationReceivablesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformationReceivablesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationOperatingCostsAndExpensesExcludingDepreciationAndAmortizationDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformationOperatingCostsAndExpensesExcludingDepreciationAndAmortizationDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationCashPaymentsForInterestAndIncomeTaxesDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_SupplementalFinancialInformationCashPaymentsForInterestAndIncomeTaxesDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurPostretirementAndPensionBenefitPlansDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurPostretirementAndPensionBenefitPlansDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansComponentsOfBenefitsExpenseDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansComponentsOfBenefitsExpenseDetails" />
  <roleRef roleURI="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansExpectedFutureBenefitPaymentsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_PostretirementPensionAndOtherEmployeeBenefitPlansExpectedFutureBenefitPaymentsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsConsiderationTransferredUniversalOrlandoDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_AcquisitionsAndOtherSignificantEventsConsiderationTransferredUniversalOrlandoDetails" />
  <roleRef roleURI="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccountsDetails" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ScheduleIIValuationAndQualifyingAccountsDetails" />
  <roleRef roleURI="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccountsTables" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ScheduleIIValuationAndQualifyingAccountsTables" />
  <roleRef roleURI="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccounts" xlink:type="simple" xlink:href="cmcsa-20111231.xsd#cmcsa_ELRID_ScheduleIIValuationAndQualifyingAccounts" />
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedBalanceSheet">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="Locator_us-gaap_StatementOfFinancialPositionAbstract_87" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_88" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfFinancialPositionAbstract_87" xlink:to="Locator_us-gaap_StatementTable_88" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_255" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_256" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_255" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_256" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_257" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_258" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_257" xlink:to="Locator_us-gaap_ClassOfStockDomain_258" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_259" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_260" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_259" xlink:to="Locator_us-gaap_CommonClassAMember_260" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_261" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_262" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_261" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_262" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_263" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_264" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_263" xlink:to="Locator_us-gaap_CommonClassBMember_264" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_253" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_254" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_253" xlink:to="Locator_us-gaap_StatementLineItems_254" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_63" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_64" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_63" xlink:to="Locator_us-gaap_AssetsAbstract_64" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_2" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_1" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_2" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="Locator_us-gaap_AccountsReceivableNetCurrent_4" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_3" xlink:to="Locator_us-gaap_AccountsReceivableNetCurrent_4" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_5" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingRightsCurrent" xlink:label="Locator_cmcsa_ProgrammingRightsCurrent_6" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_5" xlink:to="Locator_cmcsa_ProgrammingRightsCurrent_6" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_7" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="Locator_us-gaap_DeferredTaxAssetsNetCurrent_8" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_7" xlink:to="Locator_us-gaap_DeferredTaxAssetsNetCurrent_8" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_9" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="Locator_us-gaap_OtherAssetsCurrent_10" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_9" xlink:to="Locator_us-gaap_OtherAssetsCurrent_10" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_11" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="Locator_us-gaap_AssetsCurrent_12" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_11" xlink:to="Locator_us-gaap_AssetsCurrent_12" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_13" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCosts" xlink:label="Locator_cmcsa_FilmAndTelevisionCosts_14" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_13" xlink:to="Locator_cmcsa_FilmAndTelevisionCosts_14" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_15" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="Locator_us-gaap_LongTermInvestments_16" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_15" xlink:to="Locator_us-gaap_LongTermInvestments_16" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_17" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetNoncurrent" xlink:label="Locator_us-gaap_AccountsReceivableNetNoncurrent_18" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_17" xlink:to="Locator_us-gaap_AccountsReceivableNetNoncurrent_18" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_19" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentNet_20" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_19" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentNet_20" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_21" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedFranchiseRights" xlink:label="Locator_us-gaap_IndefiniteLivedFranchiseRights_22" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_21" xlink:to="Locator_us-gaap_IndefiniteLivedFranchiseRights_22" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_23" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Locator_us-gaap_Goodwill_24" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_23" xlink:to="Locator_us-gaap_Goodwill_24" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_25" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="Locator_us-gaap_OtherIntangibleAssetsNet_26" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_25" xlink:to="Locator_us-gaap_OtherIntangibleAssetsNet_26" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_27" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="Locator_us-gaap_OtherAssetsNoncurrent_28" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_27" xlink:to="Locator_us-gaap_OtherAssetsNoncurrent_28" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="Locator_us-gaap_AssetsAbstract_29" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Locator_us-gaap_Assets_30" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AssetsAbstract_29" xlink:to="Locator_us-gaap_Assets_30" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_65" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_66" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_65" xlink:to="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_66" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_31" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_32" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_31" xlink:to="Locator_us-gaap_LiabilitiesCurrentAbstract_32" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_49" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="Locator_us-gaap_AccountsPayableCurrent_50" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_49" xlink:to="Locator_us-gaap_AccountsPayableCurrent_50" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_51" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AccruedParticipationsAndResidualsCurrent" xlink:label="Locator_cmcsa_AccruedParticipationsAndResidualsCurrent_52" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_51" xlink:to="Locator_cmcsa_AccruedParticipationsAndResidualsCurrent_52" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_53" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedSalariesCurrent" xlink:label="Locator_us-gaap_AccruedSalariesCurrent_54" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_53" xlink:to="Locator_us-gaap_AccruedSalariesCurrent_54" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_55" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="Locator_us-gaap_DeferredRevenueCurrent_56" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_55" xlink:to="Locator_us-gaap_DeferredRevenueCurrent_56" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_57" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="Locator_us-gaap_AccruedLiabilitiesCurrent_58" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_57" xlink:to="Locator_us-gaap_AccruedLiabilitiesCurrent_58" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_59" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="Locator_us-gaap_DebtCurrent_60" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_59" xlink:to="Locator_us-gaap_DebtCurrent_60" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="Locator_us-gaap_LiabilitiesCurrentAbstract_61" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="Locator_us-gaap_LiabilitiesCurrent_62" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesCurrentAbstract_61" xlink:to="Locator_us-gaap_LiabilitiesCurrent_62" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_33" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_34" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_33" xlink:to="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_34" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_35" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="Locator_us-gaap_DeferredTaxLiabilitiesNoncurrent_36" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_35" xlink:to="Locator_us-gaap_DeferredTaxLiabilitiesNoncurrent_36" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_37" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="Locator_us-gaap_DeferredRevenueNoncurrent_38" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_37" xlink:to="Locator_us-gaap_DeferredRevenueNoncurrent_38" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_39" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="Locator_us-gaap_OtherLiabilitiesNoncurrent_40" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_39" xlink:to="Locator_us-gaap_OtherLiabilitiesNoncurrent_40" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_41" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="Locator_us-gaap_CommitmentsAndContingencies_42" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_41" xlink:to="Locator_us-gaap_CommitmentsAndContingencies_42" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_43" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_44" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_43" xlink:to="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_44" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_45" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_46" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_45" xlink:to="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_46" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_69" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="Locator_us-gaap_PreferredStockValue_70" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_69" xlink:to="Locator_us-gaap_PreferredStockValue_70" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="Locator_us-gaap_CommonStockValue_72" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71" xlink:to="Locator_us-gaap_CommonStockValue_72" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_73" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="Locator_us-gaap_AdditionalPaidInCapital_74" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_73" xlink:to="Locator_us-gaap_AdditionalPaidInCapital_74" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_75" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="Locator_us-gaap_RetainedEarningsAccumulatedDeficit_76" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_75" xlink:to="Locator_us-gaap_RetainedEarningsAccumulatedDeficit_76" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_77" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="Locator_us-gaap_TreasuryStockValue_78" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_77" xlink:to="Locator_us-gaap_TreasuryStockValue_78" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_79" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_80" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_79" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_80" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_81" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="Locator_us-gaap_StockholdersEquity_82" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_81" xlink:to="Locator_us-gaap_StockholdersEquity_82" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_83" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="Locator_us-gaap_MinorityInterest_84" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_83" xlink:to="Locator_us-gaap_MinorityInterest_84" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_85" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_86" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_85" xlink:to="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_86" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_47" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquity_48" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LiabilitiesAndStockholdersEquityAbstract_47" xlink:to="Locator_us-gaap_LiabilitiesAndStockholdersEquity_48" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedBalanceSheetParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="Locator_us-gaap_StatementOfFinancialPositionAbstract_281" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_282" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfFinancialPositionAbstract_281" xlink:to="Locator_us-gaap_StatementTable_282" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_309" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_310" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_309" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_310" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_311" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_312" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_311" xlink:to="Locator_us-gaap_ClassOfStockDomain_312" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_313" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_314" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_313" xlink:to="Locator_us-gaap_CommonClassAMember_314" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_315" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_316" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_315" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_316" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_317" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_318" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_317" xlink:to="Locator_us-gaap_CommonClassBMember_318" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_307" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_308" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_307" xlink:to="Locator_us-gaap_StatementLineItems_308" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_265" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="Locator_us-gaap_PreferredStockSharesAuthorized_266" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_265" xlink:to="Locator_us-gaap_PreferredStockSharesAuthorized_266" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_267" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="Locator_us-gaap_PreferredStockSharesIssued_268" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_267" xlink:to="Locator_us-gaap_PreferredStockSharesIssued_268" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_269" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="Locator_us-gaap_CommonStockParOrStatedValuePerShare_270" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_269" xlink:to="Locator_us-gaap_CommonStockParOrStatedValuePerShare_270" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_271" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="Locator_us-gaap_CommonStockSharesAuthorized_272" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_271" xlink:to="Locator_us-gaap_CommonStockSharesAuthorized_272" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_273" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="Locator_us-gaap_CommonStockSharesIssued_274" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_273" xlink:to="Locator_us-gaap_CommonStockSharesIssued_274" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_277" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="Locator_us-gaap_TreasuryStockShares_278" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_277" xlink:to="Locator_us-gaap_TreasuryStockShares_278" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_275" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="Locator_us-gaap_CommonStockSharesOutstanding_276" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_275" xlink:to="Locator_us-gaap_CommonStockSharesOutstanding_276" order="6.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedStatementOfIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_319" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Locator_us-gaap_Revenues_320" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_319" xlink:to="Locator_us-gaap_Revenues_320" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_321" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="Locator_us-gaap_CostsAndExpensesAbstract_322" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_321" xlink:to="Locator_us-gaap_CostsAndExpensesAbstract_322" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="Locator_us-gaap_CostsAndExpensesAbstract_343" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OperatingExpensesExcludingDepreciationAndAmortization" xlink:label="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_344" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CostsAndExpensesAbstract_343" xlink:to="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_344" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="Locator_us-gaap_CostsAndExpensesAbstract_345" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Depreciation" xlink:label="Locator_us-gaap_Depreciation_346" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CostsAndExpensesAbstract_345" xlink:to="Locator_us-gaap_Depreciation_346" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="Locator_us-gaap_CostsAndExpensesAbstract_347" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="Locator_us-gaap_AmortizationOfIntangibleAssets_348" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CostsAndExpensesAbstract_347" xlink:to="Locator_us-gaap_AmortizationOfIntangibleAssets_348" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="Locator_us-gaap_CostsAndExpensesAbstract_349" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="Locator_us-gaap_CostsAndExpenses_350" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CostsAndExpensesAbstract_349" xlink:to="Locator_us-gaap_CostsAndExpenses_350" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_323" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="Locator_us-gaap_OperatingIncomeLoss_324" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_323" xlink:to="Locator_us-gaap_OperatingIncomeLoss_324" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_325" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_326" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_325" xlink:to="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_326" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_351" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="Locator_us-gaap_InterestExpense_352" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_351" xlink:to="Locator_us-gaap_InterestExpense_352" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_353" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeNonoperating" xlink:label="Locator_us-gaap_InvestmentIncomeNonoperating_354" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_353" xlink:to="Locator_us-gaap_InvestmentIncomeNonoperating_354" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_355" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_356" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_355" xlink:to="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_356" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_357" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="Locator_us-gaap_OtherNonoperatingIncomeExpense_358" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_357" xlink:to="Locator_us-gaap_OtherNonoperatingIncomeExpense_358" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_359" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="Locator_us-gaap_NonoperatingIncomeExpense_360" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NonoperatingIncomeExpenseAbstract_359" xlink:to="Locator_us-gaap_NonoperatingIncomeExpense_360" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_327" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_328" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_327" xlink:to="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_328" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_329" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_IncomeTaxExpenseBenefit_330" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_329" xlink:to="Locator_us-gaap_IncomeTaxExpenseBenefit_330" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_331" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="Locator_us-gaap_ProfitLoss_332" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_331" xlink:to="Locator_us-gaap_ProfitLoss_332" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_333" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_334" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_333" xlink:to="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_334" order="8.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_335" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="Locator_us-gaap_NetIncomeLoss_336" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_335" xlink:to="Locator_us-gaap_NetIncomeLoss_336" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_337" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="Locator_us-gaap_EarningsPerShareBasic_338" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_337" xlink:to="Locator_us-gaap_EarningsPerShareBasic_338" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_339" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="Locator_us-gaap_EarningsPerShareDiluted_340" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_339" xlink:to="Locator_us-gaap_EarningsPerShareDiluted_340" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="Locator_us-gaap_IncomeStatementAbstract_341" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="Locator_us-gaap_CommonStockDividendsPerShareDeclared_342" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeStatementAbstract_341" xlink:to="Locator_us-gaap_CommonStockDividendsPerShareDeclared_342" order="12.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedStatementOfCashFlows">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_433" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="Locator_us-gaap_ProfitLoss_434" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_433" xlink:to="Locator_us-gaap_ProfitLoss_434" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_435" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_436" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_435" xlink:to="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_436" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_417" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="Locator_us-gaap_DepreciationAndAmortization_418" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_417" xlink:to="Locator_us-gaap_DepreciationAndAmortization_418" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_419" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AmortizationOfFilmAndTelevisionCosts" xlink:label="Locator_cmcsa_AmortizationOfFilmAndTelevisionCosts_420" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_419" xlink:to="Locator_cmcsa_AmortizationOfFilmAndTelevisionCosts_420" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_421" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="Locator_us-gaap_ShareBasedCompensation_422" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_421" xlink:to="Locator_us-gaap_ShareBasedCompensation_422" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_423" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherNonCashIncomeExpense1" xlink:label="Locator_cmcsa_OtherNonCashIncomeExpense1_424" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_423" xlink:to="Locator_cmcsa_OtherNonCashIncomeExpense1_424" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_425" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_426" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_425" xlink:to="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_426" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_427" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="Locator_us-gaap_EquityMethodInvestmentDividendsOrDistributions_428" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_427" xlink:to="Locator_us-gaap_EquityMethodInvestmentDividendsOrDistributions_428" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_429" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet" xlink:label="Locator_cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet_430" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_429" xlink:to="Locator_cmcsa_GainLossOnInvestmentsAndNoncashOtherIncomeExpenseNet_430" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_431" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_DeferredIncomeTaxExpenseBenefit_432" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_431" xlink:to="Locator_us-gaap_DeferredIncomeTaxExpenseBenefit_432" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_437" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_438" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_437" xlink:to="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_438" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_391" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="Locator_us-gaap_IncreaseDecreaseInAccountsReceivable_392" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_391" xlink:to="Locator_us-gaap_IncreaseDecreaseInAccountsReceivable_392" order="0.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_393" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ChangeInFilmAndTelevisionCosts" xlink:label="Locator_cmcsa_ChangeInFilmAndTelevisionCosts_394" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_393" xlink:to="Locator_cmcsa_ChangeInFilmAndTelevisionCosts_394" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_395" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="Locator_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_396" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_395" xlink:to="Locator_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_396" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_397" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="Locator_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_398" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_397" xlink:to="Locator_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_398" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_439" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivities_440" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_439" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivities_440" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_453" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_453" xlink:to="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_454" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_455" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="Locator_us-gaap_PaymentsToAcquireIntangibleAssets_456" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_455" xlink:to="Locator_us-gaap_PaymentsToAcquireIntangibleAssets_456" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_457" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="Locator_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_458" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_457" xlink:to="Locator_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_458" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_459" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="Locator_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_460" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_459" xlink:to="Locator_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_460" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_461" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="Locator_us-gaap_PaymentsToAcquireInvestments_462" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_461" xlink:to="Locator_us-gaap_PaymentsToAcquireInvestments_462" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_463" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="Locator_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_464" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_463" xlink:to="Locator_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_464" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_465" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivities_466" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_465" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivities_466" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_399" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="Locator_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_400" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_399" xlink:to="Locator_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_400" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_401" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherDebt" xlink:label="Locator_us-gaap_ProceedsFromOtherDebt_402" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_401" xlink:to="Locator_us-gaap_ProceedsFromOtherDebt_402" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_403" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="Locator_us-gaap_RepaymentsOfOtherDebt_404" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_403" xlink:to="Locator_us-gaap_RepaymentsOfOtherDebt_404" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_405" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_406" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_405" xlink:to="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_406" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_407" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="Locator_us-gaap_PaymentsOfDividends_408" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_407" xlink:to="Locator_us-gaap_PaymentsOfDividends_408" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_409" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="Locator_us-gaap_ProceedsFromIssuanceOfCommonStock_410" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_409" xlink:to="Locator_us-gaap_ProceedsFromIssuanceOfCommonStock_410" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_411" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="Locator_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_412" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_411" xlink:to="Locator_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_412" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_413" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="Locator_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_414" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_413" xlink:to="Locator_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_414" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_415" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivities_416" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_415" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivities_416" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_441" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_442" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_441" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_442" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_443" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_443" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_444" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_445" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_446" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_445" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_446" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_447" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="Locator_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_448" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_447" xlink:to="Locator_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_448" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_449" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_450" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_449" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_450" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="Locator_us-gaap_StatementOfCashFlowsAbstract_451" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_452" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfCashFlowsAbstract_451" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_452" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedStatementOfChangesInEquity">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_599" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_600" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_599" xlink:to="Locator_us-gaap_StatementLineItems_600" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="Locator_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_529" xlink:to="Locator_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_530" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_531" xlink:to="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_532" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_533" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="Locator_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_533" xlink:to="Locator_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_534" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_537" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_537" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease_538" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_539" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestIncreaseDecreaseRelatedToAcquisition" xlink:label="Locator_cmcsa_NoncontrollingInterestIncreaseDecreaseRelatedToAcquisition_540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_539" xlink:to="Locator_cmcsa_NoncontrollingInterestIncreaseDecreaseRelatedToAcquisition_540" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_541" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterests" xlink:label="Locator_cmcsa_NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterests_542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_541" xlink:to="Locator_cmcsa_NoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterests_542" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_543" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestIncreaseFromEquityIssuanceOrSaleOfParentEquityInterest" xlink:label="Locator_cmcsa_NoncontrollingInterestIncreaseFromEquityIssuanceOrSaleOfParentEquityInterest_544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_543" xlink:to="Locator_cmcsa_NoncontrollingInterestIncreaseFromEquityIssuanceOrSaleOfParentEquityInterest_544" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_545" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ContributionsFromAndDistributionsToNoncontrollingInterests" xlink:label="Locator_cmcsa_ContributionsFromAndDistributionsToNoncontrollingInterests_546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_545" xlink:to="Locator_cmcsa_ContributionsFromAndDistributionsToNoncontrollingInterests_546" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_547" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityProfitLoss" xlink:label="Locator_cmcsa_EquityProfitLoss_548" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_547" xlink:to="Locator_cmcsa_EquityProfitLoss_548" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="Locator_us-gaap_DividendsCommonStockCash_536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_535" xlink:to="Locator_us-gaap_DividendsCommonStockCash_536" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_527" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_527" xlink:to="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_528" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_550" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_549" xlink:to="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_550" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_601" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="Locator_us-gaap_StatementEquityComponentsAxis_602" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_601" xlink:to="Locator_us-gaap_StatementEquityComponentsAxis_602" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="Locator_us-gaap_StatementEquityComponentsAxis_603" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_604" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementEquityComponentsAxis_603" xlink:to="Locator_us-gaap_EquityComponentDomain_604" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_605" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RedeemableNoncontrollingInterestsMember" xlink:label="Locator_cmcsa_RedeemableNoncontrollingInterestsMember_606" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_605" xlink:to="Locator_cmcsa_RedeemableNoncontrollingInterestsMember_606" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_607" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_608" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_607" xlink:to="Locator_us-gaap_CommonClassAMember_608" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_609" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_610" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_609" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_610" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_611" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_612" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_611" xlink:to="Locator_us-gaap_CommonClassBMember_612" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_613" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="Locator_us-gaap_AdditionalPaidInCapitalMember_614" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_613" xlink:to="Locator_us-gaap_AdditionalPaidInCapitalMember_614" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_615" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="Locator_us-gaap_RetainedEarningsMember_616" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_615" xlink:to="Locator_us-gaap_RetainedEarningsMember_616" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_617" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="Locator_us-gaap_TreasuryStockMember_618" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_617" xlink:to="Locator_us-gaap_TreasuryStockMember_618" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_619" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeMember_620" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_619" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeMember_620" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="Locator_us-gaap_EquityComponentDomain_621" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="Locator_us-gaap_NoncontrollingInterestMember_622" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityComponentDomain_621" xlink:to="Locator_us-gaap_NoncontrollingInterestMember_622" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="Locator_us-gaap_StatementOfStockholdersEquityAbstract_553" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_554" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfStockholdersEquityAbstract_553" xlink:to="Locator_us-gaap_StatementTable_554" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/ConsolidatedStatementOfComprehensiveIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_623" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="Locator_us-gaap_ProfitLoss_624" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_623" xlink:to="Locator_us-gaap_ProfitLoss_624" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_625" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_626" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_625" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_626" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_627" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_628" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_627" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_628" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_629" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_630" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_629" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_630" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_631" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_632" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_631" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_632" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_633" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease_634" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_633" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease_634" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_635" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_636" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_635" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease_636" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_637" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_638" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_637" xlink:to="Locator_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_638" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_639" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_640" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_639" xlink:to="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_640" order="8.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_641" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_642" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_641" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_642" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_643" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="Locator_us-gaap_ComprehensiveIncomeNetOfTax_644" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_643" xlink:to="Locator_us-gaap_ComprehensiveIncomeNetOfTax_644" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/StatementConsolidatedStatementOfComprehensiveIncomeParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_699" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_700" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_699" xlink:to="Locator_us-gaap_StatementLineItems_700" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_665" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_666" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_665" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_666" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_667" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_668" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_667" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_668" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_669" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax_670" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_669" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax_670" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_671" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_671" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeTax_672" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_673" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax_674" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_673" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTax_674" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_675" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_676" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_675" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_676" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_701" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_702" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_701" xlink:to="Locator_dei_LegalEntityAxis_702" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_703" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_704" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_703" xlink:to="Locator_dei_EntityDomain_704" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_705" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_706" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_705" xlink:to="Locator_us-gaap_ParentCompanyMember_706" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_679" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_680" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_679" xlink:to="Locator_us-gaap_StatementTable_680" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureRecentAccountingPronouncements">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RecentAccountingPronouncementsAbstract" xlink:label="Locator_cmcsa_RecentAccountingPronouncementsAbstract_707" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="Locator_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_708" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_RecentAccountingPronouncementsAbstract_707" xlink:to="Locator_us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_708" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEarningsPerShare">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_709" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="Locator_us-gaap_EarningsPerShareTextBlock_710" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_709" xlink:to="Locator_us-gaap_EarningsPerShareTextBlock_710" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEvents">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionsAndOtherSignificantEventsAbstract" xlink:label="Locator_cmcsa_AcquisitionsAndOtherSignificantEventsAbstract_711" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="Locator_us-gaap_BusinessCombinationDisclosureTextBlock_712" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionsAndOtherSignificantEventsAbstract_711" xlink:to="Locator_us-gaap_BusinessCombinationDisclosureTextBlock_712" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestments">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_713" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InvestmentsTextBlock" xlink:label="Locator_cmcsa_InvestmentsTextBlock_714" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_713" xlink:to="Locator_cmcsa_InvestmentsTextBlock_714" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssets">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_715" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="Locator_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_716" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_715" xlink:to="Locator_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_716" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebt">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_717" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="Locator_us-gaap_DebtDisclosureTextBlock_718" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_717" xlink:to="Locator_us-gaap_DebtDisclosureTextBlock_718" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFairValueMeasurements">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMeasurementsAbstract" xlink:label="Locator_cmcsa_FairValueMeasurementsAbstract_719" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="Locator_us-gaap_FairValueDisclosuresTextBlock_720" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FairValueMeasurementsAbstract_719" xlink:to="Locator_us-gaap_FairValueDisclosuresTextBlock_720" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureNoncontrollingInterests">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestsAbstract" xlink:label="Locator_cmcsa_NoncontrollingInterestsAbstract_721" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestDisclosureTextBlock" xlink:label="Locator_us-gaap_MinorityInterestDisclosureTextBlock_722" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_NoncontrollingInterestsAbstract_721" xlink:to="Locator_us-gaap_MinorityInterestDisclosureTextBlock_722" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquity">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_723" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="Locator_us-gaap_StockholdersEquityNoteDisclosureTextBlock_724" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_723" xlink:to="Locator_us-gaap_StockholdersEquityNoteDisclosureTextBlock_724" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformation">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_725" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationTextBlock" xlink:label="Locator_cmcsa_SupplementalFinancialInformationTextBlock_726" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_725" xlink:to="Locator_cmcsa_SupplementalFinancialInformationTextBlock_726" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCommitmentsAndContingencies">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_727" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="Locator_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_728" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_727" xlink:to="Locator_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_728" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegment">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FinancialDataByBusinessSegmentAbstract" xlink:label="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_729" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="Locator_us-gaap_SegmentReportingDisclosureTextBlock_730" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_729" xlink:to="Locator_us-gaap_SegmentReportingDisclosureTextBlock_730" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformation">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_731" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:label="Locator_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_732" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_731" xlink:to="Locator_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock_732" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEarningsPerShareDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_733" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_734" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_733" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_734" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_735" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="Locator_us-gaap_NetIncomeLoss_736" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_735" xlink:to="Locator_us-gaap_NetIncomeLoss_736" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_737" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="Locator_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_738" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_737" xlink:to="Locator_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_738" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_739" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="Locator_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_740" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_739" xlink:to="Locator_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_740" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_741" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="Locator_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_742" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_741" xlink:to="Locator_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_742" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_743" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="Locator_us-gaap_EarningsPerShareBasic_744" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_743" xlink:to="Locator_us-gaap_EarningsPerShareBasic_744" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_745" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="Locator_us-gaap_EarningsPerShareDiluted_746" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_745" xlink:to="Locator_us-gaap_EarningsPerShareDiluted_746" order="7.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_859" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_860" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_859" xlink:to="Locator_dei_LegalEntityAxis_860" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_863" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_864" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_863" xlink:to="Locator_dei_EntityDomain_864" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_869" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_870" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_869" xlink:to="Locator_us-gaap_ParentCompanyMember_870" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_871" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GeMember" xlink:label="Locator_cmcsa_GeMember_872" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_871" xlink:to="Locator_cmcsa_GeMember_872" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_865" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_866" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_865" xlink:to="Locator_cmcsa_NbcuniversalMember_866" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_867" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_868" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_867" xlink:to="Locator_cmcsa_UniversalOrlandoMember_868" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_861" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_862" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_861" xlink:to="Locator_us-gaap_DebtInstrumentAxis_862" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_873" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_874" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_873" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_874" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_875" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoTermLoanMember" xlink:label="Locator_cmcsa_UniversalOrlandoTermLoanMember_876" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_875" xlink:to="Locator_cmcsa_UniversalOrlandoTermLoanMember_876" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_877" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorSubordinated10875NotesDue2016Member" xlink:label="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_878" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_877" xlink:to="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_878" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_879" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Senior8875NotesDue2015Member" xlink:label="Locator_cmcsa_Senior8875NotesDue2015Member_880" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_879" xlink:to="Locator_cmcsa_Senior8875NotesDue2015Member_880" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_857" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_858" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_857" xlink:to="Locator_us-gaap_BusinessAcquisitionLineItems_858" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_755" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OwnershipPercentageInNewCompany" xlink:label="Locator_cmcsa_OwnershipPercentageInNewCompany_756" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_755" xlink:to="Locator_cmcsa_OwnershipPercentageInNewCompany_756" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_757" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_758" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_757" xlink:to="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_758" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_759" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CashPaidToAcquireEntityIncludingTransactionRelatedCosts" xlink:label="Locator_cmcsa_CashPaidToAcquireEntityIncludingTransactionRelatedCosts_760" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_759" xlink:to="Locator_cmcsa_CashPaidToAcquireEntityIncludingTransactionRelatedCosts_760" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_761" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageAdjustmentFactorToDetermineRedemptionAndPurchasePriceForNoncontrollingInvestorsInterest" xlink:label="Locator_cmcsa_PercentageAdjustmentFactorToDetermineRedemptionAndPurchasePriceForNoncontrollingInvestorsInterest_762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_761" xlink:to="Locator_cmcsa_PercentageAdjustmentFactorToDetermineRedemptionAndPurchasePriceForNoncontrollingInvestorsInterest_762" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_763" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AmountUsedForDeterminingRedemptionAndPurchasePrice" xlink:label="Locator_cmcsa_AmountUsedForDeterminingRedemptionAndPurchasePrice_764" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_763" xlink:to="Locator_cmcsa_AmountUsedForDeterminingRedemptionAndPurchasePrice_764" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_765" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ParentsCashOrCommonStockFundingCommitmentForEachOfNoncontrollingInvestorsTwoRedemptionRights" xlink:label="Locator_cmcsa_ParentsCashOrCommonStockFundingCommitmentForEachOfNoncontrollingInvestorsTwoRedemptionRights_766" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_765" xlink:to="Locator_cmcsa_ParentsCashOrCommonStockFundingCommitmentForEachOfNoncontrollingInvestorsTwoRedemptionRights_766" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_767" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AggregateCashOrCommonStockFundingCommitmentForNoncontrollingInvestorRedemptionRights" xlink:label="Locator_cmcsa_AggregateCashOrCommonStockFundingCommitmentForNoncontrollingInvestorRedemptionRights_768" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_767" xlink:to="Locator_cmcsa_AggregateCashOrCommonStockFundingCommitmentForNoncontrollingInvestorRedemptionRights_768" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_769" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MeasurementPeriodDecreaseInGoodwill" xlink:label="Locator_cmcsa_MeasurementPeriodDecreaseInGoodwill_770" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_769" xlink:to="Locator_cmcsa_MeasurementPeriodDecreaseInGoodwill_770" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_773" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredTaxOnExchangeTransaction" xlink:label="Locator_cmcsa_DeferredTaxOnExchangeTransaction_774" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_773" xlink:to="Locator_cmcsa_DeferredTaxOnExchangeTransaction_774" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_775" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_776" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_775" xlink:to="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_776" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_777" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_778" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_777" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount_778" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_779" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_780" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_779" xlink:to="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_780" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_781" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_782" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_781" xlink:to="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_782" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_783" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IntercompanyNote" xlink:label="Locator_cmcsa_IntercompanyNote_784" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_783" xlink:to="Locator_cmcsa_IntercompanyNote_784" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_785" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue" xlink:label="Locator_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue_786" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_785" xlink:to="Locator_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue_786" order="15.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_787" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:label="Locator_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_788" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_787" xlink:to="Locator_us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual_788" order="16.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_789" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:label="Locator_us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_790" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_789" xlink:to="Locator_us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual_790" order="17.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_771" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet_772" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_771" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet_772" order="8.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_793" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_794" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_793" xlink:to="Locator_us-gaap_StatementTable_794" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsConsiderationTransferredDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_923" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_924" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_923" xlink:to="Locator_us-gaap_StatementLineItems_924" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_883" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration" xlink:label="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration_884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_883" xlink:to="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityOtherNoncashConsideration_884" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_887" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueOfRedeemableNoncontrollingInterestAssociatedWithNetAssetsAcquired" xlink:label="Locator_cmcsa_FairValueOfRedeemableNoncontrollingInterestAssociatedWithNetAssetsAcquired_888" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_887" xlink:to="Locator_cmcsa_FairValueOfRedeemableNoncontrollingInterestAssociatedWithNetAssetsAcquired_888" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_885" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_886" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_885" xlink:to="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_886" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_881" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_882" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_881" xlink:to="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_882" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_889" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired" xlink:label="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_890" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_889" xlink:to="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_890" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_929" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_930" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_929" xlink:to="Locator_dei_LegalEntityAxis_930" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_939" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_940" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_939" xlink:to="Locator_dei_EntityDomain_940" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_941" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_942" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_941" xlink:to="Locator_us-gaap_ParentCompanyMember_942" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_927" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="Locator_us-gaap_StatementScenarioAxis_928" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_927" xlink:to="Locator_us-gaap_StatementScenarioAxis_928" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="Locator_us-gaap_StatementScenarioAxis_935" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="Locator_us-gaap_ScenarioUnspecifiedDomain_936" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementScenarioAxis_935" xlink:to="Locator_us-gaap_ScenarioUnspecifiedDomain_936" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="Locator_us-gaap_ScenarioUnspecifiedDomain_937" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InsightTransactionMember" xlink:label="Locator_cmcsa_InsightTransactionMember_938" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScenarioUnspecifiedDomain_937" xlink:to="Locator_cmcsa_InsightTransactionMember_938" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_925" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_926" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_925" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_926" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_931" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_932" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_931" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_932" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_933" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_934" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_933" xlink:to="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_934" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_893" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_894" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_893" xlink:to="Locator_us-gaap_StatementTable_894" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1015" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1016" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1015" xlink:to="Locator_us-gaap_StatementLineItems_1016" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_945" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="Locator_us-gaap_MarketableSecurities_946" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_945" xlink:to="Locator_us-gaap_MarketableSecurities_946" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_947" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityMethodInvestmentsInStockAndOther" xlink:label="Locator_cmcsa_EquityMethodInvestmentsInStockAndOther_948" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_947" xlink:to="Locator_cmcsa_EquityMethodInvestmentsInStockAndOther_948" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_949" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="Locator_us-gaap_CostMethodInvestments_950" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_949" xlink:to="Locator_us-gaap_CostMethodInvestments_950" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_951" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Investments" xlink:label="Locator_us-gaap_Investments_952" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_951" xlink:to="Locator_us-gaap_Investments_952" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_953" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="Locator_us-gaap_ShortTermInvestments_954" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_953" xlink:to="Locator_us-gaap_ShortTermInvestments_954" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_955" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="Locator_us-gaap_LongTermInvestments_956" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_955" xlink:to="Locator_us-gaap_LongTermInvestments_956" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1019" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1020" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1019" xlink:to="Locator_dei_LegalEntityAxis_1020" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1043" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1044" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1043" xlink:to="Locator_dei_EntityDomain_1044" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1045" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_1046" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1045" xlink:to="Locator_us-gaap_ParentCompanyMember_1046" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1047" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AirTouchMember" xlink:label="Locator_cmcsa_AirTouchMember_1048" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1047" xlink:to="Locator_cmcsa_AirTouchMember_1048" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1017" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1018" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1017" xlink:to="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1018" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1021" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1022" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1021" xlink:to="Locator_us-gaap_EquityMethodInvesteeNameDomain_1022" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1025" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClearwireLlcMember" xlink:label="Locator_cmcsa_ClearwireLlcMember_1026" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1025" xlink:to="Locator_cmcsa_ClearwireLlcMember_1026" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1029" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AirTouchMember" xlink:label="Locator_cmcsa_AirTouchMember_1030" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1029" xlink:to="Locator_cmcsa_AirTouchMember_1030" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1031" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherCostMethodInvestmentMember" xlink:label="Locator_cmcsa_OtherCostMethodInvestmentMember_1032" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1031" xlink:to="Locator_cmcsa_OtherCostMethodInvestmentMember_1032" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1033" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="Locator_us-gaap_EquitySecuritiesMember_1034" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1033" xlink:to="Locator_us-gaap_EquitySecuritiesMember_1034" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1037" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AETelevisionNetworksLlcMember" xlink:label="Locator_cmcsa_AETelevisionNetworksLlcMember_1038" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1037" xlink:to="Locator_cmcsa_AETelevisionNetworksLlcMember_1038" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1039" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TheWeatherChannelMember" xlink:label="Locator_cmcsa_TheWeatherChannelMember_1040" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1039" xlink:to="Locator_cmcsa_TheWeatherChannelMember_1040" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1041" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MsnbccomMember" xlink:label="Locator_cmcsa_MsnbccomMember_1042" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1041" xlink:to="Locator_cmcsa_MsnbccomMember_1042" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1027" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherEquityMethodInvestmentsMember" xlink:label="Locator_cmcsa_OtherEquityMethodInvestmentsMember_1028" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1027" xlink:to="Locator_cmcsa_OtherEquityMethodInvestmentsMember_1028" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1035" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMethodMember" xlink:label="Locator_cmcsa_FairValueMethodMember_1036" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1035" xlink:to="Locator_cmcsa_FairValueMethodMember_1036" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1023" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SpectrumCoLlcMember" xlink:label="Locator_cmcsa_SpectrumCoLlcMember_1024" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1023" xlink:to="Locator_cmcsa_SpectrumCoLlcMember_1024" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_959" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_960" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_959" xlink:to="Locator_us-gaap_StatementTable_960" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsFairValueMethodInvestmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1117" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1118" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1117" xlink:to="Locator_us-gaap_StatementLineItems_1118" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1049" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquitySecuritiesHeldAsCollateral" xlink:label="Locator_cmcsa_EquitySecuritiesHeldAsCollateral_1050" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1049" xlink:to="Locator_cmcsa_EquitySecuritiesHeldAsCollateral_1050" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1051" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageOfFairValueDebtAndEquitySecuritiesHeldAsCollateral" xlink:label="Locator_cmcsa_PercentageOfFairValueDebtAndEquitySecuritiesHeldAsCollateral_1052" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1051" xlink:to="Locator_cmcsa_PercentageOfFairValueDebtAndEquitySecuritiesHeldAsCollateral_1052" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1053" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleObligationsFairValue" xlink:label="Locator_cmcsa_PrepaidForwardSaleObligationsFairValue_1054" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1053" xlink:to="Locator_cmcsa_PrepaidForwardSaleObligationsFairValue_1054" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1055" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="Locator_us-gaap_AvailableForSaleSecurities_1056" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1055" xlink:to="Locator_us-gaap_AvailableForSaleSecurities_1056" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1057" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:label="Locator_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain_1058" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1057" xlink:to="Locator_us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain_1058" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1059" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:label="Locator_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_1060" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1059" xlink:to="Locator_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_1060" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1061" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CumulativeUnrealizedGainsLossesInEarningsRelatedToFairValueHedges" xlink:label="Locator_cmcsa_CumulativeUnrealizedGainsLossesInEarningsRelatedToFairValueHedges_1062" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1061" xlink:to="Locator_cmcsa_CumulativeUnrealizedGainsLossesInEarningsRelatedToFairValueHedges_1062" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1063" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="Locator_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_1064" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1063" xlink:to="Locator_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_1064" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1065" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="Locator_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1066" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1065" xlink:to="Locator_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_1066" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1121" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1122" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1121" xlink:to="Locator_dei_LegalEntityAxis_1122" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1129" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1130" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1129" xlink:to="Locator_dei_EntityDomain_1130" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1131" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_1132" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1131" xlink:to="Locator_us-gaap_ParentCompanyMember_1132" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1133" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SpectrumCoLlcMember" xlink:label="Locator_cmcsa_SpectrumCoLlcMember_1134" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1133" xlink:to="Locator_cmcsa_SpectrumCoLlcMember_1134" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1139" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClearwireLlcMember" xlink:label="Locator_cmcsa_ClearwireLlcMember_1140" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1139" xlink:to="Locator_cmcsa_ClearwireLlcMember_1140" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1141" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AETelevisionNetworksLlcMember" xlink:label="Locator_cmcsa_AETelevisionNetworksLlcMember_1142" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1141" xlink:to="Locator_cmcsa_AETelevisionNetworksLlcMember_1142" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1135" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MsnbccomMember" xlink:label="Locator_cmcsa_MsnbccomMember_1136" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1135" xlink:to="Locator_cmcsa_MsnbccomMember_1136" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1137" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TheWeatherChannelMember" xlink:label="Locator_cmcsa_TheWeatherChannelMember_1138" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1137" xlink:to="Locator_cmcsa_TheWeatherChannelMember_1138" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1119" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1120" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1119" xlink:to="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1120" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1125" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1126" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1125" xlink:to="Locator_us-gaap_EquityMethodInvesteeNameDomain_1126" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1127" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMethodMember" xlink:label="Locator_cmcsa_FairValueMethodMember_1128" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1127" xlink:to="Locator_cmcsa_FairValueMethodMember_1128" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1123" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1124" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1123" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1124" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1143" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1144" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1143" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1144" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1145" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleObligationsMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleObligationsMember_1146" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1145" xlink:to="Locator_cmcsa_PrepaidForwardSaleObligationsMember_1146" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_1069" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1070" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_1069" xlink:to="Locator_us-gaap_StatementTable_1070" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsEquityMethodInvestmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1225" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1226" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1225" xlink:to="Locator_us-gaap_StatementLineItems_1226" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1147" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="Locator_us-gaap_EquityMethodInvestmentOwnershipPercentage_1148" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1147" xlink:to="Locator_us-gaap_EquityMethodInvestmentOwnershipPercentage_1148" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1149" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity" xlink:label="Locator_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_1150" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1149" xlink:to="Locator_us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity_1150" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1151" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfWireLessSpectrumLicenses" xlink:label="Locator_cmcsa_NumberOfWireLessSpectrumLicenses_1152" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1151" xlink:to="Locator_cmcsa_NumberOfWireLessSpectrumLicenses_1152" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1153" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CashPaidByEquityMethodInvestmentForIntangibleAssets" xlink:label="Locator_cmcsa_CashPaidByEquityMethodInvestmentForIntangibleAssets_1154" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1153" xlink:to="Locator_cmcsa_CashPaidByEquityMethodInvestmentForIntangibleAssets_1154" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1155" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="Locator_us-gaap_PaymentsToAcquireEquityMethodInvestments_1156" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1155" xlink:to="Locator_us-gaap_PaymentsToAcquireEquityMethodInvestments_1156" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1157" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExpectedProceedsReceivedByEquityMethodInvestmentForSaleOfIntangibleAssets" xlink:label="Locator_cmcsa_ExpectedProceedsReceivedByEquityMethodInvestmentForSaleOfIntangibleAssets_1158" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1157" xlink:to="Locator_cmcsa_ExpectedProceedsReceivedByEquityMethodInvestmentForSaleOfIntangibleAssets_1158" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1159" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExpectedProceedsFromSaleOfEquityMethodInvestment" xlink:label="Locator_cmcsa_ExpectedProceedsFromSaleOfEquityMethodInvestment_1160" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1159" xlink:to="Locator_cmcsa_ExpectedProceedsFromSaleOfEquityMethodInvestment_1160" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1161" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InitialInvestmentByInvestorGroup" xlink:label="Locator_cmcsa_InitialInvestmentByInvestorGroup_1162" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1161" xlink:to="Locator_cmcsa_InitialInvestmentByInvestorGroup_1162" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1163" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InitialInvestmentInEquityMethodInvestment" xlink:label="Locator_cmcsa_InitialInvestmentInEquityMethodInvestment_1164" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1163" xlink:to="Locator_cmcsa_InitialInvestmentInEquityMethodInvestment_1164" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1165" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets" xlink:label="Locator_us-gaap_ProceedsFromSaleOfIntangibleAssets_1166" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1165" xlink:to="Locator_us-gaap_ProceedsFromSaleOfIntangibleAssets_1166" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1167" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageOfCashReceivedFromInvestees" xlink:label="Locator_cmcsa_PercentageOfCashReceivedFromInvestees_1168" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1167" xlink:to="Locator_cmcsa_PercentageOfCashReceivedFromInvestees_1168" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1229" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1230" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1229" xlink:to="Locator_dei_LegalEntityAxis_1230" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1239" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1240" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1239" xlink:to="Locator_dei_EntityDomain_1240" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1245" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_1246" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1245" xlink:to="Locator_us-gaap_ParentCompanyMember_1246" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1255" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_1256" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1255" xlink:to="Locator_cmcsa_NbcuniversalMember_1256" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1241" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SpectrumCoLlcMember" xlink:label="Locator_cmcsa_SpectrumCoLlcMember_1242" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1241" xlink:to="Locator_cmcsa_SpectrumCoLlcMember_1242" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1243" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClearwireLlcMember" xlink:label="Locator_cmcsa_ClearwireLlcMember_1244" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1243" xlink:to="Locator_cmcsa_ClearwireLlcMember_1244" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1249" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AETelevisionNetworksLlcMember" xlink:label="Locator_cmcsa_AETelevisionNetworksLlcMember_1250" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1249" xlink:to="Locator_cmcsa_AETelevisionNetworksLlcMember_1250" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1251" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MsnbccomMember" xlink:label="Locator_cmcsa_MsnbccomMember_1252" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1251" xlink:to="Locator_cmcsa_MsnbccomMember_1252" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1253" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TheWeatherChannelMember" xlink:label="Locator_cmcsa_TheWeatherChannelMember_1254" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1253" xlink:to="Locator_cmcsa_TheWeatherChannelMember_1254" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1247" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastCorporationMember" xlink:label="Locator_cmcsa_ComcastCorporationMember_1248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1247" xlink:to="Locator_cmcsa_ComcastCorporationMember_1248" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1227" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1228" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1227" xlink:to="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1228" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1231" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1232" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1231" xlink:to="Locator_us-gaap_EquityMethodInvesteeNameDomain_1232" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1233" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherEquityMethodInvestmentsMember" xlink:label="Locator_cmcsa_OtherEquityMethodInvestmentsMember_1234" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1233" xlink:to="Locator_cmcsa_OtherEquityMethodInvestmentsMember_1234" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1235" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMethodMember" xlink:label="Locator_cmcsa_FairValueMethodMember_1236" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1235" xlink:to="Locator_cmcsa_FairValueMethodMember_1236" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="Locator_us-gaap_EquityMethodInvesteeNameDomain_1237" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SpectrumCoLlcMember" xlink:label="Locator_cmcsa_SpectrumCoLlcMember_1238" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityMethodInvesteeNameDomain_1237" xlink:to="Locator_cmcsa_SpectrumCoLlcMember_1238" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_1171" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1172" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_1171" xlink:to="Locator_us-gaap_StatementTable_1172" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsCostMethodInvestmentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1307" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_1308" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1307" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_1308" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_1311" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_1312" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_1311" xlink:to="Locator_us-gaap_ClassOfStockDomain_1312" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_1313" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="Locator_us-gaap_CommonStockMember_1314" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_1313" xlink:to="Locator_us-gaap_CommonStockMember_1314" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="Locator_us-gaap_CommonStockMember_1315" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_1316" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CommonStockMember_1315" xlink:to="Locator_us-gaap_CommonClassAMember_1316" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="Locator_us-gaap_CommonStockMember_1317" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_1318" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_CommonStockMember_1317" xlink:to="Locator_us-gaap_CommonClassBMember_1318" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1305" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1306" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1305" xlink:to="Locator_us-gaap_StatementLineItems_1306" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1257" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueOfCostMethodInvestment" xlink:label="Locator_cmcsa_FairValueOfCostMethodInvestment_1258" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1257" xlink:to="Locator_cmcsa_FairValueOfCostMethodInvestment_1258" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1259" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PreferredStockAggregateRedemptionValue" xlink:label="Locator_cmcsa_PreferredStockAggregateRedemptionValue_1260" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1259" xlink:to="Locator_cmcsa_PreferredStockAggregateRedemptionValue_1260" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1263" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CarryingAmountOfRedeemablePreferredStock" xlink:label="Locator_cmcsa_CarryingAmountOfRedeemablePreferredStock_1264" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1263" xlink:to="Locator_cmcsa_CarryingAmountOfRedeemablePreferredStock_1264" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1265" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueAmountOfRedeemablePreferredStock" xlink:label="Locator_cmcsa_FairValueAmountOfRedeemablePreferredStock_1266" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1265" xlink:to="Locator_cmcsa_FairValueAmountOfRedeemablePreferredStock_1266" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1267" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NonredeemablePreferredStock" xlink:label="Locator_cmcsa_NonredeemablePreferredStock_1268" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1267" xlink:to="Locator_cmcsa_NonredeemablePreferredStock_1268" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1261" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_1262" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1261" xlink:to="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_1262" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1309" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1310" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1309" xlink:to="Locator_dei_LegalEntityAxis_1310" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1319" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1320" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1319" xlink:to="Locator_dei_EntityDomain_1320" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1321" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_1322" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1321" xlink:to="Locator_us-gaap_ParentCompanyMember_1322" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_1325" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AirTouchMember" xlink:label="Locator_cmcsa_AirTouchMember_1326" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ParentCompanyMember_1325" xlink:to="Locator_cmcsa_AirTouchMember_1326" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1323" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PreferredSharesRedeemableInApril2020Member" xlink:label="Locator_cmcsa_PreferredSharesRedeemableInApril2020Member_1324" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1323" xlink:to="Locator_cmcsa_PreferredSharesRedeemableInApril2020Member_1324" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_1271" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1272" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_1271" xlink:to="Locator_us-gaap_StatementTable_1272" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePropertyAndEquipmentDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1385" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1386" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1385" xlink:to="Locator_us-gaap_StatementLineItems_1386" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1329" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_WeightedAverageOriginalUsefulLife" xlink:label="Locator_cmcsa_WeightedAverageOriginalUsefulLife_1330" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1329" xlink:to="Locator_cmcsa_WeightedAverageOriginalUsefulLife_1330" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1331" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableDistributionSystems" xlink:label="Locator_cmcsa_CableDistributionSystems_1332" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1331" xlink:to="Locator_cmcsa_CableDistributionSystems_1332" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1333" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CustomerPremisesEquipment" xlink:label="Locator_cmcsa_CustomerPremisesEquipment_1334" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1333" xlink:to="Locator_cmcsa_CustomerPremisesEquipment_1334" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1335" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VehiclesAndOtherEquipment" xlink:label="Locator_cmcsa_VehiclesAndOtherEquipment_1336" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1335" xlink:to="Locator_cmcsa_VehiclesAndOtherEquipment_1336" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1337" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="Locator_us-gaap_BuildingsAndImprovementsGross_1338" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1337" xlink:to="Locator_us-gaap_BuildingsAndImprovementsGross_1338" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1339" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Land" xlink:label="Locator_us-gaap_Land_1340" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1339" xlink:to="Locator_us-gaap_Land_1340" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1341" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentGross_1342" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1341" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentGross_1342" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1343" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="Locator_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1344" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1343" xlink:to="Locator_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_1344" order="8.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1345" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentNet_1346" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1345" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentNet_1346" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1387" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1388" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1387" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1388" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1389" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1390" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentByTypeAxis_1389" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1390" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1391" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableDistributionSystemMember" xlink:label="Locator_cmcsa_CableDistributionSystemMember_1392" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1391" xlink:to="Locator_cmcsa_CableDistributionSystemMember_1392" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1393" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CustomerPremisesEquipmentMember" xlink:label="Locator_cmcsa_CustomerPremisesEquipmentMember_1394" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1393" xlink:to="Locator_cmcsa_CustomerPremisesEquipmentMember_1394" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1395" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VehiclesAndOtherEquipmentMember" xlink:label="Locator_cmcsa_VehiclesAndOtherEquipmentMember_1396" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1395" xlink:to="Locator_cmcsa_VehiclesAndOtherEquipmentMember_1396" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1397" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="Locator_us-gaap_BuildingAndBuildingImprovementsMember_1398" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentTypeDomain_1397" xlink:to="Locator_us-gaap_BuildingAndBuildingImprovementsMember_1398" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_1349" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1350" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_1349" xlink:to="Locator_us-gaap_StatementTable_1350" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsCarryingAmountOfGoodwillDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1445" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1446" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1445" xlink:to="Locator_us-gaap_StatementLineItems_1446" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1403" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="Locator_us-gaap_GoodwillAcquiredDuringPeriod_1404" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1403" xlink:to="Locator_us-gaap_GoodwillAcquiredDuringPeriod_1404" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1405" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:label="Locator_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_1406" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1405" xlink:to="Locator_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_1406" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1409" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillSettlementsAndAdjustments" xlink:label="Locator_cmcsa_GoodwillSettlementsAndAdjustments_1410" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1409" xlink:to="Locator_cmcsa_GoodwillSettlementsAndAdjustments_1410" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1407" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="Locator_us-gaap_GoodwillImpairmentLoss_1408" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1407" xlink:to="Locator_us-gaap_GoodwillImpairmentLoss_1408" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1401" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Locator_us-gaap_Goodwill_1402" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1401" xlink:to="Locator_us-gaap_Goodwill_1402" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1411" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Locator_us-gaap_Goodwill_1412" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1411" xlink:to="Locator_us-gaap_Goodwill_1412" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1447" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_1448" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1447" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_1448" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_1463" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1464" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_1463" xlink:to="Locator_us-gaap_SegmentDomain_1464" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1461" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_1462" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1461" xlink:to="Locator_cmcsa_UniversalOrlandoMember_1462" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1453" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BroadcastTelevisionMember" xlink:label="Locator_cmcsa_BroadcastTelevisionMember_1454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1453" xlink:to="Locator_cmcsa_BroadcastTelevisionMember_1454" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1455" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmedEntertainmentMember" xlink:label="Locator_cmcsa_FilmedEntertainmentMember_1456" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1455" xlink:to="Locator_cmcsa_FilmedEntertainmentMember_1456" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1457" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ThemeParksMember" xlink:label="Locator_cmcsa_ThemeParksMember_1458" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1457" xlink:to="Locator_cmcsa_ThemeParksMember_1458" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1449" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsMember" xlink:label="Locator_cmcsa_CableCommunicationsMember_1450" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1449" xlink:to="Locator_cmcsa_CableCommunicationsMember_1450" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1451" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableNetworksMember" xlink:label="Locator_cmcsa_CableNetworksMember_1452" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1451" xlink:to="Locator_cmcsa_CableNetworksMember_1452" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_1459" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CorporateAndOtherMember" xlink:label="Locator_cmcsa_CorporateAndOtherMember_1460" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_1459" xlink:to="Locator_cmcsa_CorporateAndOtherMember_1460" order="5.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_1415" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1416" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_1415" xlink:to="Locator_us-gaap_StatementTable_1416" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1527" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1527" xlink:to="Locator_us-gaap_StatementLineItems_1528" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1469" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMinimum" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMinimum_1470" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1469" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMinimum_1470" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1471" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMaximum" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMaximum_1472" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1471" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsUsefulLifeMaximum_1472" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1473" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsGross_1474" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1473" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsGross_1474" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1475" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_1476" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1475" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_1476" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1477" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssets" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssets_1478" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1477" xlink:to="Locator_us-gaap_IndefiniteLivedIntangibleAssets_1478" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1479" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IntangibleAssetsGross" xlink:label="Locator_cmcsa_IntangibleAssetsGross_1480" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1479" xlink:to="Locator_cmcsa_IntangibleAssetsGross_1480" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1529" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1530" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1533" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_1533" xlink:to="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1534" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="Locator_us-gaap_CustomerRelationshipsMember_1536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1535" xlink:to="Locator_us-gaap_CustomerRelationshipsMember_1536" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1537" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DistributionRightsMember" xlink:label="Locator_us-gaap_DistributionRightsMember_1538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1537" xlink:to="Locator_us-gaap_DistributionRightsMember_1538" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1539" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableFranchiseRenewalCostsAndContractualOperatingRightsMember" xlink:label="Locator_cmcsa_CableFranchiseRenewalCostsAndContractualOperatingRightsMember_1540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1539" xlink:to="Locator_cmcsa_CableFranchiseRenewalCostsAndContractualOperatingRightsMember_1540" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1541" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SoftwareMember" xlink:label="Locator_us-gaap_SoftwareMember_1542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1541" xlink:to="Locator_us-gaap_SoftwareMember_1542" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1543" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PatentsAndOtherTechnologyRightsMember" xlink:label="Locator_cmcsa_PatentsAndOtherTechnologyRightsMember_1544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1543" xlink:to="Locator_cmcsa_PatentsAndOtherTechnologyRightsMember_1544" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1545" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAgreementsAndRightsMember" xlink:label="Locator_cmcsa_ProgrammingAgreementsAndRightsMember_1546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1545" xlink:to="Locator_cmcsa_ProgrammingAgreementsAndRightsMember_1546" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1547" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherAgreementsAndRightsMember" xlink:label="Locator_cmcsa_OtherAgreementsAndRightsMember_1548" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1547" xlink:to="Locator_cmcsa_OtherAgreementsAndRightsMember_1548" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_1532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1531" xlink:to="Locator_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_1532" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_1549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1550" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_1549" xlink:to="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1550" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1551" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="Locator_us-gaap_TradeNamesMember_1552" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1551" xlink:to="Locator_us-gaap_TradeNamesMember_1552" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1553" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FederalCommunicationsCommissionLicensesMember" xlink:label="Locator_cmcsa_FederalCommunicationsCommissionLicensesMember_1554" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1553" xlink:to="Locator_cmcsa_FederalCommunicationsCommissionLicensesMember_1554" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_1483" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1484" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_1483" xlink:to="Locator_us-gaap_StatementTable_1484" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1671" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1671" xlink:to="Locator_us-gaap_StatementLineItems_1672" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1559" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="Locator_us-gaap_LineOfCreditFacilityAmountOutstanding_1560" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1559" xlink:to="Locator_us-gaap_LineOfCreditFacilityAmountOutstanding_1560" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1561" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeniorNotes" xlink:label="Locator_us-gaap_SeniorNotes_1562" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1561" xlink:to="Locator_us-gaap_SeniorNotes_1562" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1563" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SubordinatedDebt" xlink:label="Locator_us-gaap_SubordinatedDebt_1564" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1563" xlink:to="Locator_us-gaap_SubordinatedDebt_1564" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1565" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherBorrowings" xlink:label="Locator_us-gaap_OtherBorrowings_1566" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1565" xlink:to="Locator_us-gaap_OtherBorrowings_1566" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1567" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="Locator_us-gaap_DebtAndCapitalLeaseObligations_1568" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1567" xlink:to="Locator_us-gaap_DebtAndCapitalLeaseObligations_1568" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1573" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtWeightedAverage" xlink:label="Locator_cmcsa_DebtWeightedAverage_1574" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1573" xlink:to="Locator_cmcsa_DebtWeightedAverage_1574" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1575" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="Locator_us-gaap_LongTermDebtFairValue_1576" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1575" xlink:to="Locator_us-gaap_LongTermDebtFairValue_1576" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1577" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPayableCurrentAndNoncurrent" xlink:label="Locator_us-gaap_InterestPayableCurrentAndNoncurrent_1578" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1577" xlink:to="Locator_us-gaap_InterestPayableCurrentAndNoncurrent_1578" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1581" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtIssuanceOfAcquiredCompanyPriorToCloseOfTransaction" xlink:label="Locator_cmcsa_DebtIssuanceOfAcquiredCompanyPriorToCloseOfTransaction_1582" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1581" xlink:to="Locator_cmcsa_DebtIssuanceOfAcquiredCompanyPriorToCloseOfTransaction_1582" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1583" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AggregatePrincipalAmountOfNotesOutstandingAfterRedemption" xlink:label="Locator_cmcsa_AggregatePrincipalAmountOfNotesOutstandingAfterRedemption_1584" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1583" xlink:to="Locator_cmcsa_AggregatePrincipalAmountOfNotesOutstandingAfterRedemption_1584" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1557" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="Locator_us-gaap_DebtInstrumentFaceAmount_1558" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1557" xlink:to="Locator_us-gaap_DebtInstrumentFaceAmount_1558" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1585" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="Locator_us-gaap_RepaymentsOfOtherDebt_1586" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1585" xlink:to="Locator_us-gaap_RepaymentsOfOtherDebt_1586" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1555" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="Locator_us-gaap_LineOfCreditFacilityInterestRateDescription_1556" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1555" xlink:to="Locator_us-gaap_LineOfCreditFacilityInterestRateDescription_1556" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1569" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="Locator_us-gaap_DebtCurrent_1570" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1569" xlink:to="Locator_us-gaap_DebtCurrent_1570" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1571" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_1572" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1571" xlink:to="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_1572" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1587" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1588" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1587" xlink:to="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1588" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1579" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="Locator_us-gaap_DebtInstrumentMaturityDateDescription_1580" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1579" xlink:to="Locator_us-gaap_DebtInstrumentMaturityDateDescription_1580" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1675" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1676" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1675" xlink:to="Locator_dei_LegalEntityAxis_1676" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1711" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1712" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1711" xlink:to="Locator_dei_EntityDomain_1712" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1713" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_1714" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1713" xlink:to="Locator_cmcsa_NbcuniversalMember_1714" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1715" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_1716" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1715" xlink:to="Locator_cmcsa_UniversalOrlandoMember_1716" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1673" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1674" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1673" xlink:to="Locator_us-gaap_DebtInstrumentAxis_1674" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1677" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1678" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_1677" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_1678" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1709" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoTermLoanMember" xlink:label="Locator_cmcsa_UniversalOrlandoTermLoanMember_1710" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1709" xlink:to="Locator_cmcsa_UniversalOrlandoTermLoanMember_1710" order="15.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1703" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorSubordinated10875NotesDue2016Member" xlink:label="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_1704" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1703" xlink:to="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_1704" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1701" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Senior8875NotesDue2015Member" xlink:label="Locator_cmcsa_Senior8875NotesDue2015Member_1702" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1701" xlink:to="Locator_cmcsa_Senior8875NotesDue2015Member_1702" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1695" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherIncludingCapitalLeaseObligationsMember" xlink:label="Locator_cmcsa_OtherIncludingCapitalLeaseObligationsMember_1696" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1695" xlink:to="Locator_cmcsa_OtherIncludingCapitalLeaseObligationsMember_1696" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1699" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes550Due2029Member" xlink:label="Locator_cmcsa_Notes550Due2029Member_1700" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1699" xlink:to="Locator_cmcsa_Notes550Due2029Member_1700" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1705" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinimumMember" xlink:label="Locator_us-gaap_MinimumMember_1706" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1705" xlink:to="Locator_us-gaap_MinimumMember_1706" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1707" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="Locator_us-gaap_MaximumMember_1708" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1707" xlink:to="Locator_us-gaap_MaximumMember_1708" order="14.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1685" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember_1686" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1685" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember_1686" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1687" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember_1688" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1687" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember_1688" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1689" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember_1690" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1689" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember_1690" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1691" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorSubordinatedNotesDue2012Member" xlink:label="Locator_cmcsa_SeniorSubordinatedNotesDue2012Member_1692" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1691" xlink:to="Locator_cmcsa_SeniorSubordinatedNotesDue2012Member_1692" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1697" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ZonesDue2029Member" xlink:label="Locator_cmcsa_ZonesDue2029Member_1698" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1697" xlink:to="Locator_cmcsa_ZonesDue2029Member_1698" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1693" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="Locator_us-gaap_CommercialPaperMember_1694" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1693" xlink:to="Locator_us-gaap_CommercialPaperMember_1694" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1683" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RevolvingBankCreditFacilityMember" xlink:label="Locator_cmcsa_RevolvingBankCreditFacilityMember_1684" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1683" xlink:to="Locator_cmcsa_RevolvingBankCreditFacilityMember_1684" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1679" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1680" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1679" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1680" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1681" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1682" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1681" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1682" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_1591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1592" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_1591" xlink:to="Locator_us-gaap_StatementTable_1592" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtDebtMaturitiesDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1777" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1778" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1777" xlink:to="Locator_us-gaap_StatementLineItems_1778" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1717" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_1718" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1717" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_1718" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1719" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1720" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1719" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_1720" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1721" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1722" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1721" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1722" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1723" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1724" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1723" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_1724" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1725" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_1726" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1725" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_1726" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1727" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1728" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1727" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_1728" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1779" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1780" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1779" xlink:to="Locator_us-gaap_DebtInstrumentAxis_1780" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1783" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1784" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_1783" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_1784" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1791" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember_1792" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1791" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesOf5YearsOrLessMember_1792" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1793" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember_1794" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1793" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesBetween6And10YearsMember_1794" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1795" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember" xlink:label="Locator_cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember_1796" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1795" xlink:to="Locator_cmcsa_SeniorNotesWithMaturitiesGreaterThan10YearsMember_1796" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1797" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorSubordinatedNotesDue2012Member" xlink:label="Locator_cmcsa_SeniorSubordinatedNotesDue2012Member_1798" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1797" xlink:to="Locator_cmcsa_SeniorSubordinatedNotesDue2012Member_1798" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1799" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ZonesDue2029Member" xlink:label="Locator_cmcsa_ZonesDue2029Member_1800" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1799" xlink:to="Locator_cmcsa_ZonesDue2029Member_1800" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1789" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RevolvingBankCreditFacilityMember" xlink:label="Locator_cmcsa_RevolvingBankCreditFacilityMember_1790" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1789" xlink:to="Locator_cmcsa_RevolvingBankCreditFacilityMember_1790" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1785" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1786" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1785" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1786" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1787" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1788" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1787" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1788" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1781" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1782" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1781" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1782" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1801" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1802" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1801" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1802" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1803" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1804" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1803" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1804" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1805" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_1806" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1805" xlink:to="Locator_us-gaap_DerivativeMember_1806" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_1807" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_1808" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_1807" xlink:to="Locator_us-gaap_SwapMember_1808" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_1809" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_1810" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_1809" xlink:to="Locator_us-gaap_InterestRateSwapMember_1810" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_1731" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1732" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_1731" xlink:to="Locator_us-gaap_StatementTable_1732" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtDebtBorrowingsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1855" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1856" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1855" xlink:to="Locator_us-gaap_StatementLineItems_1856" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1817" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="Locator_us-gaap_DebtInstrumentFaceAmount_1818" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1817" xlink:to="Locator_us-gaap_DebtInstrumentFaceAmount_1818" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1813" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1814" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1813" xlink:to="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1814" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1815" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="Locator_us-gaap_DebtInstrumentMaturityDateDescription_1816" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1815" xlink:to="Locator_us-gaap_DebtInstrumentMaturityDateDescription_1816" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1811" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherDebt" xlink:label="Locator_us-gaap_ProceedsFromOtherDebt_1812" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1811" xlink:to="Locator_us-gaap_ProceedsFromOtherDebt_1812" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1857" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1858" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1857" xlink:to="Locator_us-gaap_DebtInstrumentAxis_1858" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1861" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1862" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_1861" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_1862" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1863" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1864" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1863" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_1864" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1865" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1866" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1865" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_1866" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1867" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf550NotesDue2029Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf550NotesDue2029Member_1868" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1867" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf550NotesDue2029Member_1868" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1869" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherLongTermDebtMember" xlink:label="Locator_cmcsa_OtherLongTermDebtMember_1870" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1869" xlink:to="Locator_cmcsa_OtherLongTermDebtMember_1870" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1859" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1860" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1859" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1860" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1871" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1872" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1871" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1872" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1873" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1874" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_1873" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1874" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1875" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_1876" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_1875" xlink:to="Locator_us-gaap_DerivativeMember_1876" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_1877" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_1878" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_1877" xlink:to="Locator_us-gaap_SwapMember_1878" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_1879" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_1880" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_1879" xlink:to="Locator_us-gaap_InterestRateSwapMember_1880" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_1821" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1822" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_1821" xlink:to="Locator_us-gaap_StatementTable_1822" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtDebtRepaymentsAndRepurchasesDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1917" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1918" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1917" xlink:to="Locator_us-gaap_StatementLineItems_1918" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1881" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="Locator_us-gaap_RepaymentsOfOtherDebt_1882" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1881" xlink:to="Locator_us-gaap_RepaymentsOfOtherDebt_1882" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1883" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1883" xlink:to="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_1884" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1921" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1922" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1921" xlink:to="Locator_dei_LegalEntityAxis_1922" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1939" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1940" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_1939" xlink:to="Locator_dei_EntityDomain_1940" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_1941" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_1942" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_1941" xlink:to="Locator_cmcsa_UniversalOrlandoMember_1942" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1919" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1920" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1919" xlink:to="Locator_us-gaap_DebtInstrumentAxis_1920" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1923" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1924" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_1923" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_1924" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1929" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoTermLoanMember" xlink:label="Locator_cmcsa_UniversalOrlandoTermLoanMember_1930" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1929" xlink:to="Locator_cmcsa_UniversalOrlandoTermLoanMember_1930" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1933" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SeniorSubordinated10875NotesDue2016Member" xlink:label="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_1934" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1933" xlink:to="Locator_cmcsa_SeniorSubordinated10875NotesDue2016Member_1934" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1935" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Senior8875NotesDue2015Member" xlink:label="Locator_cmcsa_Senior8875NotesDue2015Member_1936" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1935" xlink:to="Locator_cmcsa_Senior8875NotesDue2015Member_1936" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1937" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherLongTermDebtMember" xlink:label="Locator_cmcsa_OtherLongTermDebtMember_1938" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1937" xlink:to="Locator_cmcsa_OtherLongTermDebtMember_1938" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1925" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes675Due2011Member" xlink:label="Locator_cmcsa_Notes675Due2011Member_1926" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1925" xlink:to="Locator_cmcsa_Notes675Due2011Member_1926" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1927" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes55Due2011Member" xlink:label="Locator_cmcsa_Notes55Due2011Member_1928" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1927" xlink:to="Locator_cmcsa_Notes55Due2011Member_1928" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1931" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes700Due2055Member" xlink:label="Locator_cmcsa_Notes700Due2055Member_1932" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1931" xlink:to="Locator_cmcsa_Notes700Due2055Member_1932" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_1887" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1888" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_1887" xlink:to="Locator_us-gaap_StatementTable_1888" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtCommercialPaperProgramDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1989" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1990" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1989" xlink:to="Locator_us-gaap_StatementLineItems_1990" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1943" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommercialPaperToBeIssuedAtAnyOneTimeMaximum" xlink:label="Locator_cmcsa_CommercialPaperToBeIssuedAtAnyOneTimeMaximum_1944" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1943" xlink:to="Locator_cmcsa_CommercialPaperToBeIssuedAtAnyOneTimeMaximum_1944" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_1945" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommercialPaper" xlink:label="Locator_us-gaap_CommercialPaper_1946" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_1945" xlink:to="Locator_us-gaap_CommercialPaper_1946" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1995" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_1996" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1995" xlink:to="Locator_dei_LegalEntityAxis_1996" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2021" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2022" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2021" xlink:to="Locator_dei_EntityDomain_2022" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2023" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_2024" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2023" xlink:to="Locator_cmcsa_NbcuniversalMember_2024" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1991" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1992" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1991" xlink:to="Locator_us-gaap_DebtInstrumentAxis_1992" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_1997" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1998" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_1997" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_1998" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2005" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ZonesDue2029Member" xlink:label="Locator_cmcsa_ZonesDue2029Member_2006" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2005" xlink:to="Locator_cmcsa_ZonesDue2029Member_2006" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2009" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="Locator_us-gaap_CommercialPaperMember_2010" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2009" xlink:to="Locator_us-gaap_CommercialPaperMember_2010" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_1999" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RevolvingBankCreditFacilityMember" xlink:label="Locator_cmcsa_RevolvingBankCreditFacilityMember_2000" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_1999" xlink:to="Locator_cmcsa_RevolvingBankCreditFacilityMember_2000" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2007" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherLongTermDebtMember" xlink:label="Locator_cmcsa_OtherLongTermDebtMember_2008" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2007" xlink:to="Locator_cmcsa_OtherLongTermDebtMember_2008" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2001" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes585Due2010Member" xlink:label="Locator_cmcsa_Notes585Due2010Member_2002" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2001" xlink:to="Locator_cmcsa_Notes585Due2010Member_2002" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2003" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Notes545Due2010Member" xlink:label="Locator_cmcsa_Notes545Due2010Member_2004" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2003" xlink:to="Locator_cmcsa_Notes545Due2010Member_2004" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1993" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1994" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_1993" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_1994" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2011" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2012" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2011" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2012" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2013" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2014" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2013" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2014" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2015" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2016" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2015" xlink:to="Locator_us-gaap_DerivativeMember_2016" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2017" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2018" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_2017" xlink:to="Locator_us-gaap_SwapMember_2018" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2019" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2020" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2019" xlink:to="Locator_us-gaap_InterestRateSwapMember_2020" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_1949" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_1950" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_1949" xlink:to="Locator_us-gaap_StatementTable_1950" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtRevolvingBankCreditFacilities">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2083" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2084" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2083" xlink:to="Locator_us-gaap_StatementLineItems_2084" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2029" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="Locator_us-gaap_LineOfCreditFacilityInterestRateDescription_2030" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2029" xlink:to="Locator_us-gaap_LineOfCreditFacilityInterestRateDescription_2030" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2027" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="Locator_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_2028" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2027" xlink:to="Locator_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_2028" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2031" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DescriptionOfVariableRateDebtBasis" xlink:label="Locator_cmcsa_DescriptionOfVariableRateDebtBasis_2032" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2031" xlink:to="Locator_cmcsa_DescriptionOfVariableRateDebtBasis_2032" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2033" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="Locator_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2034" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2033" xlink:to="Locator_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2034" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2091" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2092" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2091" xlink:to="Locator_dei_LegalEntityAxis_2092" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2117" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2118" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2117" xlink:to="Locator_dei_EntityDomain_2118" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2119" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_2120" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2119" xlink:to="Locator_cmcsa_NbcuniversalMember_2120" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2087" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_2088" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2087" xlink:to="Locator_us-gaap_DebtInstrumentAxis_2088" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_2099" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2100" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_2099" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_2100" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2101" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RevolvingBankCreditFacilityMember" xlink:label="Locator_cmcsa_RevolvingBankCreditFacilityMember_2102" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2101" xlink:to="Locator_cmcsa_RevolvingBankCreditFacilityMember_2102" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2103" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="Locator_us-gaap_LineOfCreditMember_2104" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2103" xlink:to="Locator_us-gaap_LineOfCreditMember_2104" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_2105" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember" xlink:label="Locator_us-gaap_FinancialStandbyLetterOfCreditMember_2106" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_2105" xlink:to="Locator_us-gaap_FinancialStandbyLetterOfCreditMember_2106" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2089" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2090" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2089" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2090" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2107" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2108" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2107" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2108" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2109" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2110" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2109" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2110" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2111" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2112" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2111" xlink:to="Locator_us-gaap_DerivativeMember_2112" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2113" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2114" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_2113" xlink:to="Locator_us-gaap_SwapMember_2114" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2115" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2116" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2115" xlink:to="Locator_us-gaap_InterestRateSwapMember_2116" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2085" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="Locator_us-gaap_LineOfCreditFacilityAxis_2086" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2085" xlink:to="Locator_us-gaap_LineOfCreditFacilityAxis_2086" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="Locator_us-gaap_LineOfCreditFacilityAxis_2093" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2094" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LineOfCreditFacilityAxis_2093" xlink:to="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2094" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2095" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RevolvingFacilityMember" xlink:label="Locator_cmcsa_RevolvingFacilityMember_2096" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2095" xlink:to="Locator_cmcsa_RevolvingFacilityMember_2096" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2097" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BaseRateMember" xlink:label="Locator_cmcsa_BaseRateMember_2098" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LineOfCreditFacilityLenderDomain_2097" xlink:to="Locator_cmcsa_BaseRateMember_2098" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_2037" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2038" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_2037" xlink:to="Locator_us-gaap_StatementTable_2038" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2181" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2182" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2181" xlink:to="Locator_dei_LegalEntityAxis_2182" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2211" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2212" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2211" xlink:to="Locator_dei_EntityDomain_2212" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2209" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_2210" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2209" xlink:to="Locator_cmcsa_NbcuniversalMember_2210" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2177" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2178" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2177" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2178" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2183" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2184" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2183" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2184" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2185" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2186" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2185" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2186" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2187" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2188" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2187" xlink:to="Locator_us-gaap_DerivativeMember_2188" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2189" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2190" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_2189" xlink:to="Locator_us-gaap_SwapMember_2190" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2191" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2192" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2191" xlink:to="Locator_us-gaap_InterestRateSwapMember_2192" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2197" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleAgreementDerivativeMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleAgreementDerivativeMember_2198" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2197" xlink:to="Locator_cmcsa_PrepaidForwardSaleAgreementDerivativeMember_2198" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2193" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember" xlink:label="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2194" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2193" xlink:to="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2194" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2195" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2196" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2195" xlink:to="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2196" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2179" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2180" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2179" xlink:to="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2180" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2199" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2200" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2199" xlink:to="Locator_us-gaap_HedgingRelationshipDomain_2200" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2203" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueHedgeTerminationProvisionMember" xlink:label="Locator_cmcsa_FairValueHedgeTerminationProvisionMember_2204" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2203" xlink:to="Locator_cmcsa_FairValueHedgeTerminationProvisionMember_2204" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2201" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="Locator_us-gaap_FairValueHedgingMember_2202" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2201" xlink:to="Locator_us-gaap_FairValueHedgingMember_2202" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2205" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DesignatedPrepaidForwardSaleAgreementsMember" xlink:label="Locator_cmcsa_DesignatedPrepaidForwardSaleAgreementsMember_2206" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2205" xlink:to="Locator_cmcsa_DesignatedPrepaidForwardSaleAgreementsMember_2206" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2207" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="Locator_us-gaap_NondesignatedMember_2208" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2207" xlink:to="Locator_us-gaap_NondesignatedMember_2208" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2175" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2176" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2175" xlink:to="Locator_us-gaap_DerivativeLineItems_2176" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2123" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AccruedSwapInterest" xlink:label="Locator_cmcsa_AccruedSwapInterest_2124" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2123" xlink:to="Locator_cmcsa_AccruedSwapInterest_2124" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2125" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones" xlink:label="Locator_cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones_2126" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2125" xlink:to="Locator_cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones_2126" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2127" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="Locator_invest_DerivativeNotionalAmount_2128" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2127" xlink:to="Locator_invest_DerivativeNotionalAmount_2128" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2131" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2132" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2131" xlink:to="Locator_us-gaap_StatementTable_2132" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeFairValueHedgesRecognizedDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2259" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2260" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2259" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2260" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2263" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2264" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2263" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2264" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2265" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2266" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2265" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2266" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2267" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2268" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2267" xlink:to="Locator_us-gaap_DerivativeMember_2268" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2269" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2270" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_2269" xlink:to="Locator_us-gaap_SwapMember_2270" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2271" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2272" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2271" xlink:to="Locator_us-gaap_InterestRateSwapMember_2272" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2277" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleAgreementDerivativeMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleAgreementDerivativeMember_2278" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2277" xlink:to="Locator_cmcsa_PrepaidForwardSaleAgreementDerivativeMember_2278" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2273" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember" xlink:label="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2274" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2273" xlink:to="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2274" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2275" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2276" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2275" xlink:to="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2276" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2261" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2262" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2261" xlink:to="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2262" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2279" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2280" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2279" xlink:to="Locator_us-gaap_HedgingRelationshipDomain_2280" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2281" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueHedgingMember" xlink:label="Locator_us-gaap_FairValueHedgingMember_2282" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2281" xlink:to="Locator_us-gaap_FairValueHedgingMember_2282" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2283" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DesignatedPrepaidForwardSaleAgreementsMember" xlink:label="Locator_cmcsa_DesignatedPrepaidForwardSaleAgreementsMember_2284" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2283" xlink:to="Locator_cmcsa_DesignatedPrepaidForwardSaleAgreementsMember_2284" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2285" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="Locator_us-gaap_NondesignatedMember_2286" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2285" xlink:to="Locator_us-gaap_NondesignatedMember_2286" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2257" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2258" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2257" xlink:to="Locator_us-gaap_DerivativeLineItems_2258" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2213" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments" xlink:label="Locator_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments_2214" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2213" xlink:to="Locator_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments_2214" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2215" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge" xlink:label="Locator_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge_2216" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2215" xlink:to="Locator_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge_2216" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2217" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings" xlink:label="Locator_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_2218" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2217" xlink:to="Locator_us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings_2218" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2221" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2222" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2221" xlink:to="Locator_us-gaap_StatementTable_2222" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsPretaxAmountOfGainLossRecognizedInAccumulatedOtherComprehensiveIncomeCashFlowHedgesDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2337" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2338" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2337" xlink:to="Locator_us-gaap_DerivativeLineItems_2338" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2289" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss" xlink:label="Locator_us-gaap_UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss_2290" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2289" xlink:to="Locator_us-gaap_UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss_2290" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2291" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax" xlink:label="Locator_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_2292" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2291" xlink:to="Locator_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_2292" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2293" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TotalGainLossRecognizedInAccumulatedOtherComprehensiveIncome" xlink:label="Locator_cmcsa_TotalGainLossRecognizedInAccumulatedOtherComprehensiveIncome_2294" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2293" xlink:to="Locator_cmcsa_TotalGainLossRecognizedInAccumulatedOtherComprehensiveIncome_2294" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2295" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet" xlink:label="Locator_us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet_2296" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2295" xlink:to="Locator_us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet_2296" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2297" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet" xlink:label="Locator_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_2298" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2297" xlink:to="Locator_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_2298" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2299" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GainLossReclassifiedToEarnings" xlink:label="Locator_cmcsa_GainLossReclassifiedToEarnings_2300" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2299" xlink:to="Locator_cmcsa_GainLossReclassifiedToEarnings_2300" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2301" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowHedgeGainLossReclassifiedToEarningsNet" xlink:label="Locator_us-gaap_CashFlowHedgeGainLossReclassifiedToEarningsNet_2302" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2301" xlink:to="Locator_us-gaap_CashFlowHedgeGainLossReclassifiedToEarningsNet_2302" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2303" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TotalChangeInAccumulatedOtherComprehensiveIncome" xlink:label="Locator_cmcsa_TotalChangeInAccumulatedOtherComprehensiveIncome_2304" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2303" xlink:to="Locator_cmcsa_TotalChangeInAccumulatedOtherComprehensiveIncome_2304" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2305" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet" xlink:label="Locator_us-gaap_GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_2306" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2305" xlink:to="Locator_us-gaap_GainLossOnDiscontinuationOfInterestRateCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet_2306" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2339" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeAxis" xlink:label="Locator_us-gaap_TradingActivityByTypeAxis_2340" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2339" xlink:to="Locator_us-gaap_TradingActivityByTypeAxis_2340" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeAxis" xlink:label="Locator_us-gaap_TradingActivityByTypeAxis_2341" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeDomain" xlink:label="Locator_us-gaap_TradingActivityByTypeDomain_2342" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingActivityByTypeAxis_2341" xlink:to="Locator_us-gaap_TradingActivityByTypeDomain_2342" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeDomain" xlink:label="Locator_us-gaap_TradingActivityByTypeDomain_2343" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ForeignExchangeRiskMember" xlink:label="Locator_cmcsa_ForeignExchangeRiskMember_2344" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingActivityByTypeDomain_2343" xlink:to="Locator_cmcsa_ForeignExchangeRiskMember_2344" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingActivityByTypeDomain" xlink:label="Locator_us-gaap_TradingActivityByTypeDomain_2345" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateRiskMember" xlink:label="Locator_us-gaap_InterestRateRiskMember_2346" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingActivityByTypeDomain_2345" xlink:to="Locator_us-gaap_InterestRateRiskMember_2346" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2309" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2310" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2309" xlink:to="Locator_us-gaap_StatementTable_2310" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsAmountOfGainLossRecognizedInIncomeNondesignatedDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2397" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2398" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2397" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2398" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2411" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2412" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_2411" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2412" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2413" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2414" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_2413" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2414" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2415" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2416" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_2415" xlink:to="Locator_us-gaap_DerivativeMember_2416" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_2417" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2418" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_2417" xlink:to="Locator_us-gaap_SwapMember_2418" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2419" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2420" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2419" xlink:to="Locator_us-gaap_InterestRateSwapMember_2420" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2421" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember" xlink:label="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2422" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2421" xlink:to="Locator_cmcsa_InterestRateSwapAgreementsLongTermDebtPortionMember_2422" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_2423" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember" xlink:label="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2424" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_2423" xlink:to="Locator_cmcsa_PrepaidForwardSaleAgreementsSecuritiesMember_2424" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2395" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2396" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2395" xlink:to="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2396" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2399" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2400" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_2399" xlink:to="Locator_us-gaap_HedgingRelationshipDomain_2400" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2407" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="Locator_us-gaap_NondesignatedMember_2408" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2407" xlink:to="Locator_us-gaap_NondesignatedMember_2408" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2401" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NondesignatedPrepaidForwardSaleAgreementsMember" xlink:label="Locator_cmcsa_NondesignatedPrepaidForwardSaleAgreementsMember_2402" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2401" xlink:to="Locator_cmcsa_NondesignatedPrepaidForwardSaleAgreementsMember_2402" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2403" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ZonesMember" xlink:label="Locator_cmcsa_ZonesMember_2404" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2403" xlink:to="Locator_cmcsa_ZonesMember_2404" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2405" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateCollarMember" xlink:label="Locator_cmcsa_InterestRateCollarMember_2406" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2405" xlink:to="Locator_cmcsa_InterestRateCollarMember_2406" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="Locator_us-gaap_HedgingRelationshipDomain_2409" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ForeignExchangeContractsMember" xlink:label="Locator_cmcsa_ForeignExchangeContractsMember_2410" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_HedgingRelationshipDomain_2409" xlink:to="Locator_cmcsa_ForeignExchangeContractsMember_2410" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2393" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2394" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2393" xlink:to="Locator_us-gaap_DerivativeLineItems_2394" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2347" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="Locator_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_2348" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2347" xlink:to="Locator_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_2348" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2349" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UnrealizedGainsLossesOnSecuritiesUnderlyingPrepaidForwardSaleAgreements" xlink:label="Locator_cmcsa_UnrealizedGainsLossesOnSecuritiesUnderlyingPrepaidForwardSaleAgreements_2350" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2349" xlink:to="Locator_cmcsa_UnrealizedGainsLossesOnSecuritiesUnderlyingPrepaidForwardSaleAgreements_2350" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_2351" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="Locator_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_2352" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_2351" xlink:to="Locator_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_2352" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2355" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2356" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2355" xlink:to="Locator_us-gaap_StatementTable_2356" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFairValueMeasurementsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2511" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2512" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2511" xlink:to="Locator_us-gaap_StatementLineItems_2512" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2447" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_2448" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2447" xlink:to="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_2448" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2455" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="Locator_us-gaap_GoodwillImpairmentLoss_2456" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2455" xlink:to="Locator_us-gaap_GoodwillImpairmentLoss_2456" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2433" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingSecuritiesFairValueDisclosure" xlink:label="Locator_us-gaap_TradingSecuritiesFairValueDisclosure_2434" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2433" xlink:to="Locator_us-gaap_TradingSecuritiesFairValueDisclosure_2434" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2435" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="Locator_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure_2436" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2435" xlink:to="Locator_us-gaap_AvailableForSaleSecuritiesFairValueDisclosure_2436" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2437" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityWarrantsFairValueDisclosure" xlink:label="Locator_cmcsa_EquityWarrantsFairValueDisclosure_2438" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2437" xlink:to="Locator_cmcsa_EquityWarrantsFairValueDisclosure_2438" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2439" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue" xlink:label="Locator_us-gaap_InterestRateDerivativeAssetsAtFairValue_2440" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2439" xlink:to="Locator_us-gaap_InterestRateDerivativeAssetsAtFairValue_2440" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2441" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyDerivativeAssetsAtFairValue" xlink:label="Locator_us-gaap_ForeignCurrencyDerivativeAssetsAtFairValue_2442" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2441" xlink:to="Locator_us-gaap_ForeignCurrencyDerivativeAssetsAtFairValue_2442" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2443" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueAssetsMeasuredOnRecurringBasisTotal" xlink:label="Locator_cmcsa_FairValueAssetsMeasuredOnRecurringBasisTotal_2444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2443" xlink:to="Locator_cmcsa_FairValueAssetsMeasuredOnRecurringBasisTotal_2444" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2445" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones" xlink:label="Locator_cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones_2446" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2445" xlink:to="Locator_cmcsa_DerivativeFairValueOfEmbeddedDerivativeLiabilityComponentOfPrepaidForwardSaleAgreementsAndZones_2446" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2451" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure" xlink:label="Locator_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2452" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2451" xlink:to="Locator_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_2452" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2453" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueLiabilitiesMeasuredOnRecurringBasis" xlink:label="Locator_cmcsa_FairValueLiabilitiesMeasuredOnRecurringBasis_2454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2453" xlink:to="Locator_cmcsa_FairValueLiabilitiesMeasuredOnRecurringBasis_2454" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2457" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="Locator_us-gaap_AssetImpairmentCharges_2458" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2457" xlink:to="Locator_us-gaap_AssetImpairmentCharges_2458" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2449" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations" xlink:label="Locator_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_2450" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2449" xlink:to="Locator_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_2450" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2513" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis" xlink:label="Locator_us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_2514" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2513" xlink:to="Locator_us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_2514" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis" xlink:label="Locator_us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_2517" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2518" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueOptionQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_2517" xlink:to="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2518" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2519" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_2520" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2519" xlink:to="Locator_us-gaap_InterestRateSwapMember_2520" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2521" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CrossCurrencySwapAgreementsMember" xlink:label="Locator_cmcsa_CrossCurrencySwapAgreementsMember_2522" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2521" xlink:to="Locator_cmcsa_CrossCurrencySwapAgreementsMember_2522" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2523" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ForeignExchangeContractsMember" xlink:label="Locator_cmcsa_ForeignExchangeContractsMember_2524" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2523" xlink:to="Locator_cmcsa_ForeignExchangeContractsMember_2524" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2525" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmProductionMember" xlink:label="Locator_cmcsa_FilmProductionMember_2526" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueOptionEligibleItemOrGroupDomain_2525" xlink:to="Locator_cmcsa_FilmProductionMember_2526" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2515" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="Locator_us-gaap_FairValueByFairValueHierarchyLevelAxis_2516" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2515" xlink:to="Locator_us-gaap_FairValueByFairValueHierarchyLevelAxis_2516" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="Locator_us-gaap_FairValueByFairValueHierarchyLevelAxis_2533" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueByFairValueHierarchyLevelAxis_2533" xlink:to="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2534" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2527" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="Locator_us-gaap_FairValueInputsLevel1Member_2528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2527" xlink:to="Locator_us-gaap_FairValueInputsLevel1Member_2528" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="Locator_us-gaap_FairValueInputsLevel2Member_2530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2529" xlink:to="Locator_us-gaap_FairValueInputsLevel2Member_2530" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="Locator_us-gaap_FairValueInputsLevel3Member_2532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_2531" xlink:to="Locator_us-gaap_FairValueInputsLevel3Member_2532" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMeasurementsAbstract" xlink:label="Locator_cmcsa_FairValueMeasurementsAbstract_2461" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2462" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FairValueMeasurementsAbstract_2461" xlink:to="Locator_us-gaap_StatementTable_2462" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureNoncontrollingInterestsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2575" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2576" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2575" xlink:to="Locator_us-gaap_StatementLineItems_2576" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2537" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterestRounded" xlink:label="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterestRounded_2538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2537" xlink:to="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterestRounded_2538" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2541" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncreaseInAdditionalPaidInCapitalFromIssuanceOfNoncontrollingEquityInterest" xlink:label="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalFromIssuanceOfNoncontrollingEquityInterest_2542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2541" xlink:to="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalFromIssuanceOfNoncontrollingEquityInterest_2542" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2543" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterest" xlink:label="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterest_2544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2543" xlink:to="Locator_cmcsa_IncreaseInAdditionalPaidInCapitalResultingFromPurchaseOfNoncontrollingInterest_2544" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2545" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ChangesFromNetIncomeAttributableToParent" xlink:label="Locator_cmcsa_ChangesFromNetIncomeAttributableToParent_2546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2545" xlink:to="Locator_cmcsa_ChangesFromNetIncomeAttributableToParent_2546" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_2536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2535" xlink:to="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_2536" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2539" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="Locator_us-gaap_NetIncomeLoss_2540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2539" xlink:to="Locator_us-gaap_NetIncomeLoss_2540" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2577" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2578" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2577" xlink:to="Locator_dei_LegalEntityAxis_2578" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2579" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2580" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2579" xlink:to="Locator_dei_EntityDomain_2580" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2581" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GeMember" xlink:label="Locator_cmcsa_GeMember_2582" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2581" xlink:to="Locator_cmcsa_GeMember_2582" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestsAbstract" xlink:label="Locator_cmcsa_NoncontrollingInterestsAbstract_2549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2550" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_NoncontrollingInterestsAbstract_2549" xlink:to="Locator_us-gaap_StatementTable_2550" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2627" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2628" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2627" xlink:to="Locator_us-gaap_StatementLineItems_2628" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2583" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:label="Locator_us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_2584" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2583" xlink:to="Locator_us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_2584" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2585" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="Locator_us-gaap_MultiemployerPlanPeriodContributions_2586" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2585" xlink:to="Locator_us-gaap_MultiemployerPlanPeriodContributions_2586" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2587" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashSurrenderValueOfLifeInsurance" xlink:label="Locator_us-gaap_CashSurrenderValueOfLifeInsurance_2588" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2587" xlink:to="Locator_us-gaap_CashSurrenderValueOfLifeInsurance_2588" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2589" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="Locator_us-gaap_DefinedContributionPlanCostRecognized_2590" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2589" xlink:to="Locator_us-gaap_DefinedContributionPlanCostRecognized_2590" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SeveranceCosts" xlink:label="Locator_us-gaap_SeveranceCosts_2592" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2591" xlink:to="Locator_us-gaap_SeveranceCosts_2592" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2631" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2632" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2631" xlink:to="Locator_dei_LegalEntityAxis_2632" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2645" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2646" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2645" xlink:to="Locator_dei_EntityDomain_2646" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2647" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_2648" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2647" xlink:to="Locator_cmcsa_NbcuniversalMember_2648" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2629" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2630" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2629" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2630" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2633" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2634" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2633" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_2634" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2635" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_2636" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2635" xlink:to="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_2636" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2641" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RetirementInvestmentPlansMember" xlink:label="Locator_cmcsa_RetirementInvestmentPlansMember_2642" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2641" xlink:to="Locator_cmcsa_RetirementInvestmentPlansMember_2642" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2643" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="Locator_us-gaap_EmployeeSeveranceMember_2644" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2643" xlink:to="Locator_us-gaap_EmployeeSeveranceMember_2644" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2639" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredCompensationPlansMember" xlink:label="Locator_cmcsa_DeferredCompensationPlansMember_2640" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2639" xlink:to="Locator_cmcsa_DeferredCompensationPlansMember_2640" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2637" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionMember" xlink:label="Locator_us-gaap_DefinedBenefitPensionMember_2638" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2637" xlink:to="Locator_us-gaap_DefinedBenefitPensionMember_2638" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2595" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2596" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2595" xlink:to="Locator_us-gaap_StatementTable_2596" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurFrozenPensionBenefitPlansDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2687" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2688" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2687" xlink:to="Locator_us-gaap_StatementLineItems_2688" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2649" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_2650" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2649" xlink:to="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_2650" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2651" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="Locator_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2652" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2651" xlink:to="Locator_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_2652" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2653" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="Locator_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_2654" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2653" xlink:to="Locator_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_2654" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2655" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBeforeAdoptionOfSFAS158RecognitionProvisionsNetTransitionObligationsAssetsNotYetRecognized" xlink:label="Locator_us-gaap_DefinedBenefitPlanBeforeAdoptionOfSFAS158RecognitionProvisionsNetTransitionObligationsAssetsNotYetRecognized_2656" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2655" xlink:to="Locator_us-gaap_DefinedBenefitPlanBeforeAdoptionOfSFAS158RecognitionProvisionsNetTransitionObligationsAssetsNotYetRecognized_2656" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2657" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitExpense_2658" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2657" xlink:to="Locator_us-gaap_PensionAndOtherPostretirementBenefitExpense_2658" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2659" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xlink:label="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_2660" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2659" xlink:to="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_2660" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2661" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_2662" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2661" xlink:to="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_2662" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2689" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2690" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2689" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2690" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2691" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2692" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2691" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_2692" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2693" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DefinedBenefitFrozenPensionMember" xlink:label="Locator_cmcsa_DefinedBenefitFrozenPensionMember_2694" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2693" xlink:to="Locator_cmcsa_DefinedBenefitFrozenPensionMember_2694" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2665" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2666" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2665" xlink:to="Locator_us-gaap_StatementTable_2666" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansDeferredCompensationPlansDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2719" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2720" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2719" xlink:to="Locator_us-gaap_StatementLineItems_2720" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2695" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredCompensationPlansBenefitObligation" xlink:label="Locator_cmcsa_DeferredCompensationPlansBenefitObligation_2696" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2695" xlink:to="Locator_cmcsa_DeferredCompensationPlansBenefitObligation_2696" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2697" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredCompensationPlansInterestCost" xlink:label="Locator_cmcsa_DeferredCompensationPlansInterestCost_2698" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2697" xlink:to="Locator_cmcsa_DeferredCompensationPlansInterestCost_2698" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2723" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2724" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2723" xlink:to="Locator_dei_LegalEntityAxis_2724" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2729" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2730" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2729" xlink:to="Locator_dei_EntityDomain_2730" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2731" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_2732" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2731" xlink:to="Locator_us-gaap_ParentCompanyMember_2732" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2721" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2722" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2721" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2722" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2725" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2726" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_2725" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_2726" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_2727" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredCompensationPlansMember" xlink:label="Locator_cmcsa_DeferredCompensationPlansMember_2728" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_2727" xlink:to="Locator_cmcsa_DeferredCompensationPlansMember_2728" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2701" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2702" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_2701" xlink:to="Locator_us-gaap_StatementTable_2702" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2787" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_2788" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2787" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_2788" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_2795" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2796" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_2795" xlink:to="Locator_us-gaap_ClassOfStockDomain_2796" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2797" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_2798" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_2797" xlink:to="Locator_us-gaap_CommonClassAMember_2798" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2799" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_2800" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_2799" xlink:to="Locator_us-gaap_CommonClassBMember_2800" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2783" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2784" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2783" xlink:to="Locator_us-gaap_StatementLineItems_2784" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2735" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommonStockVotingPower" xlink:label="Locator_cmcsa_CommonStockVotingPower_2736" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2735" xlink:to="Locator_cmcsa_CommonStockVotingPower_2736" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2737" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfVotesEntitledOfEachClassBCommonStock" xlink:label="Locator_cmcsa_NumberOfVotesEntitledOfEachClassBCommonStock_2738" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2737" xlink:to="Locator_cmcsa_NumberOfVotesEntitledOfEachClassBCommonStock_2738" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2739" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockrepurchaseprogramAdditionalShareAuthorization" xlink:label="Locator_cmcsa_StockrepurchaseprogramAdditionalShareAuthorization_2740" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2739" xlink:to="Locator_cmcsa_StockrepurchaseprogramAdditionalShareAuthorization_2740" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2741" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockRepurchaseProgramAvailabilityOfSharesAuthorized" xlink:label="Locator_cmcsa_StockRepurchaseProgramAvailabilityOfSharesAuthorized_2742" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2741" xlink:to="Locator_cmcsa_StockRepurchaseProgramAvailabilityOfSharesAuthorized_2742" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2743" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommonStockDividendsPerShareDeclaredAfterReportingPeriod" xlink:label="Locator_cmcsa_CommonStockDividendsPerShareDeclaredAfterReportingPeriod_2744" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2743" xlink:to="Locator_cmcsa_CommonStockDividendsPerShareDeclaredAfterReportingPeriod_2744" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2745" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncreaseToPlannedAnnualDividend" xlink:label="Locator_cmcsa_IncreaseToPlannedAnnualDividend_2746" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2745" xlink:to="Locator_cmcsa_IncreaseToPlannedAnnualDividend_2746" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2747" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PerShareAnnualPlannedDividend" xlink:label="Locator_cmcsa_PerShareAnnualPlannedDividend_2748" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2747" xlink:to="Locator_cmcsa_PerShareAnnualPlannedDividend_2748" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2785" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2786" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2785" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2786" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2789" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2790" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2789" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2790" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2791" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="Locator_us-gaap_StockOptionsMember_2792" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2791" xlink:to="Locator_us-gaap_StockOptionsMember_2792" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2793" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="Locator_us-gaap_RestrictedStockMember_2794" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2793" xlink:to="Locator_us-gaap_RestrictedStockMember_2794" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2751" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2752" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2751" xlink:to="Locator_us-gaap_StatementTable_2752" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityAggregateShareRepurchasesDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2801" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_2802" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2801" xlink:to="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_2802" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2803" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2804" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2803" xlink:to="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2804" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityChangesInCommonStockDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2843" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_2844" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2843" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_2844" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_2845" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2846" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_2845" xlink:to="Locator_us-gaap_ClassOfStockDomain_2846" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2847" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_2848" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_2847" xlink:to="Locator_us-gaap_CommonClassAMember_2848" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2849" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_2850" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_2849" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_2850" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_2851" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_2852" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_2851" xlink:to="Locator_us-gaap_CommonClassBMember_2852" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2841" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2842" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2841" xlink:to="Locator_us-gaap_StatementLineItems_2842" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2805" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="Locator_us-gaap_CommonStockSharesOutstanding_2806" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2805" xlink:to="Locator_us-gaap_CommonStockSharesOutstanding_2806" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2815" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="Locator_us-gaap_CommonStockSharesOutstanding_2816" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2815" xlink:to="Locator_us-gaap_CommonStockSharesOutstanding_2816" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2807" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="Locator_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_2808" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2807" xlink:to="Locator_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_2808" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2809" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2810" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2809" xlink:to="Locator_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_2810" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2811" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="Locator_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_2812" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2811" xlink:to="Locator_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_2812" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2813" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ShareExchangeIssuedReceived" xlink:label="Locator_cmcsa_ShareExchangeIssuedReceived_2814" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2813" xlink:to="Locator_cmcsa_ShareExchangeIssuedReceived_2814" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2819" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2820" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2819" xlink:to="Locator_us-gaap_StatementTable_2820" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityDividendsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2881" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2882" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2881" xlink:to="Locator_us-gaap_StatementLineItems_2882" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2861" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="Locator_us-gaap_DividendsCommonStockCash_2862" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2861" xlink:to="Locator_us-gaap_DividendsCommonStockCash_2862" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2859" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="Locator_us-gaap_CommonStockDividendsPerShareDeclared_2860" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2859" xlink:to="Locator_us-gaap_CommonStockDividendsPerShareDeclared_2860" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2883" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityStatementAxis" xlink:label="Locator_cmcsa_EquityStatementAxis_2884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2883" xlink:to="Locator_cmcsa_EquityStatementAxis_2884" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityStatementAxis" xlink:label="Locator_cmcsa_EquityStatementAxis_2885" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2886" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_EquityStatementAxis_2885" xlink:to="Locator_cmcsa_MonthDeclaredDomain_2886" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2887" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_JanuaryMember" xlink:label="Locator_cmcsa_JanuaryMember_2888" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_MonthDeclaredDomain_2887" xlink:to="Locator_cmcsa_JanuaryMember_2888" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2889" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FebruaryMember" xlink:label="Locator_cmcsa_FebruaryMember_2890" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_MonthDeclaredDomain_2889" xlink:to="Locator_cmcsa_FebruaryMember_2890" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2891" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MayMember" xlink:label="Locator_cmcsa_MayMember_2892" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_MonthDeclaredDomain_2891" xlink:to="Locator_cmcsa_MayMember_2892" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2893" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_JulyMember" xlink:label="Locator_cmcsa_JulyMember_2894" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_MonthDeclaredDomain_2893" xlink:to="Locator_cmcsa_JulyMember_2894" order="3.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonthDeclaredDomain" xlink:label="Locator_cmcsa_MonthDeclaredDomain_2895" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OctoberMember" xlink:label="Locator_cmcsa_OctoberMember_2896" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_MonthDeclaredDomain_2895" xlink:to="Locator_cmcsa_OctoberMember_2896" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2855" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2856" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2855" xlink:to="Locator_us-gaap_StatementTable_2856" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityComponentsOfAccumulatedOtherComprehensiveIncomeLossDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2897" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_2898" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2897" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_2898" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2899" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredGainsLossesOnCashFlowHedges" xlink:label="Locator_cmcsa_DeferredGainsLossesOnCashFlowHedges_2900" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2899" xlink:to="Locator_cmcsa_DeferredGainsLossesOnCashFlowHedges_2900" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2901" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_2902" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2901" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_2902" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2903" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_2904" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2903" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_2904" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_2905" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2906" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_2905" xlink:to="Locator_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2906" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationRecognizedShareBasedCompensationExpenseDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2943" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2944" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2943" xlink:to="Locator_us-gaap_StatementLineItems_2944" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2915" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="Locator_us-gaap_AllocatedShareBasedCompensationExpense_2916" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2915" xlink:to="Locator_us-gaap_AllocatedShareBasedCompensationExpense_2916" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2917" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="Locator_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2918" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2917" xlink:to="Locator_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_2918" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2947" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2948" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2947" xlink:to="Locator_dei_LegalEntityAxis_2948" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2957" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2958" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2957" xlink:to="Locator_dei_EntityDomain_2958" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2959" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_2960" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2959" xlink:to="Locator_us-gaap_ParentCompanyMember_2960" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2945" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2946" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2945" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2946" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2949" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2950" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2949" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2950" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2951" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="Locator_us-gaap_StockOptionsMember_2952" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2951" xlink:to="Locator_us-gaap_StockOptionsMember_2952" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2953" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="Locator_us-gaap_RestrictedStockMember_2954" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2953" xlink:to="Locator_us-gaap_RestrictedStockMember_2954" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2955" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="Locator_us-gaap_EmployeeStockMember_2956" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_2955" xlink:to="Locator_us-gaap_EmployeeStockMember_2956" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_2921" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2922" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_2921" xlink:to="Locator_us-gaap_StatementTable_2922" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationStockOptionFairValueDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2991" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2992" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2991" xlink:to="Locator_us-gaap_StatementLineItems_2992" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2961" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2962" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2961" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_2962" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2963" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_2964" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2963" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_2964" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2965" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_2966" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2965" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_2966" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2967" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_2968" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2967" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_2968" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2969" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm_2970" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2969" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm_2970" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2993" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2994" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_2993" xlink:to="Locator_dei_LegalEntityAxis_2994" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_2995" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2996" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_2995" xlink:to="Locator_dei_EntityDomain_2996" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_2997" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_2998" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_2997" xlink:to="Locator_us-gaap_ParentCompanyMember_2998" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_2973" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_2974" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_2973" xlink:to="Locator_us-gaap_StatementTable_2974" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationStockOptionActivityDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3101" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_3102" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3101" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_3102" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_3113" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3114" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_3113" xlink:to="Locator_us-gaap_ClassOfStockDomain_3114" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3115" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_3116" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_3115" xlink:to="Locator_us-gaap_CommonClassAMember_3116" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3117" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_3118" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_3117" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_3118" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3097" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3098" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3097" xlink:to="Locator_us-gaap_StatementLineItems_3098" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3001" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_3002" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3001" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_3002" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3003" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="Locator_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_3004" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3003" xlink:to="Locator_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_3004" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3005" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_3006" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3005" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_3006" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3007" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_3008" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3007" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_3008" order="5.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3013" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_3014" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3013" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_3014" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3015" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_3016" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3015" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_3016" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3017" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_3018" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3017" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm_3018" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3019" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="Locator_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_3020" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3019" xlink:to="Locator_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_3020" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3023" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_3024" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3023" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_3024" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3025" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_3026" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3025" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_3026" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3027" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_3028" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3027" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_3028" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3029" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_3030" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3029" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_3030" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3011" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3012" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3011" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3012" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3021" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3022" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3021" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3022" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3031" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3032" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3031" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3032" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3033" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_3034" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3033" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_3034" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3035" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="Locator_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1_3036" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3035" xlink:to="Locator_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1_3036" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_2999" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3000" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_2999" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3000" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3009" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3010" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3009" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_3010" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3103" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3104" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3103" xlink:to="Locator_dei_LegalEntityAxis_3104" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3119" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3120" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3119" xlink:to="Locator_dei_EntityDomain_3120" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3121" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3122" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3121" xlink:to="Locator_us-gaap_ParentCompanyMember_3122" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3099" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3100" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3099" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3100" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3105" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3106" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3105" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3106" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3107" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CashSettledOptionsMember" xlink:label="Locator_cmcsa_CashSettledOptionsMember_3108" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3107" xlink:to="Locator_cmcsa_CashSettledOptionsMember_3108" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3109" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NetSettledOptionsMember" xlink:label="Locator_cmcsa_NetSettledOptionsMember_3110" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3109" xlink:to="Locator_cmcsa_NetSettledOptionsMember_3110" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3111" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExercisedStockOptionsMember" xlink:label="Locator_cmcsa_ExercisedStockOptionsMember_3112" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3111" xlink:to="Locator_cmcsa_ExercisedStockOptionsMember_3112" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_3039" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3040" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_3039" xlink:to="Locator_us-gaap_StatementTable_3040" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationExercisedStockOptionsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3153" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3154" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3153" xlink:to="Locator_us-gaap_StatementLineItems_3154" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3123" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_3124" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3123" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_3124" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3125" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions" xlink:label="Locator_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions_3126" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3125" xlink:to="Locator_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions_3126" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3127" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="Locator_us-gaap_ProceedsFromStockOptionsExercised_3128" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3127" xlink:to="Locator_us-gaap_ProceedsFromStockOptionsExercised_3128" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3157" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3158" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3157" xlink:to="Locator_dei_LegalEntityAxis_3158" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3165" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3166" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3165" xlink:to="Locator_dei_EntityDomain_3166" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3167" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3168" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3167" xlink:to="Locator_us-gaap_ParentCompanyMember_3168" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3155" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3156" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3155" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3156" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3159" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3160" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3159" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3160" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3163" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExercisedStockOptionsMember" xlink:label="Locator_cmcsa_ExercisedStockOptionsMember_3164" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3163" xlink:to="Locator_cmcsa_ExercisedStockOptionsMember_3164" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3161" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OptionPlansMember" xlink:label="Locator_cmcsa_OptionPlansMember_3162" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3161" xlink:to="Locator_cmcsa_OptionPlansMember_3162" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_3131" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3132" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_3131" xlink:to="Locator_us-gaap_StatementTable_3132" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationWeightedAverageFairValueOfGrantsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3189" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3190" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3189" xlink:to="Locator_us-gaap_StatementLineItems_3190" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3169" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3170" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3169" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3170" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3191" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3192" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3191" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3192" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3195" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3196" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3195" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3196" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3197" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="Locator_us-gaap_RestrictedStockMember_3198" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3197" xlink:to="Locator_us-gaap_RestrictedStockMember_3198" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3193" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3194" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3193" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3194" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3199" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3200" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3199" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3200" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3201" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RestrictedStockPlanMember" xlink:label="Locator_cmcsa_RestrictedStockPlanMember_3202" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3201" xlink:to="Locator_cmcsa_RestrictedStockPlanMember_3202" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_3173" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_3173" xlink:to="Locator_us-gaap_StatementTable_3174" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationRestrictedStockPlanActivityDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3279" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_3280" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3279" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_3280" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_3289" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3290" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_3289" xlink:to="Locator_us-gaap_ClassOfStockDomain_3290" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3291" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_3292" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_3291" xlink:to="Locator_us-gaap_CommonClassAMember_3292" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_3293" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_3294" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_3293" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_3294" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3275" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3276" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3275" xlink:to="Locator_us-gaap_StatementLineItems_3276" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3205" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3206" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3205" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_3206" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3207" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_3208" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3207" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_3208" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3209" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue_3210" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3209" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue_3210" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3203" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3204" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3203" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3204" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3211" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3212" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3211" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3212" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3215" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3216" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3215" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_3216" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3217" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3218" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3217" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_3218" order="8.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3219" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3220" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3219" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3220" order="9.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3213" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3214" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3213" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3214" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3221" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3222" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3221" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_3222" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3283" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3284" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3283" xlink:to="Locator_dei_LegalEntityAxis_3284" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3305" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3306" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3305" xlink:to="Locator_dei_EntityDomain_3306" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3307" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3308" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3307" xlink:to="Locator_us-gaap_ParentCompanyMember_3308" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3281" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3282" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3281" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3282" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3295" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3296" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3295" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3296" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3297" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="Locator_us-gaap_StockOptionsMember_3298" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3297" xlink:to="Locator_us-gaap_StockOptionsMember_3298" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3299" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="Locator_us-gaap_RestrictedStockMember_3300" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3299" xlink:to="Locator_us-gaap_RestrictedStockMember_3300" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3301" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="Locator_us-gaap_EmployeeStockMember_3302" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3301" xlink:to="Locator_us-gaap_EmployeeStockMember_3302" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3303" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NonvestedRestrictedShareUnitAwardsMember" xlink:label="Locator_cmcsa_NonvestedRestrictedShareUnitAwardsMember_3304" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3303" xlink:to="Locator_cmcsa_NonvestedRestrictedShareUnitAwardsMember_3304" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3277" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3278" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3277" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3278" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3285" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3286" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3285" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3286" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3287" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RestrictedStockPlanMember" xlink:label="Locator_cmcsa_RestrictedStockPlanMember_3288" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3287" xlink:to="Locator_cmcsa_RestrictedStockPlanMember_3288" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_3225" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3226" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_3225" xlink:to="Locator_us-gaap_StatementTable_3226" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationVestedRestrictedShareUnitsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3339" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3340" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3339" xlink:to="Locator_us-gaap_StatementLineItems_3340" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3309" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_3310" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3309" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_3310" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3311" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxBenefitOfRsusVested" xlink:label="Locator_cmcsa_TaxBenefitOfRsusVested_3312" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3311" xlink:to="Locator_cmcsa_TaxBenefitOfRsusVested_3312" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3345" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3346" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3345" xlink:to="Locator_dei_LegalEntityAxis_3346" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3355" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3356" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3355" xlink:to="Locator_dei_EntityDomain_3356" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3357" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3358" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3357" xlink:to="Locator_us-gaap_ParentCompanyMember_3358" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3343" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3344" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3343" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3344" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3351" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3352" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_3351" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3352" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3353" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VestedRestrictedShareUnitsMember" xlink:label="Locator_cmcsa_VestedRestrictedShareUnitsMember_3354" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_3353" xlink:to="Locator_cmcsa_VestedRestrictedShareUnitsMember_3354" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3341" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3342" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3341" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3342" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3347" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3348" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_3347" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3348" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3349" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RestrictedStockPlanMember" xlink:label="Locator_cmcsa_RestrictedStockPlanMember_3350" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3349" xlink:to="Locator_cmcsa_RestrictedStockPlanMember_3350" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_3315" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3316" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_3315" xlink:to="Locator_us-gaap_StatementTable_3316" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesComponentsOfIncomeTaxExpenseDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3359" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="Locator_us-gaap_CurrentFederalTaxExpenseBenefit_3360" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3359" xlink:to="Locator_us-gaap_CurrentFederalTaxExpenseBenefit_3360" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3361" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="Locator_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_3362" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3361" xlink:to="Locator_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_3362" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3363" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="Locator_us-gaap_CurrentForeignTaxExpenseBenefit_3364" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3363" xlink:to="Locator_us-gaap_CurrentForeignTaxExpenseBenefit_3364" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3365" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_CurrentIncomeTaxExpenseBenefit_3366" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3365" xlink:to="Locator_us-gaap_CurrentIncomeTaxExpenseBenefit_3366" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3367" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_3368" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3367" xlink:to="Locator_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_3368" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3369" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3370" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3369" xlink:to="Locator_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_3370" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3371" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_3372" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3371" xlink:to="Locator_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_3372" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3373" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_DeferredIncomeTaxExpenseBenefit_3374" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3373" xlink:to="Locator_us-gaap_DeferredIncomeTaxExpenseBenefit_3374" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3375" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_IncomeTaxExpenseBenefit_3376" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3375" xlink:to="Locator_us-gaap_IncomeTaxExpenseBenefit_3376" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesFederalStatutoryDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3435" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3436" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3435" xlink:to="Locator_us-gaap_StatementLineItems_3436" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3397" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="Locator_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_3398" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3397" xlink:to="Locator_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_3398" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3399" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="Locator_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3400" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3399" xlink:to="Locator_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_3400" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3401" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="Locator_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_3402" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3401" xlink:to="Locator_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_3402" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3403" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary" xlink:label="Locator_us-gaap_IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary_3404" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3403" xlink:to="Locator_us-gaap_IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary_3404" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3405" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncomeTaxReconciliationBenefitRelatedToCertainSubsidiaryReorganizations" xlink:label="Locator_cmcsa_IncomeTaxReconciliationBenefitRelatedToCertainSubsidiaryReorganizations_3406" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3405" xlink:to="Locator_cmcsa_IncomeTaxReconciliationBenefitRelatedToCertainSubsidiaryReorganizations_3406" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3407" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="Locator_us-gaap_IncomeTaxReconciliationOtherAdjustments_3408" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3407" xlink:to="Locator_us-gaap_IncomeTaxReconciliationOtherAdjustments_3408" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3409" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_IncomeTaxExpenseBenefit_3410" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3409" xlink:to="Locator_us-gaap_IncomeTaxExpenseBenefit_3410" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3437" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_3438" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3437" xlink:to="Locator_cmcsa_TaxAdjustmentsAxis_3438" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_3439" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3440" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsAxis_3439" xlink:to="Locator_cmcsa_TaxAdjustmentsDomain_3440" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3441" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UncertainAndEffectivelySettledTaxPositionsNetMember" xlink:label="Locator_cmcsa_UncertainAndEffectivelySettledTaxPositionsNetMember_3442" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3441" xlink:to="Locator_cmcsa_UncertainAndEffectivelySettledTaxPositionsNetMember_3442" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3443" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AccruedInterestOnUncertainAndEffectivelySettledTaxPositionsNetMember" xlink:label="Locator_cmcsa_AccruedInterestOnUncertainAndEffectivelySettledTaxPositionsNetMember_3444" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3443" xlink:to="Locator_cmcsa_AccruedInterestOnUncertainAndEffectivelySettledTaxPositionsNetMember_3444" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3445" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherMember" xlink:label="Locator_us-gaap_OtherMember_3446" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3445" xlink:to="Locator_us-gaap_OtherMember_3446" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3393" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3394" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3393" xlink:to="Locator_us-gaap_StatementTable_3394" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesComponentsOfNetDeferredTaxLiabilityDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3515" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3516" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3515" xlink:to="Locator_us-gaap_StatementLineItems_3516" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3451" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3452" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3451" xlink:to="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_3452" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3453" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="Locator_us-gaap_DeferredTaxAssetsOther_3454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3453" xlink:to="Locator_us-gaap_DeferredTaxAssetsOther_3454" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3455" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther" xlink:label="Locator_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_3456" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3455" xlink:to="Locator_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther_3456" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3457" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="Locator_us-gaap_DeferredTaxAssetsValuationAllowance_3458" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3457" xlink:to="Locator_us-gaap_DeferredTaxAssetsValuationAllowance_3458" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3459" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="Locator_us-gaap_DeferredTaxAssetsNet_3460" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3459" xlink:to="Locator_us-gaap_DeferredTaxAssetsNet_3460" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3461" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="Locator_us-gaap_DeferredTaxLiabilitiesOther_3462" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3461" xlink:to="Locator_us-gaap_DeferredTaxLiabilitiesOther_3462" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3463" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="Locator_us-gaap_DeferredTaxLiabilities_3464" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3463" xlink:to="Locator_us-gaap_DeferredTaxLiabilities_3464" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3465" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="Locator_us-gaap_DeferredTaxAssetsLiabilitiesNet_3466" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3465" xlink:to="Locator_us-gaap_DeferredTaxAssetsLiabilitiesNet_3466" order="7.0" preferredLabel="http://www.xbrl.org/2009/role/negatedTotalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3519" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3520" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3519" xlink:to="Locator_dei_LegalEntityAxis_3520" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3531" xlink:to="Locator_dei_EntityDomain_3532" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3533" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_3534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3533" xlink:to="Locator_cmcsa_NbcuniversalMember_3534" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3517" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_3518" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3517" xlink:to="Locator_cmcsa_TaxAdjustmentsAxis_3518" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_3521" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3522" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsAxis_3521" xlink:to="Locator_cmcsa_TaxAdjustmentsDomain_3522" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3523" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_3524" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3523" xlink:to="Locator_us-gaap_DebtMember_3524" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3525" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PropertyAndEquipmentAndIntangibleAssetsMember" xlink:label="Locator_cmcsa_PropertyAndEquipmentAndIntangibleAssetsMember_3526" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3525" xlink:to="Locator_cmcsa_PropertyAndEquipmentAndIntangibleAssetsMember_3526" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3527" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsMember" xlink:label="Locator_us-gaap_InvestmentsMember_3528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3527" xlink:to="Locator_us-gaap_InvestmentsMember_3528" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_3529" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IndexedDebtSecuritiesMember" xlink:label="Locator_cmcsa_IndexedDebtSecuritiesMember_3530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_3529" xlink:to="Locator_cmcsa_IndexedDebtSecuritiesMember_3530" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3447" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3448" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3447" xlink:to="Locator_us-gaap_StatementTable_3448" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesReconciliationOfUnrecognizedTaxBenefitsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3537" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3537" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_3538" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3539" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3539" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_3540" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3541" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UnrecognizedTaxBenefitsIncreasesResultingFromAcquiredSubsidiaries" xlink:label="Locator_cmcsa_UnrecognizedTaxBenefitsIncreasesResultingFromAcquiredSubsidiaries_3542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3541" xlink:to="Locator_cmcsa_UnrecognizedTaxBenefitsIncreasesResultingFromAcquiredSubsidiaries_3542" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3543" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_3544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3543" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_3544" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3545" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_3546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3545" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_3546" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3547" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_3548" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3547" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_3548" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefits_3536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3535" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefits_3536" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_3549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefits_3550" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_3549" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefits_3550" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3589" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3590" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3589" xlink:to="Locator_us-gaap_StatementLineItems_3590" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3553" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_3554" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3553" xlink:to="Locator_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_3554" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3557" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPayableAmount" xlink:label="Locator_us-gaap_DividendsPayableAmount_3558" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3557" xlink:to="Locator_us-gaap_DividendsPayableAmount_3558" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3559" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="Locator_us-gaap_DividendsPayableAmountPerShare_3560" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3559" xlink:to="Locator_us-gaap_DividendsPayableAmountPerShare_3560" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3561" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="Locator_us-gaap_CapitalExpendituresIncurredButNotYetPaid_3562" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3561" xlink:to="Locator_us-gaap_CapitalExpendituresIncurredButNotYetPaid_3562" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3555" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_3556" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3555" xlink:to="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_3556" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3551" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OwnershipPercentageInNewCompany" xlink:label="Locator_cmcsa_OwnershipPercentageInNewCompany_3552" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3551" xlink:to="Locator_cmcsa_OwnershipPercentageInNewCompany_3552" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3592" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3591" xlink:to="Locator_dei_LegalEntityAxis_3592" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3593" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3594" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3593" xlink:to="Locator_dei_EntityDomain_3594" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3595" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3596" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3595" xlink:to="Locator_us-gaap_ParentCompanyMember_3596" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3597" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GeMember" xlink:label="Locator_cmcsa_GeMember_3598" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3597" xlink:to="Locator_cmcsa_GeMember_3598" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3599" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_3600" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3599" xlink:to="Locator_cmcsa_UniversalOrlandoMember_3600" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_3565" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3566" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_3565" xlink:to="Locator_us-gaap_StatementTable_3566" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3661" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3662" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3661" xlink:to="Locator_us-gaap_StatementLineItems_3662" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3609" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations" xlink:label="Locator_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_3610" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3609" xlink:to="Locator_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_3610" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3601" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear" xlink:label="Locator_cmcsa_NumberOfCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear_3602" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3601" xlink:to="Locator_cmcsa_NumberOfCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear_3602" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3603" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreements" xlink:label="Locator_cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreements_3604" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3603" xlink:to="Locator_cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreements_3604" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3605" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear" xlink:label="Locator_cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear_3606" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3605" xlink:to="Locator_cmcsa_NumberOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduleToExpireByEndOfYear_3606" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3607" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduledToExpireDuringTheNextYear" xlink:label="Locator_cmcsa_PercentageOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduledToExpireDuringTheNextYear_3608" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3607" xlink:to="Locator_cmcsa_PercentageOfEmployeesCoveredUnderCollectiveBargainingAgreementsExpiredOrScheduledToExpireDuringTheNextYear_3608" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3611" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SubsequentFairValueAdjustments" xlink:label="Locator_cmcsa_SubsequentFairValueAdjustments_3612" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3611" xlink:to="Locator_cmcsa_SubsequentFairValueAdjustments_3612" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3613" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EquityInterestPercentage" xlink:label="Locator_cmcsa_EquityInterestPercentage_3614" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3613" xlink:to="Locator_cmcsa_EquityInterestPercentage_3614" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3615" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VotingInterestPercentage" xlink:label="Locator_cmcsa_VotingInterestPercentage_3616" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3615" xlink:to="Locator_cmcsa_VotingInterestPercentage_3616" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3617" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtOfUnconsolidatedVie" xlink:label="Locator_cmcsa_DebtOfUnconsolidatedVie_3618" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3617" xlink:to="Locator_cmcsa_DebtOfUnconsolidatedVie_3618" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3619" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtInstrumentMaturityPeriod" xlink:label="Locator_cmcsa_DebtInstrumentMaturityPeriod_3620" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3619" xlink:to="Locator_cmcsa_DebtInstrumentMaturityPeriod_3620" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3621" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CollateralLiabilityForUnconsolidatedSubsidiaryDebt" xlink:label="Locator_cmcsa_CollateralLiabilityForUnconsolidatedSubsidiaryDebt_3622" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3621" xlink:to="Locator_cmcsa_CollateralLiabilityForUnconsolidatedSubsidiaryDebt_3622" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3663" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3664" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3663" xlink:to="Locator_dei_LegalEntityAxis_3664" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3665" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3666" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3665" xlink:to="Locator_dei_EntityDomain_3666" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3667" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3668" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3667" xlink:to="Locator_us-gaap_ParentCompanyMember_3668" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3671" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_3672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3671" xlink:to="Locator_cmcsa_NbcuniversalMember_3672" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3669" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastSpectacorMember" xlink:label="Locator_cmcsa_ComcastSpectacorMember_3670" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3669" xlink:to="Locator_cmcsa_ComcastSpectacorMember_3670" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3673" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StationVentureSeniorSecuredNoteDueIn2023Member" xlink:label="Locator_cmcsa_StationVentureSeniorSecuredNoteDueIn2023Member_3674" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3673" xlink:to="Locator_cmcsa_StationVentureSeniorSecuredNoteDueIn2023Member_3674" order="3.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3625" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3626" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3625" xlink:to="Locator_us-gaap_StatementTable_3626" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesMinimumAnnualCommitmentsUnderTheProgrammingLicenseAgreementsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3733" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3734" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3733" xlink:to="Locator_us-gaap_StatementLineItems_3734" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3675" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsCurrent" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsCurrent_3676" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3675" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsCurrent_3676" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3677" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInTwoYears" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInTwoYears_3678" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3677" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInTwoYears_3678" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3679" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInThreeYears" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInThreeYears_3680" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3679" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInThreeYears_3680" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3681" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFourYears" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFourYears_3682" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3681" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFourYears_3682" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3683" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFiveYears" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFiveYears_3684" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3683" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsInFiveYears_3684" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3685" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsDueThereafter" xlink:label="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsDueThereafter_3686" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3685" xlink:to="Locator_cmcsa_ProgrammingAndTalentCommitmentsFutureMinimumPaymentsDueThereafter_3686" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3687" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_3688" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3687" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_3688" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3689" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3690" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3689" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_3690" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3691" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_3692" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3691" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_3692" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3693" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_3694" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3693" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_3694" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3695" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3696" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3695" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_3696" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3697" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_3698" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3697" xlink:to="Locator_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_3698" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3735" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3736" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3735" xlink:to="Locator_dei_LegalEntityAxis_3736" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3737" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3738" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3737" xlink:to="Locator_dei_EntityDomain_3738" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3739" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3740" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3739" xlink:to="Locator_us-gaap_ParentCompanyMember_3740" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3701" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3702" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3701" xlink:to="Locator_us-gaap_StatementTable_3702" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesRentalExpenseDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3755" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3756" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3755" xlink:to="Locator_us-gaap_StatementLineItems_3756" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3741" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="Locator_us-gaap_LeaseAndRentalExpense_3742" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3741" xlink:to="Locator_us-gaap_LeaseAndRentalExpense_3742" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3757" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3758" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3757" xlink:to="Locator_dei_LegalEntityAxis_3758" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_3759" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3760" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_3759" xlink:to="Locator_dei_EntityDomain_3760" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_3761" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_3762" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_3761" xlink:to="Locator_us-gaap_ParentCompanyMember_3762" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3745" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3746" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_3745" xlink:to="Locator_us-gaap_StatementTable_3746" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegmentDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3847" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3848" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3847" xlink:to="Locator_us-gaap_StatementLineItems_3848" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3765" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_3766" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3765" xlink:to="Locator_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_3766" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3769" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OperatingIncomeExcludingDepreciationAndAmortization" xlink:label="Locator_cmcsa_OperatingIncomeExcludingDepreciationAndAmortization_3770" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3769" xlink:to="Locator_cmcsa_OperatingIncomeExcludingDepreciationAndAmortization_3770" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3771" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="Locator_us-gaap_DepreciationAndAmortization_3772" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3771" xlink:to="Locator_us-gaap_DepreciationAndAmortization_3772" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3775" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3776" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3775" xlink:to="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_3776" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3779" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NonUSRevenue" xlink:label="Locator_cmcsa_NonUSRevenue_3780" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3779" xlink:to="Locator_cmcsa_NonUSRevenue_3780" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3781" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableSegmentRevenueTypesAsPercentageOfTotalCableRevenue" xlink:label="Locator_cmcsa_CableSegmentRevenueTypesAsPercentageOfTotalCableRevenue_3782" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3781" xlink:to="Locator_cmcsa_CableSegmentRevenueTypesAsPercentageOfTotalCableRevenue_3782" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3783" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NonUsPropertyAndEquipment" xlink:label="Locator_cmcsa_NonUsPropertyAndEquipment_3784" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3783" xlink:to="Locator_cmcsa_NonUsPropertyAndEquipment_3784" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3777" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Locator_us-gaap_Assets_3778" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3777" xlink:to="Locator_us-gaap_Assets_3778" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3767" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Locator_us-gaap_Revenues_3768" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3767" xlink:to="Locator_us-gaap_Revenues_3768" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3773" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="Locator_us-gaap_OperatingIncomeLoss_3774" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3773" xlink:to="Locator_us-gaap_OperatingIncomeLoss_3774" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3849" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_3850" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_3849" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_3850" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_3885" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3886" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_3885" xlink:to="Locator_us-gaap_SegmentDomain_3886" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3855" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BroadcastTelevisionMember" xlink:label="Locator_cmcsa_BroadcastTelevisionMember_3856" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3855" xlink:to="Locator_cmcsa_BroadcastTelevisionMember_3856" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3857" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmedEntertainmentMember" xlink:label="Locator_cmcsa_FilmedEntertainmentMember_3858" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3857" xlink:to="Locator_cmcsa_FilmedEntertainmentMember_3858" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3859" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ThemeParksMember" xlink:label="Locator_cmcsa_ThemeParksMember_3860" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3859" xlink:to="Locator_cmcsa_ThemeParksMember_3860" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3851" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsMember" xlink:label="Locator_cmcsa_CableCommunicationsMember_3852" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3851" xlink:to="Locator_cmcsa_CableCommunicationsMember_3852" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3853" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableNetworksMember" xlink:label="Locator_cmcsa_CableNetworksMember_3854" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3853" xlink:to="Locator_cmcsa_CableNetworksMember_3854" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3867" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CorporateAndOtherMember" xlink:label="Locator_cmcsa_CorporateAndOtherMember_3868" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3867" xlink:to="Locator_cmcsa_CorporateAndOtherMember_3868" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3865" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_3866" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3865" xlink:to="Locator_cmcsa_NbcuniversalMember_3866" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3861" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_HeadquartersAndOtherMember" xlink:label="Locator_cmcsa_HeadquartersAndOtherMember_3862" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3861" xlink:to="Locator_cmcsa_HeadquartersAndOtherMember_3862" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3863" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalEliminationsMember" xlink:label="Locator_cmcsa_NbcuniversalEliminationsMember_3864" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3863" xlink:to="Locator_cmcsa_NbcuniversalEliminationsMember_3864" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3869" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EliminationsMember" xlink:label="Locator_cmcsa_EliminationsMember_3870" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3869" xlink:to="Locator_cmcsa_EliminationsMember_3870" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3871" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember_3872" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3871" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember_3872" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3873" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember_3874" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3873" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember_3874" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3875" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember_3876" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3875" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember_3876" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3877" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember_3878" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3877" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember_3878" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3879" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember_3880" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3879" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember_3880" order="14.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3881" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember_3882" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3881" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember_3882" order="15.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_3883" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember_3884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_3883" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember_3884" order="16.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FinancialDataByBusinessSegmentAbstract" xlink:label="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_3787" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3788" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_3787" xlink:to="Locator_us-gaap_StatementTable_3788" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformationComponentsOfQuarterlyFinancialInformationDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3887" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Locator_us-gaap_Revenues_3888" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3887" xlink:to="Locator_us-gaap_Revenues_3888" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3889" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="Locator_us-gaap_OperatingIncomeLoss_3890" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3889" xlink:to="Locator_us-gaap_OperatingIncomeLoss_3890" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3891" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="Locator_us-gaap_NetIncomeLoss_3892" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3891" xlink:to="Locator_us-gaap_NetIncomeLoss_3892" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3893" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="Locator_us-gaap_EarningsPerShareBasic_3894" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3893" xlink:to="Locator_us-gaap_EarningsPerShareBasic_3894" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3895" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="Locator_us-gaap_EarningsPerShareDiluted_3896" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3895" xlink:to="Locator_us-gaap_EarningsPerShareDiluted_3896" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_3897" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="Locator_us-gaap_CommonStockDividendsPerShareDeclared_3898" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_3897" xlink:to="Locator_us-gaap_CommonStockDividendsPerShareDeclared_3898" order="5.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4047" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4048" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4047" xlink:to="Locator_us-gaap_StatementLineItems_4048" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3953" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3954" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3953" xlink:to="Locator_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3954" order="27.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3911" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="Locator_us-gaap_LongTermInvestments_3912" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3911" xlink:to="Locator_us-gaap_LongTermInvestments_3912" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3943" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_3944" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3943" xlink:to="Locator_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_3944" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3915" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentNet_3916" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3915" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentNet_3916" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3919" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Locator_us-gaap_Goodwill_3920" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3919" xlink:to="Locator_us-gaap_Goodwill_3920" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3933" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="Locator_us-gaap_DebtCurrent_3934" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3933" xlink:to="Locator_us-gaap_DebtCurrent_3934" order="17.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3937" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_3938" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3937" xlink:to="Locator_us-gaap_LongTermDebtAndCapitalLeaseObligations_3938" order="19.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3925" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Locator_us-gaap_Assets_3926" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3925" xlink:to="Locator_us-gaap_Assets_3926" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3901" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="Locator_us-gaap_AccountsReceivableNetCurrent_3902" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3901" xlink:to="Locator_us-gaap_AccountsReceivableNetCurrent_3902" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3903" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingRightsCurrent" xlink:label="Locator_cmcsa_ProgrammingRightsCurrent_3904" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3903" xlink:to="Locator_cmcsa_ProgrammingRightsCurrent_3904" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3905" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="Locator_us-gaap_OtherAssetsCurrent_3906" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3905" xlink:to="Locator_us-gaap_OtherAssetsCurrent_3906" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3907" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="Locator_us-gaap_AssetsCurrent_3908" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3907" xlink:to="Locator_us-gaap_AssetsCurrent_3908" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3909" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCosts" xlink:label="Locator_cmcsa_FilmAndTelevisionCosts_3910" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3909" xlink:to="Locator_cmcsa_FilmAndTelevisionCosts_3910" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3913" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InvestmentsInAndAmountsDueFromSubsidiariesEliminatedUponConsolidation" xlink:label="Locator_cmcsa_InvestmentsInAndAmountsDueFromSubsidiariesEliminatedUponConsolidation_3914" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3913" xlink:to="Locator_cmcsa_InvestmentsInAndAmountsDueFromSubsidiariesEliminatedUponConsolidation_3914" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3917" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IndefiniteLivedFranchiseRights" xlink:label="Locator_us-gaap_IndefiniteLivedFranchiseRights_3918" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3917" xlink:to="Locator_us-gaap_IndefiniteLivedFranchiseRights_3918" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3921" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="Locator_us-gaap_OtherIntangibleAssetsNet_3922" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3921" xlink:to="Locator_us-gaap_OtherIntangibleAssetsNet_3922" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3923" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="Locator_us-gaap_OtherAssetsNoncurrent_3924" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3923" xlink:to="Locator_us-gaap_OtherAssetsNoncurrent_3924" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3927" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="Locator_us-gaap_AccountsPayableCurrent_3928" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3927" xlink:to="Locator_us-gaap_AccountsPayableCurrent_3928" order="14.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3929" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AccruedParticipationsAndResidualsCurrent" xlink:label="Locator_cmcsa_AccruedParticipationsAndResidualsCurrent_3930" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3929" xlink:to="Locator_cmcsa_AccruedParticipationsAndResidualsCurrent_3930" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3931" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AccruedExpensesAndOtherCurrentLiabilitiesIncludingDeferredRevenue" xlink:label="Locator_cmcsa_AccruedExpensesAndOtherCurrentLiabilitiesIncludingDeferredRevenue_3932" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3931" xlink:to="Locator_cmcsa_AccruedExpensesAndOtherCurrentLiabilitiesIncludingDeferredRevenue_3932" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3935" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="Locator_us-gaap_LiabilitiesCurrent_3936" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3935" xlink:to="Locator_us-gaap_LiabilitiesCurrent_3936" order="18.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3939" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="Locator_us-gaap_DeferredTaxLiabilitiesNoncurrent_3940" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3939" xlink:to="Locator_us-gaap_DeferredTaxLiabilitiesNoncurrent_3940" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3941" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="Locator_us-gaap_OtherLiabilitiesNoncurrent_3942" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3941" xlink:to="Locator_us-gaap_OtherLiabilitiesNoncurrent_3942" order="21.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3945" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="Locator_us-gaap_CommonStockValue_3946" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3945" xlink:to="Locator_us-gaap_CommonStockValue_3946" order="23.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3947" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherStockholdersEquity" xlink:label="Locator_cmcsa_OtherStockholdersEquity_3948" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3947" xlink:to="Locator_cmcsa_OtherStockholdersEquity_3948" order="24.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3949" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="Locator_us-gaap_StockholdersEquity_3950" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3949" xlink:to="Locator_us-gaap_StockholdersEquity_3950" order="25.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3951" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="Locator_us-gaap_MinorityInterest_3952" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3951" xlink:to="Locator_us-gaap_MinorityInterest_3952" order="26.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3955" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="Locator_us-gaap_LiabilitiesAndStockholdersEquity_3956" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3955" xlink:to="Locator_us-gaap_LiabilitiesAndStockholdersEquity_3956" order="28.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_3899" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_3900" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_3899" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_3900" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4049" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4050" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4049" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_4050" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4075" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4076" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_4075" xlink:to="Locator_us-gaap_SegmentDomain_4076" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4063" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4064" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4063" xlink:to="Locator_us-gaap_ParentCompanyMember_4064" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4065" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CcclParentMember" xlink:label="Locator_cmcsa_CcclParentMember_4066" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4065" xlink:to="Locator_cmcsa_CcclParentMember_4066" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4067" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CombinedCchmoParentsMember" xlink:label="Locator_cmcsa_CombinedCchmoParentsMember_4068" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4067" xlink:to="Locator_cmcsa_CombinedCchmoParentsMember_4068" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4069" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsMember" xlink:label="Locator_cmcsa_ComcastHoldingsMember_4070" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4069" xlink:to="Locator_cmcsa_ComcastHoldingsMember_4070" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4071" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastNonGuarantorSubsidiariesMember" xlink:label="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4072" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4071" xlink:to="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4072" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4073" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EliminationAndConsolidationAdjustmentsMember" xlink:label="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4074" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4073" xlink:to="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4074" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4057" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueOctober2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4058" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4057" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4058" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4059" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member" xlink:label="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4060" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4059" xlink:to="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4060" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4061" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueNovember2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4062" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4061" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4062" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4051" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4052" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4051" xlink:to="Locator_us-gaap_DerivativeByNatureAxis_4052" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4053" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4054" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeByNatureAxis_4053" xlink:to="Locator_us-gaap_DerivativeNameDomain_4054" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4055" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4056" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeNameDomain_4055" xlink:to="Locator_us-gaap_DebtMember_4056" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_3959" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_3960" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_3959" xlink:to="Locator_us-gaap_StatementTable_3960" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/CondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfIncomeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4183" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4184" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4183" xlink:to="Locator_us-gaap_StatementLineItems_4184" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4111" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="Locator_us-gaap_NetIncomeLoss_4112" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4111" xlink:to="Locator_us-gaap_NetIncomeLoss_4112" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4105" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="Locator_us-gaap_IncomeTaxExpenseBenefit_4106" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4105" xlink:to="Locator_us-gaap_IncomeTaxExpenseBenefit_4106" order="15.0" preferredLabel="http://www.xbrl.org/2009/role/negatedNetLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4081" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Locator_us-gaap_Revenues_4082" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4081" xlink:to="Locator_us-gaap_Revenues_4082" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4091" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="Locator_us-gaap_OperatingIncomeLoss_4092" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4091" xlink:to="Locator_us-gaap_OperatingIncomeLoss_4092" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4077" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="Locator_us-gaap_SalesRevenueServicesNet_4078" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4077" xlink:to="Locator_us-gaap_SalesRevenueServicesNet_4078" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4079" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ManagementFeesRevenue" xlink:label="Locator_us-gaap_ManagementFeesRevenue_4080" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4079" xlink:to="Locator_us-gaap_ManagementFeesRevenue_4080" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4083" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OperatingExpensesExcludingDepreciationAndAmortization" xlink:label="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_4084" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4083" xlink:to="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_4084" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4085" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Depreciation" xlink:label="Locator_us-gaap_Depreciation_4086" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4085" xlink:to="Locator_us-gaap_Depreciation_4086" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4087" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="Locator_us-gaap_AmortizationOfIntangibleAssets_4088" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4087" xlink:to="Locator_us-gaap_AmortizationOfIntangibleAssets_4088" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4089" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="Locator_us-gaap_CostsAndExpenses_4090" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4089" xlink:to="Locator_us-gaap_CostsAndExpenses_4090" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4093" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="Locator_us-gaap_InterestExpense_4094" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4093" xlink:to="Locator_us-gaap_InterestExpense_4094" order="9.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4095" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeNonoperating" xlink:label="Locator_us-gaap_InvestmentIncomeNonoperating_4096" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4095" xlink:to="Locator_us-gaap_InvestmentIncomeNonoperating_4096" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4097" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_4098" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4097" xlink:to="Locator_us-gaap_IncomeLossFromEquityMethodInvestments_4098" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4099" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="Locator_us-gaap_OtherNonoperatingIncomeExpense_4100" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4099" xlink:to="Locator_us-gaap_OtherNonoperatingIncomeExpense_4100" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4101" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="Locator_us-gaap_NonoperatingIncomeExpense_4102" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4101" xlink:to="Locator_us-gaap_NonoperatingIncomeExpense_4102" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4103" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4104" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4103" xlink:to="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4104" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4107" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="Locator_us-gaap_ProfitLoss_4108" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4107" xlink:to="Locator_us-gaap_ProfitLoss_4108" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4109" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_4110" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4109" xlink:to="Locator_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_4110" order="17.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4185" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4186" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4185" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_4186" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4211" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4212" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_4211" xlink:to="Locator_us-gaap_SegmentDomain_4212" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4199" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4200" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4199" xlink:to="Locator_us-gaap_ParentCompanyMember_4200" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4201" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CcclParentMember" xlink:label="Locator_cmcsa_CcclParentMember_4202" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4201" xlink:to="Locator_cmcsa_CcclParentMember_4202" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4203" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CombinedCchmoParentsMember" xlink:label="Locator_cmcsa_CombinedCchmoParentsMember_4204" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4203" xlink:to="Locator_cmcsa_CombinedCchmoParentsMember_4204" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4205" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsMember" xlink:label="Locator_cmcsa_ComcastHoldingsMember_4206" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4205" xlink:to="Locator_cmcsa_ComcastHoldingsMember_4206" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4207" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastNonGuarantorSubsidiariesMember" xlink:label="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4208" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4207" xlink:to="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4208" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4209" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EliminationAndConsolidationAdjustmentsMember" xlink:label="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4210" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4209" xlink:to="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4210" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4193" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueOctober2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4194" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4193" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4194" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4195" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member" xlink:label="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4196" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4195" xlink:to="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4196" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4197" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueNovember2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4198" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4197" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4198" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4187" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4188" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4187" xlink:to="Locator_us-gaap_DerivativeByNatureAxis_4188" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4189" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4190" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeByNatureAxis_4189" xlink:to="Locator_us-gaap_DerivativeNameDomain_4190" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4191" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4192" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeNameDomain_4191" xlink:to="Locator_us-gaap_DebtMember_4192" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4115" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4116" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4115" xlink:to="Locator_us-gaap_StatementTable_4116" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationCondensedConsolidatingStatementOfCashFlowsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4361" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4362" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4361" xlink:to="Locator_us-gaap_StatementLineItems_4362" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4221" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_4222" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4221" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_4222" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4223" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_4224" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4223" xlink:to="Locator_us-gaap_CashAndCashEquivalentsAtCarryingValue_4224" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4213" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4214" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4213" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4214" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4247" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivities_4248" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4247" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInOperatingActivities_4248" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4215" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4216" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4215" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4216" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4251" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4252" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4251" xlink:to="Locator_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4252" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4253" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="Locator_us-gaap_PaymentsToAcquireIntangibleAssets_4254" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4253" xlink:to="Locator_us-gaap_PaymentsToAcquireIntangibleAssets_4254" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4255" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="Locator_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_4256" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4255" xlink:to="Locator_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_4256" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4257" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="Locator_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_4258" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4257" xlink:to="Locator_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_4258" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4259" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="Locator_us-gaap_PaymentsToAcquireInvestments_4260" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4259" xlink:to="Locator_us-gaap_PaymentsToAcquireInvestments_4260" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4261" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="Locator_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_4262" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4261" xlink:to="Locator_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_4262" order="7.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4263" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivities_4264" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4263" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivities_4264" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4249" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NetTransactionsWithAffiliates" xlink:label="Locator_cmcsa_NetTransactionsWithAffiliates_4250" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4249" xlink:to="Locator_cmcsa_NetTransactionsWithAffiliates_4250" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4217" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4218" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4217" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4218" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4227" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="Locator_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_4228" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4227" xlink:to="Locator_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_4228" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4229" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherDebt" xlink:label="Locator_us-gaap_ProceedsFromOtherDebt_4230" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4229" xlink:to="Locator_us-gaap_ProceedsFromOtherDebt_4230" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4231" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="Locator_us-gaap_RepaymentsOfOtherDebt_4232" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4231" xlink:to="Locator_us-gaap_RepaymentsOfOtherDebt_4232" order="2.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4233" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_4234" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4233" xlink:to="Locator_us-gaap_PaymentsForRepurchaseOfCommonStock_4234" order="3.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4235" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="Locator_us-gaap_PaymentsOfDividends_4236" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4235" xlink:to="Locator_us-gaap_PaymentsOfDividends_4236" order="4.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4237" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="Locator_us-gaap_ProceedsFromIssuanceOfCommonStock_4238" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4237" xlink:to="Locator_us-gaap_ProceedsFromIssuanceOfCommonStock_4238" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4239" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="Locator_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_4240" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4239" xlink:to="Locator_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_4240" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4241" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="Locator_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_4242" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4241" xlink:to="Locator_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_4242" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4243" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivities_4244" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_4243" xlink:to="Locator_us-gaap_NetCashProvidedByUsedInFinancingActivities_4244" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4219" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="Locator_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_4220" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4219" xlink:to="Locator_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_4220" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4363" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4364" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4363" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_4364" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4389" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4390" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_4389" xlink:to="Locator_us-gaap_SegmentDomain_4390" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4377" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4378" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4377" xlink:to="Locator_us-gaap_ParentCompanyMember_4378" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4379" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CcclParentMember" xlink:label="Locator_cmcsa_CcclParentMember_4380" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4379" xlink:to="Locator_cmcsa_CcclParentMember_4380" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4381" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CombinedCchmoParentsMember" xlink:label="Locator_cmcsa_CombinedCchmoParentsMember_4382" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4381" xlink:to="Locator_cmcsa_CombinedCchmoParentsMember_4382" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4383" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsMember" xlink:label="Locator_cmcsa_ComcastHoldingsMember_4384" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4383" xlink:to="Locator_cmcsa_ComcastHoldingsMember_4384" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4385" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastNonGuarantorSubsidiariesMember" xlink:label="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4386" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4385" xlink:to="Locator_cmcsa_ComcastNonGuarantorSubsidiariesMember_4386" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4387" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EliminationAndConsolidationAdjustmentsMember" xlink:label="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4388" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4387" xlink:to="Locator_cmcsa_EliminationAndConsolidationAdjustmentsMember_4388" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4371" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueOctober2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4372" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4371" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_4372" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4373" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member" xlink:label="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4374" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4373" xlink:to="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_4374" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4375" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueNovember2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4376" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_4375" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_4376" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4365" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4366" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4365" xlink:to="Locator_us-gaap_DerivativeByNatureAxis_4366" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_4367" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4368" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeByNatureAxis_4367" xlink:to="Locator_us-gaap_DerivativeNameDomain_4368" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_4369" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_4370" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeNameDomain_4369" xlink:to="Locator_us-gaap_DebtMember_4370" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4245" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4246" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4245" xlink:to="Locator_us-gaap_StatementTable_4246" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DocumentDocumentAndEntityInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4477" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_4478" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4477" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_4478" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_4481" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_4482" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_4481" xlink:to="Locator_us-gaap_ClassOfStockDomain_4482" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_4483" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_4484" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_4483" xlink:to="Locator_us-gaap_CommonClassAMember_4484" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_4485" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_4486" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_4485" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_4486" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_4487" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_4488" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_4487" xlink:to="Locator_us-gaap_CommonClassBMember_4488" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4475" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4476" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4475" xlink:to="Locator_us-gaap_StatementLineItems_4476" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4395" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentType" xlink:label="Locator_dei_DocumentType_4396" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4395" xlink:to="Locator_dei_DocumentType_4396" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4397" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_AmendmentFlag" xlink:label="Locator_dei_AmendmentFlag_4398" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4397" xlink:to="Locator_dei_AmendmentFlag_4398" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4399" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="Locator_dei_DocumentPeriodEndDate_4400" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4399" xlink:to="Locator_dei_DocumentPeriodEndDate_4400" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4401" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="Locator_dei_DocumentFiscalYearFocus_4402" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4401" xlink:to="Locator_dei_DocumentFiscalYearFocus_4402" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4403" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="Locator_dei_DocumentFiscalPeriodFocus_4404" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4403" xlink:to="Locator_dei_DocumentFiscalPeriodFocus_4404" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4405" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_TradingSymbol" xlink:label="Locator_dei_TradingSymbol_4406" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4405" xlink:to="Locator_dei_TradingSymbol_4406" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4407" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityRegistrantName" xlink:label="Locator_dei_EntityRegistrantName_4408" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4407" xlink:to="Locator_dei_EntityRegistrantName_4408" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4409" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="Locator_dei_EntityCentralIndexKey_4410" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4409" xlink:to="Locator_dei_EntityCentralIndexKey_4410" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4411" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="Locator_dei_CurrentFiscalYearEndDate_4412" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4411" xlink:to="Locator_dei_CurrentFiscalYearEndDate_4412" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4413" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityFilerCategory" xlink:label="Locator_dei_EntityFilerCategory_4414" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4413" xlink:to="Locator_dei_EntityFilerCategory_4414" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4415" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="Locator_dei_EntityCommonStockSharesOutstanding_4416" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4415" xlink:to="Locator_dei_EntityCommonStockSharesOutstanding_4416" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4417" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityPublicFloat" xlink:label="Locator_dei_EntityPublicFloat_4418" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4417" xlink:to="Locator_dei_EntityPublicFloat_4418" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4419" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="Locator_dei_EntityCurrentReportingStatus_4420" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4419" xlink:to="Locator_dei_EntityCurrentReportingStatus_4420" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4421" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="Locator_dei_EntityWellKnownSeasonedIssuer_4422" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4421" xlink:to="Locator_dei_EntityWellKnownSeasonedIssuer_4422" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4423" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="Locator_dei_EntityVoluntaryFilers_4424" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4423" xlink:to="Locator_dei_EntityVoluntaryFilers_4424" order="14.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4479" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4480" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4479" xlink:to="Locator_dei_LegalEntityAxis_4480" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4489" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4490" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_4489" xlink:to="Locator_dei_EntityDomain_4490" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4491" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4492" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4491" xlink:to="Locator_us-gaap_ParentCompanyMember_4492" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DocumentAndEntityInformationAbstract" xlink:label="Locator_cmcsa_DocumentAndEntityInformationAbstract_4427" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4428" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_DocumentAndEntityInformationAbstract_4427" xlink:to="Locator_us-gaap_StatementTable_4428" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureOrganizationAndBusiness">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OrganizationAndBusinessAbstract" xlink:label="Locator_cmcsa_OrganizationAndBusinessAbstract_4493" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="Locator_us-gaap_NatureOfOperations_4494" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_OrganizationAndBusinessAbstract_4493" xlink:to="Locator_us-gaap_NatureOfOperations_4494" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPolicies">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4495" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="Locator_us-gaap_SignificantAccountingPoliciesTextBlock_4496" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4495" xlink:to="Locator_us-gaap_SignificantAccountingPoliciesTextBlock_4496" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePropertyAndEquipment">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_4497" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_4498" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_4497" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_4498" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstruments">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4499" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_4500" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4499" xlink:to="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_4500" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlans">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4501" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_4502" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4501" xlink:to="Locator_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_4502" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4503" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="Locator_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_4504" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4503" xlink:to="Locator_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_4504" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxes">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_4505" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="Locator_us-gaap_IncomeTaxDisclosureTextBlock_4506" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_4505" xlink:to="Locator_us-gaap_IncomeTaxDisclosureTextBlock_4506" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_4507" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="Locator_us-gaap_QuarterlyFinancialInformationTextBlock_4508" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_4507" xlink:to="Locator_us-gaap_QuarterlyFinancialInformationTextBlock_4508" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicy">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4509" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="Locator_us-gaap_ConsolidationPolicyTextBlock_4510" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4509" xlink:to="Locator_us-gaap_ConsolidationPolicyTextBlock_4510" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4511" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="Locator_us-gaap_CashAndCashEquivalentsPolicyTextBlock_4512" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4511" xlink:to="Locator_us-gaap_CashAndCashEquivalentsPolicyTextBlock_4512" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4513" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="Locator_us-gaap_UseOfEstimates_4514" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4513" xlink:to="Locator_us-gaap_UseOfEstimates_4514" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4515" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsPolicyTextBlock" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsPolicyTextBlock_4516" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4515" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsPolicyTextBlock_4516" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4517" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="Locator_us-gaap_InvestmentPolicyTextBlock_4518" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4517" xlink:to="Locator_us-gaap_InvestmentPolicyTextBlock_4518" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4519" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_4520" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4519" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_4520" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4521" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="Locator_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_4522" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4521" xlink:to="Locator_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_4522" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4523" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock" xlink:label="Locator_us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock_4524" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4523" xlink:to="Locator_us-gaap_AssetRetirementObligationsAndEnvironmentalCostPolicyTextBlock_4524" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4525" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="Locator_us-gaap_RevenueRecognitionPolicyTextBlock_4526" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4525" xlink:to="Locator_us-gaap_RevenueRecognitionPolicyTextBlock_4526" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4527" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsProgrammingExpensesPolicyTextBlock" xlink:label="Locator_cmcsa_CableCommunicationsProgrammingExpensesPolicyTextBlock_4528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4527" xlink:to="Locator_cmcsa_CableCommunicationsProgrammingExpensesPolicyTextBlock_4528" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost" xlink:label="Locator_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_4530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4529" xlink:to="Locator_us-gaap_AdvertisingCostPolicyExpensedAdvertisingCost_4530" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4531" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="Locator_us-gaap_CompensationRelatedCostsPolicyTextBlock_4532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4531" xlink:to="Locator_us-gaap_CompensationRelatedCostsPolicyTextBlock_4532" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4533" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementPlansPolicy_4534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4533" xlink:to="Locator_us-gaap_PensionAndOtherPostretirementPlansPolicy_4534" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="Locator_us-gaap_IncomeTaxPolicyTextBlock_4536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4535" xlink:to="Locator_us-gaap_IncomeTaxPolicyTextBlock_4536" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4537" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="Locator_us-gaap_DerivativesPolicyTextBlock_4538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4537" xlink:to="Locator_us-gaap_DerivativesPolicyTextBlock_4538" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4539" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="Locator_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_4540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4539" xlink:to="Locator_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_4540" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4541" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ReclassificationsOfPriorYearAmountsPolicyTextBlock" xlink:label="Locator_cmcsa_ReclassificationsOfPriorYearAmountsPolicyTextBlock_4542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4541" xlink:to="Locator_cmcsa_ReclassificationsOfPriorYearAmountsPolicyTextBlock_4542" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEarningsPerShareTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="Locator_us-gaap_EarningsPerShareAbstract_4543" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock" xlink:label="Locator_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock_4544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EarningsPerShareAbstract_4543" xlink:to="Locator_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock_4544" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4573" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4574" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4573" xlink:to="Locator_us-gaap_StatementLineItems_4574" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4549" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock_4550" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4549" xlink:to="Locator_us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock_4550" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4551" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ContingentConsiderationTableTextBlock" xlink:label="Locator_cmcsa_ContingentConsiderationTableTextBlock_4552" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4551" xlink:to="Locator_cmcsa_ContingentConsiderationTableTextBlock_4552" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4553" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_Scheduleofacquisitionrelatedexpensesincludedinconsolidatedstatementofincometabletextblock" xlink:label="Locator_cmcsa_Scheduleofacquisitionrelatedexpensesincludedinconsolidatedstatementofincometabletextblock_4554" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4553" xlink:to="Locator_cmcsa_Scheduleofacquisitionrelatedexpensesincludedinconsolidatedstatementofincometabletextblock_4554" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4555" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="Locator_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_4556" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4555" xlink:to="Locator_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_4556" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4575" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4576" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4575" xlink:to="Locator_dei_LegalEntityAxis_4576" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4577" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4578" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_4577" xlink:to="Locator_dei_EntityDomain_4578" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4581" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_4582" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4581" xlink:to="Locator_cmcsa_NbcuniversalMember_4582" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4579" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_4580" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4579" xlink:to="Locator_cmcsa_UniversalOrlandoMember_4580" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionsAndOtherSignificantEventsAbstract" xlink:label="Locator_cmcsa_AcquisitionsAndOtherSignificantEventsAbstract_4545" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionsAndOtherSignificantEventsAbstract_4545" xlink:to="Locator_us-gaap_StatementTable_4546" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_4583" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InvestmentSummaryTableTextBlock" xlink:label="Locator_cmcsa_InvestmentSummaryTableTextBlock_4584" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_4583" xlink:to="Locator_cmcsa_InvestmentSummaryTableTextBlock_4584" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_4585" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_4586" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_4585" xlink:to="Locator_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock_4586" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_4587" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComponentsOfInvestmentIncomeLossNetTableTextBlock" xlink:label="Locator_cmcsa_ComponentsOfInvestmentIncomeLossNetTableTextBlock_4588" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_4587" xlink:to="Locator_cmcsa_ComponentsOfInvestmentIncomeLossNetTableTextBlock_4588" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePropertyAndEquipmentTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_4589" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="Locator_us-gaap_PropertyPlantAndEquipmentTextBlock_4590" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PropertyPlantAndEquipmentAbstract_4589" xlink:to="Locator_us-gaap_PropertyPlantAndEquipmentTextBlock_4590" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureGoodwillAndOtherIntangibleAssetsTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="Locator_us-gaap_ScheduleOfGoodwillTextBlock_4592" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4591" xlink:to="Locator_us-gaap_ScheduleOfGoodwillTextBlock_4592" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4593" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="Locator_us-gaap_IntangibleAssetsDisclosureTextBlock_4594" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4593" xlink:to="Locator_us-gaap_IntangibleAssetsDisclosureTextBlock_4594" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4595" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="Locator_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_4596" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4595" xlink:to="Locator_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_4596" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureLongTermDebtTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4645" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4646" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4645" xlink:to="Locator_us-gaap_StatementLineItems_4646" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4601" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfDebtTableTextBlock_4602" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4601" xlink:to="Locator_us-gaap_ScheduleOfDebtTableTextBlock_4602" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4603" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_4604" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4603" xlink:to="Locator_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_4604" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4605" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtBorrowingsTableTextBlock" xlink:label="Locator_cmcsa_DebtBorrowingsTableTextBlock_4606" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4605" xlink:to="Locator_cmcsa_DebtBorrowingsTableTextBlock_4606" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4607" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DebtRepaymentsAndRepurchasesTableTextBlock" xlink:label="Locator_cmcsa_DebtRepaymentsAndRepurchasesTableTextBlock_4608" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4607" xlink:to="Locator_cmcsa_DebtRepaymentsAndRepurchasesTableTextBlock_4608" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4609" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ChangeInCarryingValueOfDebtComponentAndChangeInFairValueOfDerivativeComponentTableTextBlock" xlink:label="Locator_cmcsa_ChangeInCarryingValueOfDebtComponentAndChangeInFairValueOfDerivativeComponentTableTextBlock_4610" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4609" xlink:to="Locator_cmcsa_ChangeInCarryingValueOfDebtComponentAndChangeInFairValueOfDerivativeComponentTableTextBlock_4610" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4647" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_4648" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4647" xlink:to="Locator_us-gaap_DebtInstrumentAxis_4648" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="Locator_us-gaap_DebtInstrumentAxis_4651" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_4652" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentAxis_4651" xlink:to="Locator_us-gaap_DebtInstrumentNameDomain_4652" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_4653" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_4654" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_4653" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf515NotesDue2020Member_4654" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="Locator_us-gaap_DebtInstrumentNameDomain_4655" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member" xlink:label="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_4656" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtInstrumentNameDomain_4655" xlink:to="Locator_cmcsa_PrincipalAmountIssuedOf64NotesDue2040Member_4656" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4649" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_4650" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4649" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_4650" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_4657" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_4658" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_4657" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_4658" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_4659" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_4660" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_4659" xlink:to="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_4660" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember" xlink:label="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_4661" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_4662" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_TradingAssetsExcludingDebtAndEquitySecuritiesMember_4661" xlink:to="Locator_us-gaap_DerivativeMember_4662" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeMember" xlink:label="Locator_us-gaap_DerivativeMember_4663" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_4664" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeMember_4663" xlink:to="Locator_us-gaap_SwapMember_4664" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_4665" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_4666" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_4665" xlink:to="Locator_us-gaap_InterestRateSwapMember_4666" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAbstract" xlink:label="Locator_us-gaap_LongTermDebtAbstract_4613" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4614" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_LongTermDebtAbstract_4613" xlink:to="Locator_us-gaap_StatementTable_4614" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureDerivativeFinancialInstrumentsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4667" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SummaryInterestRateSwapsTermsTableTextBlock" xlink:label="Locator_cmcsa_SummaryInterestRateSwapsTermsTableTextBlock_4668" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4667" xlink:to="Locator_cmcsa_SummaryInterestRateSwapsTermsTableTextBlock_4668" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4669" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AmountOfGainLossRecognizedInIncomeFairValueHedgesTableTextBlock" xlink:label="Locator_cmcsa_AmountOfGainLossRecognizedInIncomeFairValueHedgesTableTextBlock_4670" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4669" xlink:to="Locator_cmcsa_AmountOfGainLossRecognizedInIncomeFairValueHedgesTableTextBlock_4670" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4671" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4671" xlink:to="Locator_us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4672" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4673" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AmountOfGainLossRecognizedInIncomeNondesignatedTableTextBlock" xlink:label="Locator_cmcsa_AmountOfGainLossRecognizedInIncomeNondesignatedTableTextBlock_4674" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_4673" xlink:to="Locator_cmcsa_AmountOfGainLossRecognizedInIncomeNondesignatedTableTextBlock_4674" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFairValueMeasurementsTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueMeasurementsAbstract" xlink:label="Locator_cmcsa_FairValueMeasurementsAbstract_4675" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTextBlock" xlink:label="Locator_cmcsa_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTextBlock_4676" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FairValueMeasurementsAbstract_4675" xlink:to="Locator_cmcsa_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTextBlock_4676" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureNoncontrollingInterestsTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NoncontrollingInterestsAbstract" xlink:label="Locator_cmcsa_NoncontrollingInterestsAbstract_4677" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ChangesInEquityResultingFromNetIncomeAttributableToParentAndTransfersToOrFromNoncontrollingInterestsTextBlock" xlink:label="Locator_cmcsa_ChangesInEquityResultingFromNetIncomeAttributableToParentAndTransfersToOrFromNoncontrollingInterestsTextBlock_4678" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_NoncontrollingInterestsAbstract_4677" xlink:to="Locator_cmcsa_ChangesInEquityResultingFromNetIncomeAttributableToParentAndTransfersToOrFromNoncontrollingInterestsTextBlock_4678" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4679" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedInformationOnOurPostretirementAndPensionBenefitPlansTextBlock" xlink:label="Locator_cmcsa_CondensedInformationOnOurPostretirementAndPensionBenefitPlansTextBlock_4680" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4679" xlink:to="Locator_cmcsa_CondensedInformationOnOurPostretirementAndPensionBenefitPlansTextBlock_4680" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4681" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_4682" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4681" xlink:to="Locator_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_4682" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4683" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_4684" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4683" xlink:to="Locator_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock_4684" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4685" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedInformationOnOurPensionBenefitPlansTextBlock" xlink:label="Locator_cmcsa_CondensedInformationOnOurPensionBenefitPlansTextBlock_4686" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4685" xlink:to="Locator_cmcsa_CondensedInformationOnOurPensionBenefitPlansTextBlock_4686" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4687" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredCompensationPlansTextBlock" xlink:label="Locator_cmcsa_DeferredCompensationPlansTextBlock_4688" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4687" xlink:to="Locator_cmcsa_DeferredCompensationPlansTextBlock_4688" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4689" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsTextBlock" xlink:label="Locator_cmcsa_ScheduleOfBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsTextBlock_4690" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4689" xlink:to="Locator_cmcsa_ScheduleOfBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsTextBlock_4690" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureEquityTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_4691" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AggregateShareRepurchasesTextBlock" xlink:label="Locator_cmcsa_AggregateShareRepurchasesTextBlock_4692" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_4691" xlink:to="Locator_cmcsa_AggregateShareRepurchasesTextBlock_4692" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_4693" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ChangesInCommonStockTextBlock" xlink:label="Locator_cmcsa_ChangesInCommonStockTextBlock_4694" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_4693" xlink:to="Locator_cmcsa_ChangesInCommonStockTextBlock_4694" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_4695" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfDividendsTextBlock" xlink:label="Locator_cmcsa_ScheduleOfDividendsTextBlock_4696" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_4695" xlink:to="Locator_cmcsa_ScheduleOfDividendsTextBlock_4696" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityAbstract" xlink:label="Locator_us-gaap_EquityAbstract_4697" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4698" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_EquityAbstract_4697" xlink:to="Locator_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_4698" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4699" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RecognizedShareBasedCompensationExpenseTextBlock" xlink:label="Locator_cmcsa_RecognizedShareBasedCompensationExpenseTextBlock_4700" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4699" xlink:to="Locator_cmcsa_RecognizedShareBasedCompensationExpenseTextBlock_4700" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4701" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionFairValueAndSignificantAssumptionsTextBlock" xlink:label="Locator_cmcsa_StockOptionFairValueAndSignificantAssumptionsTextBlock_4702" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4701" xlink:to="Locator_cmcsa_StockOptionFairValueAndSignificantAssumptionsTextBlock_4702" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4703" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionActivityTextBlock" xlink:label="Locator_cmcsa_StockOptionActivityTextBlock_4704" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4703" xlink:to="Locator_cmcsa_StockOptionActivityTextBlock_4704" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4705" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExercisedStockOptionsTextBlock" xlink:label="Locator_cmcsa_ExercisedStockOptionsTextBlock_4706" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4705" xlink:to="Locator_cmcsa_ExercisedStockOptionsTextBlock_4706" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4707" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_WeightedAverageFairValueOfRestrictedStockUnitsTextBlock" xlink:label="Locator_cmcsa_WeightedAverageFairValueOfRestrictedStockUnitsTextBlock_4708" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4707" xlink:to="Locator_cmcsa_WeightedAverageFairValueOfRestrictedStockUnitsTextBlock_4708" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4709" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RestrictedStockPlanActivityTextBlock" xlink:label="Locator_cmcsa_RestrictedStockPlanActivityTextBlock_4710" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4709" xlink:to="Locator_cmcsa_RestrictedStockPlanActivityTextBlock_4710" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4711" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VestedRestrictedShareUnitsTextBlock" xlink:label="Locator_cmcsa_VestedRestrictedShareUnitsTextBlock_4712" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4711" xlink:to="Locator_cmcsa_VestedRestrictedShareUnitsTextBlock_4712" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_4713" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_4714" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_4713" xlink:to="Locator_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_4714" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_4715" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_4716" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_4715" xlink:to="Locator_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_4716" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_4717" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_4718" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_4717" xlink:to="Locator_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_4718" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_4719" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="Locator_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_4720" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_4719" xlink:to="Locator_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_4720" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_4721" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_4722" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_4721" xlink:to="Locator_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_4722" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_4723" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock" xlink:label="Locator_us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock_4724" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_4723" xlink:to="Locator_us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock_4724" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_4725" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_4726" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_4725" xlink:to="Locator_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock_4726" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCommitmentsAndContingenciesTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_4727" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsDisclosureTextBlock" xlink:label="Locator_us-gaap_CommitmentsDisclosureTextBlock_4728" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_4727" xlink:to="Locator_us-gaap_CommitmentsDisclosureTextBlock_4728" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CommitmentsAndContingenciesAbstract" xlink:label="Locator_cmcsa_CommitmentsAndContingenciesAbstract_4729" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RentalExpenseTableTextBlock" xlink:label="Locator_cmcsa_RentalExpenseTableTextBlock_4730" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CommitmentsAndContingenciesAbstract_4729" xlink:to="Locator_cmcsa_RentalExpenseTableTextBlock_4730" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFinancialDataByBusinessSegmentTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FinancialDataByBusinessSegmentAbstract" xlink:label="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4731" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="Locator_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_4732" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4731" xlink:to="Locator_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_4732" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FinancialDataByBusinessSegmentAbstract" xlink:label="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4733" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableSegmentRevenueSourcesTextBlock" xlink:label="Locator_cmcsa_CableSegmentRevenueSourcesTextBlock_4734" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4733" xlink:to="Locator_cmcsa_CableSegmentRevenueSourcesTextBlock_4734" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FinancialDataByBusinessSegmentAbstract" xlink:label="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4735" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableSegmentAndCorporateAndOtherReclassificationTextBlock" xlink:label="Locator_cmcsa_CableSegmentAndCorporateAndOtherReclassificationTextBlock_4736" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FinancialDataByBusinessSegmentAbstract_4735" xlink:to="Locator_cmcsa_CableSegmentAndCorporateAndOtherReclassificationTextBlock_4736" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureQuarterlyFinancialInformationTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="Locator_us-gaap_QuarterlyFinancialDataAbstract_4737" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="Locator_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_4738" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_QuarterlyFinancialDataAbstract_4737" xlink:to="Locator_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_4738" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4739" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfCondensedConsolidatingBalanceSheetTextBlock" xlink:label="Locator_cmcsa_ScheduleOfCondensedConsolidatingBalanceSheetTextBlock_4740" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4739" xlink:to="Locator_cmcsa_ScheduleOfCondensedConsolidatingBalanceSheetTextBlock_4740" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4741" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfCondensedConsolidatingStatementOfOperationsTextBlock" xlink:label="Locator_cmcsa_ScheduleOfCondensedConsolidatingStatementOfOperationsTextBlock_4742" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4741" xlink:to="Locator_cmcsa_ScheduleOfCondensedConsolidatingStatementOfOperationsTextBlock_4742" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4743" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTextBlock" xlink:label="Locator_cmcsa_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTextBlock_4744" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_4743" xlink:to="Locator_cmcsa_ScheduleOfCondensedConsolidatingStatementOfCashFlowsTextBlock_4744" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureOrganizationAndBusinessDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4817" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4818" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4817" xlink:to="Locator_us-gaap_StatementLineItems_4818" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4749" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OwnershipPercentageInNewCompany" xlink:label="Locator_cmcsa_OwnershipPercentageInNewCompany_4750" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4749" xlink:to="Locator_cmcsa_OwnershipPercentageInNewCompany_4750" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4747" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfCustomers" xlink:label="Locator_cmcsa_NumberOfCustomers_4748" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4747" xlink:to="Locator_cmcsa_NumberOfCustomers_4748" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4751" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfRegionalSportsAndNewsNetworks" xlink:label="Locator_cmcsa_NumberOfRegionalSportsAndNewsNetworks_4752" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4751" xlink:to="Locator_cmcsa_NumberOfRegionalSportsAndNewsNetworks_4752" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4821" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4822" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4821" xlink:to="Locator_dei_LegalEntityAxis_4822" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4823" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4824" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_4823" xlink:to="Locator_dei_EntityDomain_4824" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4825" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4826" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4825" xlink:to="Locator_us-gaap_ParentCompanyMember_4826" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4829" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GeMember" xlink:label="Locator_cmcsa_GeMember_4830" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4829" xlink:to="Locator_cmcsa_GeMember_4830" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4827" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_4828" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4827" xlink:to="Locator_cmcsa_NbcuniversalMember_4828" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4819" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4820" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4819" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_4820" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4871" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4872" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_4871" xlink:to="Locator_us-gaap_SegmentDomain_4872" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4835" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BroadcastTelevisionMember" xlink:label="Locator_cmcsa_BroadcastTelevisionMember_4836" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4835" xlink:to="Locator_cmcsa_BroadcastTelevisionMember_4836" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4837" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmedEntertainmentMember" xlink:label="Locator_cmcsa_FilmedEntertainmentMember_4838" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4837" xlink:to="Locator_cmcsa_FilmedEntertainmentMember_4838" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4839" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ThemeParksMember" xlink:label="Locator_cmcsa_ThemeParksMember_4840" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4839" xlink:to="Locator_cmcsa_ThemeParksMember_4840" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4831" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsMember" xlink:label="Locator_cmcsa_CableCommunicationsMember_4832" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4831" xlink:to="Locator_cmcsa_CableCommunicationsMember_4832" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4833" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableNetworksMember" xlink:label="Locator_cmcsa_CableNetworksMember_4834" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4833" xlink:to="Locator_cmcsa_CableNetworksMember_4834" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4845" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CorporateAndOtherMember" xlink:label="Locator_cmcsa_CorporateAndOtherMember_4846" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4845" xlink:to="Locator_cmcsa_CorporateAndOtherMember_4846" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4841" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_HeadquartersAndOtherMember" xlink:label="Locator_cmcsa_HeadquartersAndOtherMember_4842" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4841" xlink:to="Locator_cmcsa_HeadquartersAndOtherMember_4842" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4843" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalEliminationsMember" xlink:label="Locator_cmcsa_NbcuniversalEliminationsMember_4844" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4843" xlink:to="Locator_cmcsa_NbcuniversalEliminationsMember_4844" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4847" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_EliminationsMember" xlink:label="Locator_cmcsa_EliminationsMember_4848" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4847" xlink:to="Locator_cmcsa_EliminationsMember_4848" order="8.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4851" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember_4852" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4851" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageVideoMember_4852" order="10.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4853" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember_4854" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4853" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageHighSpeedInternetMember_4854" order="11.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4855" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember_4856" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4855" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentagePhoneMember_4856" order="12.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4857" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember_4858" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4857" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageAdvertisingMember_4858" order="13.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4859" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember_4860" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4859" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageBusinessServicesMember_4860" order="14.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4861" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember_4862" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4861" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageOtherMember_4862" order="15.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4863" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember_4864" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4863" xlink:to="Locator_cmcsa_CableCommunicationsSegmentRevenuePercentageFranchiseFeesMember_4864" order="16.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4849" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsSegmentAndCorporateAndOtherReclassificationMember" xlink:label="Locator_cmcsa_CableCommunicationsSegmentAndCorporateAndOtherReclassificationMember_4850" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4849" xlink:to="Locator_cmcsa_CableCommunicationsSegmentAndCorporateAndOtherReclassificationMember_4850" order="9.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4865" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_VideoCustomersMember" xlink:label="Locator_cmcsa_VideoCustomersMember_4866" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4865" xlink:to="Locator_cmcsa_VideoCustomersMember_4866" order="17.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4867" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_HighSpeedInternetCustomersMember" xlink:label="Locator_cmcsa_HighSpeedInternetCustomersMember_4868" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4867" xlink:to="Locator_cmcsa_HighSpeedInternetCustomersMember_4868" order="18.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4869" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PhoneCustomersMember" xlink:label="Locator_cmcsa_PhoneCustomersMember_4870" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4869" xlink:to="Locator_cmcsa_PhoneCustomersMember_4870" order="19.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OrganizationAndBusinessAbstract" xlink:label="Locator_cmcsa_OrganizationAndBusinessAbstract_4755" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4756" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_OrganizationAndBusinessAbstract_4755" xlink:to="Locator_us-gaap_StatementTable_4756" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4883" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4883" xlink:to="Locator_us-gaap_StatementLineItems_4884" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4885" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4886" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4885" xlink:to="Locator_dei_LegalEntityAxis_4886" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4887" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4888" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_4887" xlink:to="Locator_dei_EntityDomain_4888" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4889" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4890" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4889" xlink:to="Locator_us-gaap_ParentCompanyMember_4890" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="Locator_us-gaap_AccountingPoliciesAbstract_4873" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4874" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AccountingPoliciesAbstract_4873" xlink:to="Locator_us-gaap_StatementTable_4874" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/GoodwillAndOtherIntangibleAssetsAmortizationOfIntangibleAssetsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4925" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4926" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4925" xlink:to="Locator_us-gaap_StatementLineItems_4926" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4891" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="Locator_us-gaap_FutureAmortizationExpenseYearOne_4892" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4891" xlink:to="Locator_us-gaap_FutureAmortizationExpenseYearOne_4892" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4893" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="Locator_us-gaap_FutureAmortizationExpenseYearTwo_4894" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4893" xlink:to="Locator_us-gaap_FutureAmortizationExpenseYearTwo_4894" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4895" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="Locator_us-gaap_FutureAmortizationExpenseYearThree_4896" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4895" xlink:to="Locator_us-gaap_FutureAmortizationExpenseYearThree_4896" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4897" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="Locator_us-gaap_FutureAmortizationExpenseYearFour_4898" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4897" xlink:to="Locator_us-gaap_FutureAmortizationExpenseYearFour_4898" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4899" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="Locator_us-gaap_FutureAmortizationExpenseYearFive_4900" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4899" xlink:to="Locator_us-gaap_FutureAmortizationExpenseYearFive_4900" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4927" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4928" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4927" xlink:to="Locator_us-gaap_StatementBusinessSegmentsAxis_4928" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="Locator_us-gaap_StatementBusinessSegmentsAxis_4935" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4936" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementBusinessSegmentsAxis_4935" xlink:to="Locator_us-gaap_SegmentDomain_4936" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4929" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsMember" xlink:label="Locator_cmcsa_CableCommunicationsMember_4930" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4929" xlink:to="Locator_cmcsa_CableCommunicationsMember_4930" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4931" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableNetworksMember" xlink:label="Locator_cmcsa_CableNetworksMember_4932" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4931" xlink:to="Locator_cmcsa_CableNetworksMember_4932" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="Locator_us-gaap_SegmentDomain_4933" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CorporateAndOtherMember" xlink:label="Locator_cmcsa_CorporateAndOtherMember_4934" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SegmentDomain_4933" xlink:to="Locator_cmcsa_CorporateAndOtherMember_4934" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillAndOtherIntangibleAssetsAbstract" xlink:label="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4903" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4904" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_GoodwillAndOtherIntangibleAssetsAbstract_4903" xlink:to="Locator_us-gaap_StatementTable_4904" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/PostretirementPensionAndOtherEmployeeBenefitPlansBenefitObligationAndExpenseForOurSplitDollarLifeInsuranceAgreementsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4955" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4956" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4955" xlink:to="Locator_us-gaap_StatementLineItems_4956" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4937" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SplitDollarLifeInsuranceAgreementsBenefitObligation" xlink:label="Locator_cmcsa_SplitDollarLifeInsuranceAgreementsBenefitObligation_4938" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4937" xlink:to="Locator_cmcsa_SplitDollarLifeInsuranceAgreementsBenefitObligation_4938" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4939" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SplitDollarLifeInsuranceAgreementExpense" xlink:label="Locator_cmcsa_SplitDollarLifeInsuranceAgreementExpense_4940" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4939" xlink:to="Locator_cmcsa_SplitDollarLifeInsuranceAgreementExpense_4940" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4957" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4958" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_4957" xlink:to="Locator_dei_LegalEntityAxis_4958" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_4959" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4960" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_4959" xlink:to="Locator_dei_EntityDomain_4960" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_4961" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_4962" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_4961" xlink:to="Locator_us-gaap_ParentCompanyMember_4962" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4943" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4944" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_4943" xlink:to="Locator_us-gaap_StatementTable_4944" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureShareBasedCompensationNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5065" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_5066" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5065" xlink:to="Locator_us-gaap_StatementClassOfStockAxis_5066" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="Locator_us-gaap_StatementClassOfStockAxis_5071" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_5072" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementClassOfStockAxis_5071" xlink:to="Locator_us-gaap_ClassOfStockDomain_5072" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_5073" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="Locator_us-gaap_CommonClassAMember_5074" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_5073" xlink:to="Locator_us-gaap_CommonClassAMember_5074" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_5075" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ClassASpecialCommonStockMember" xlink:label="Locator_cmcsa_ClassASpecialCommonStockMember_5076" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_5075" xlink:to="Locator_cmcsa_ClassASpecialCommonStockMember_5076" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="Locator_us-gaap_ClassOfStockDomain_5077" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="Locator_us-gaap_CommonClassBMember_5078" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ClassOfStockDomain_5077" xlink:to="Locator_us-gaap_CommonClassBMember_5078" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5063" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5064" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5063" xlink:to="Locator_us-gaap_StatementLineItems_5064" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4981" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_4982" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4981" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_4982" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4965" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="Locator_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_4966" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4965" xlink:to="Locator_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_4966" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4967" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition" xlink:label="Locator_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition_4968" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4967" xlink:to="Locator_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition_4968" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4969" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExcessCashIncomeTaxBenefit" xlink:label="Locator_cmcsa_ExcessCashIncomeTaxBenefit_4970" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4969" xlink:to="Locator_cmcsa_ExcessCashIncomeTaxBenefit_4970" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4971" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating_4972" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4971" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating_4972" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4973" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionLiquidityProgramExpirationDating" xlink:label="Locator_cmcsa_StockOptionLiquidityProgramExpirationDating_4974" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4973" xlink:to="Locator_cmcsa_StockOptionLiquidityProgramExpirationDating_4974" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4975" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodMaximum" xlink:label="Locator_cmcsa_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodMaximum_4976" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4975" xlink:to="Locator_cmcsa_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriodMaximum_4976" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4977" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="Locator_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_4978" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4977" xlink:to="Locator_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_4978" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4979" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_4980" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4979" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod_4980" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4983" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_4984" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4983" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_4984" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4985" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionLiquidityProgramOutstandingNumber" xlink:label="Locator_cmcsa_StockOptionLiquidityProgramOutstandingNumber_4986" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4985" xlink:to="Locator_cmcsa_StockOptionLiquidityProgramOutstandingNumber_4986" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4987" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NumberOfEntitledCommonStockSharesForEachRestrictedShareUnitAtTimeOfVesting" xlink:label="Locator_cmcsa_NumberOfEntitledCommonStockSharesForEachRestrictedShareUnitAtTimeOfVesting_4988" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4987" xlink:to="Locator_cmcsa_NumberOfEntitledCommonStockSharesForEachRestrictedShareUnitAtTimeOfVesting_4988" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4989" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ShareBasedCompensationArrangementsByShareBasedPaymentAwardDiscountFromMarketPrice" xlink:label="Locator_cmcsa_ShareBasedCompensationArrangementsByShareBasedPaymentAwardDiscountFromMarketPrice_4990" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4989" xlink:to="Locator_cmcsa_ShareBasedCompensationArrangementsByShareBasedPaymentAwardDiscountFromMarketPrice_4990" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4991" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionLiquidityProgramOutstandingWeightedAverageExercisePrice" xlink:label="Locator_cmcsa_StockOptionLiquidityProgramOutstandingWeightedAverageExercisePrice_4992" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4991" xlink:to="Locator_cmcsa_StockOptionLiquidityProgramOutstandingWeightedAverageExercisePrice_4992" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_4993" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions" xlink:label="Locator_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_4994" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_4993" xlink:to="Locator_us-gaap_EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions_4994" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5069" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5070" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5069" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5070" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5091" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5092" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_5091" xlink:to="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5092" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5093" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="Locator_us-gaap_StockOptionsMember_5094" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5093" xlink:to="Locator_us-gaap_StockOptionsMember_5094" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5095" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="Locator_us-gaap_RestrictedStockMember_5096" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5095" xlink:to="Locator_us-gaap_RestrictedStockMember_5096" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5097" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="Locator_us-gaap_EmployeeStockMember_5098" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_AntidilutiveSecuritiesNameDomain_5097" xlink:to="Locator_us-gaap_EmployeeStockMember_5098" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5067" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_5068" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5067" xlink:to="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_5068" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_5079" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5080" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis_5079" xlink:to="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5080" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5083" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExercisedStockOptionsMember" xlink:label="Locator_cmcsa_ExercisedStockOptionsMember_5084" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5083" xlink:to="Locator_cmcsa_ExercisedStockOptionsMember_5084" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5081" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OptionPlansMember" xlink:label="Locator_cmcsa_OptionPlansMember_5082" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5081" xlink:to="Locator_cmcsa_OptionPlansMember_5082" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5087" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_RestrictedStockPlanMember" xlink:label="Locator_cmcsa_RestrictedStockPlanMember_5088" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5087" xlink:to="Locator_cmcsa_RestrictedStockPlanMember_5088" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5085" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredStockOptionPlanMember" xlink:label="Locator_cmcsa_DeferredStockOptionPlanMember_5086" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5085" xlink:to="Locator_cmcsa_DeferredStockOptionPlanMember_5086" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5089" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_StockOptionLiquidityProgramMember" xlink:label="Locator_cmcsa_StockOptionLiquidityProgramMember_5090" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5089" xlink:to="Locator_cmcsa_StockOptionLiquidityProgramMember_5090" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationAbstract" xlink:label="Locator_us-gaap_ShareBasedCompensationAbstract_4997" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_4998" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ShareBasedCompensationAbstract_4997" xlink:to="Locator_us-gaap_StatementTable_4998" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureIncomeTaxesNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5167" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5168" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5167" xlink:to="Locator_us-gaap_StatementLineItems_5168" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5101" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_5102" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5101" xlink:to="Locator_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_5102" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5103" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityOther" xlink:label="Locator_us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityOther_5104" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5103" xlink:to="Locator_us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityOther_5104" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5105" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="Locator_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_5106" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5105" xlink:to="Locator_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_5106" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5107" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DeferredTaxLiabilityFranchiseRights" xlink:label="Locator_cmcsa_DeferredTaxLiabilityFranchiseRights_5108" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5107" xlink:to="Locator_cmcsa_DeferredTaxLiabilityFranchiseRights_5108" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5109" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic" xlink:label="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_5110" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5109" xlink:to="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_5110" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5111" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign" xlink:label="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_5112" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5111" xlink:to="Locator_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign_5112" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5113" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="Locator_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_5114" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5113" xlink:to="Locator_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_5114" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5115" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_5116" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5115" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_5116" order="7.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5117" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" xlink:label="Locator_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_5118" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5117" xlink:to="Locator_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_5118" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5171" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5172" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5171" xlink:to="Locator_dei_LegalEntityAxis_5172" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5187" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5188" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_5187" xlink:to="Locator_dei_EntityDomain_5188" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5189" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_5190" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5189" xlink:to="Locator_us-gaap_ParentCompanyMember_5190" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5193" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_5194" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5193" xlink:to="Locator_cmcsa_NbcuniversalMember_5194" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5191" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FranchiseRightsMember" xlink:label="Locator_us-gaap_FranchiseRightsMember_5192" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5191" xlink:to="Locator_us-gaap_FranchiseRightsMember_5192" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5169" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_5170" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5169" xlink:to="Locator_cmcsa_TaxAdjustmentsAxis_5170" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsAxis" xlink:label="Locator_cmcsa_TaxAdjustmentsAxis_5173" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5174" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsAxis_5173" xlink:to="Locator_cmcsa_TaxAdjustmentsDomain_5174" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5175" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherLongTermLiabilitiesMember" xlink:label="Locator_cmcsa_OtherLongTermLiabilitiesMember_5176" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5175" xlink:to="Locator_cmcsa_OtherLongTermLiabilitiesMember_5176" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5177" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GoodwillMember" xlink:label="Locator_cmcsa_GoodwillMember_5178" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5177" xlink:to="Locator_cmcsa_GoodwillMember_5178" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5179" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_IncomeTaxExpenseMember" xlink:label="Locator_cmcsa_IncomeTaxExpenseMember_5180" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5179" xlink:to="Locator_cmcsa_IncomeTaxExpenseMember_5180" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5181" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeMember" xlink:label="Locator_us-gaap_OtherComprehensiveIncomeMember_5182" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5181" xlink:to="Locator_us-gaap_OtherComprehensiveIncomeMember_5182" order="3.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5183" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="Locator_us-gaap_AdditionalPaidInCapitalMember_5184" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5183" xlink:to="Locator_us-gaap_AdditionalPaidInCapitalMember_5184" order="4.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TaxAdjustmentsDomain" xlink:label="Locator_cmcsa_TaxAdjustmentsDomain_5185" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ShareBasedCompensationMember" xlink:label="Locator_cmcsa_ShareBasedCompensationMember_5186" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_TaxAdjustmentsDomain_5185" xlink:to="Locator_cmcsa_ShareBasedCompensationMember_5186" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="Locator_us-gaap_IncomeTaxDisclosureAbstract_5121" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5122" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_IncomeTaxDisclosureAbstract_5121" xlink:to="Locator_us-gaap_StatementTable_5122" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureCondensedConsolidatingFinancialInformationNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5271" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5272" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5271" xlink:to="Locator_us-gaap_StatementLineItems_5272" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5203" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_5204" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5203" xlink:to="Locator_us-gaap_DebtInstrumentInterestRateStatedPercentage_5204" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5205" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="Locator_us-gaap_DebtInstrumentMaturityDateDescription_5206" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5205" xlink:to="Locator_us-gaap_DebtInstrumentMaturityDateDescription_5206" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5207" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5208" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5207" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5208" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5209" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_5210" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5209" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_5210" order="6.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5211" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_5212" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5211" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_5212" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5213" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_5214" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5213" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_5214" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5215" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_5216" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5215" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_5216" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5217" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5218" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5217" xlink:to="Locator_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_5218" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5197" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_HoldingCompanyOwnershipInSubsidiaries" xlink:label="Locator_cmcsa_HoldingCompanyOwnershipInSubsidiaries_5198" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5197" xlink:to="Locator_cmcsa_HoldingCompanyOwnershipInSubsidiaries_5198" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5199" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="Locator_us-gaap_GuaranteeObligationsCurrentCarryingValue_5200" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5199" xlink:to="Locator_us-gaap_GuaranteeObligationsCurrentCarryingValue_5200" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5201" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_GuaranteeObligationsCurrentPrincipleBalance" xlink:label="Locator_cmcsa_GuaranteeObligationsCurrentPrincipleBalance_5202" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5201" xlink:to="Locator_cmcsa_GuaranteeObligationsCurrentPrincipleBalance_5202" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5275" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5276" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5275" xlink:to="Locator_dei_LegalEntityAxis_5276" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5293" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5294" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_5293" xlink:to="Locator_dei_EntityDomain_5294" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5295" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="Locator_us-gaap_ParentCompanyMember_5296" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5295" xlink:to="Locator_us-gaap_ParentCompanyMember_5296" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5297" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_5298" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5297" xlink:to="Locator_cmcsa_NbcuniversalMember_5298" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5281" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueOctober2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_5282" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5281" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueOctober2029Member_5282" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5283" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member" xlink:label="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_5284" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5283" xlink:to="Locator_cmcsa_ComcastHoldings1058SeniorSubordinatedDebenturesDue2012Member_5284" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5285" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ComcastHoldingsZonesDueNovember2029Member" xlink:label="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_5286" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5285" xlink:to="Locator_cmcsa_ComcastHoldingsZonesDueNovember2029Member_5286" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5287" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoSeniorNotesDue2015Member" xlink:label="Locator_cmcsa_UniversalOrlandoSeniorNotesDue2015Member_5288" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5287" xlink:to="Locator_cmcsa_UniversalOrlandoSeniorNotesDue2015Member_5288" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5289" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoSeniorNotesDue2016Member" xlink:label="Locator_cmcsa_UniversalOrlandoSeniorNotesDue2016Member_5290" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5289" xlink:to="Locator_cmcsa_UniversalOrlandoSeniorNotesDue2016Member_5290" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5291" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="Locator_us-gaap_GuarantorSubsidiariesMember_5292" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DebtMember_5291" xlink:to="Locator_us-gaap_GuarantorSubsidiariesMember_5292" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5273" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_5274" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5273" xlink:to="Locator_us-gaap_DerivativeByNatureAxis_5274" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="Locator_us-gaap_DerivativeByNatureAxis_5277" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_5278" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeByNatureAxis_5277" xlink:to="Locator_us-gaap_DerivativeNameDomain_5278" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="Locator_us-gaap_DerivativeNameDomain_5279" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtMember" xlink:label="Locator_us-gaap_DebtMember_5280" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeNameDomain_5279" xlink:to="Locator_us-gaap_DebtMember_5280" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CondensedConsolidatingFinancialInformationAbstract" xlink:label="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_5221" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5222" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_CondensedConsolidatingFinancialInformationAbstract_5221" xlink:to="Locator_us-gaap_StatementTable_5222" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureInvestmentsInvestmentIncomeLossNetDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5299" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="Locator_us-gaap_RealizedInvestmentGainsLosses_5300" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5299" xlink:to="Locator_us-gaap_RealizedInvestmentGainsLosses_5300" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5301" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImpairmentOfInvestments" xlink:label="Locator_us-gaap_ImpairmentOfInvestments_5302" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5301" xlink:to="Locator_us-gaap_ImpairmentOfInvestments_5302" order="1.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5303" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnSecurities" xlink:label="Locator_us-gaap_UnrealizedGainLossOnSecurities_5304" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5303" xlink:to="Locator_us-gaap_UnrealizedGainLossOnSecurities_5304" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5305" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MarkToMarketAdjustmentOnDerivativeComponentOfPrepaidForwardSaleAgreements" xlink:label="Locator_cmcsa_MarkToMarketAdjustmentOnDerivativeComponentOfPrepaidForwardSaleAgreements_5306" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5305" xlink:to="Locator_cmcsa_MarkToMarketAdjustmentOnDerivativeComponentOfPrepaidForwardSaleAgreements_5306" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5307" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="Locator_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5308" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5307" xlink:to="Locator_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5308" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5309" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeInterestAndDividend" xlink:label="Locator_us-gaap_InvestmentIncomeInterestAndDividend_5310" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5309" xlink:to="Locator_us-gaap_InvestmentIncomeInterestAndDividend_5310" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5311" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherInvestmentIncomeLossNet" xlink:label="Locator_cmcsa_OtherInvestmentIncomeLossNet_5312" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5311" xlink:to="Locator_cmcsa_OtherInvestmentIncomeLossNet_5312" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsAbstract" xlink:label="Locator_us-gaap_InvestmentsAbstract_5313" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeNonoperating" xlink:label="Locator_us-gaap_InvestmentIncomeNonoperating_5314" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_InvestmentsAbstract_5313" xlink:to="Locator_us-gaap_InvestmentIncomeNonoperating_5314" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureTermsOfOutstandingFixedToVariableSwapsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5367" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_5368" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5367" xlink:to="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_5368" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis" xlink:label="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_5369" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_5370" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsMajorTypesOfTradingSecuritiesAndAssetsAxis_5369" xlink:to="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_5370" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_5373" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="Locator_us-gaap_InterestRateSwapMember_5374" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_SwapMember_5373" xlink:to="Locator_us-gaap_InterestRateSwapMember_5374" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain" xlink:label="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_5371" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SwapMember" xlink:label="Locator_us-gaap_SwapMember_5372" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_MajorTypesOfTradingSecuritiesAndAssetsDomain_5371" xlink:to="Locator_us-gaap_SwapMember_5372" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5365" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5366" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5365" xlink:to="Locator_us-gaap_DerivativeLineItems_5366" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5337" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2011/invest-2011-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="Locator_invest_DerivativeNotionalAmount_5338" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5337" xlink:to="Locator_invest_DerivativeNotionalAmount_5338" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5333" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLowerRemainingMaturityRange" xlink:label="Locator_us-gaap_DerivativeLowerRemainingMaturityRange_5334" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5333" xlink:to="Locator_us-gaap_DerivativeLowerRemainingMaturityRange_5334" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5335" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeHigherRemainingMaturityRange" xlink:label="Locator_us-gaap_DerivativeHigherRemainingMaturityRange_5336" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5335" xlink:to="Locator_us-gaap_DerivativeHigherRemainingMaturityRange_5336" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5339" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateSwapAveragePayRate" xlink:label="Locator_cmcsa_InterestRateSwapAveragePayRate_5340" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5339" xlink:to="Locator_cmcsa_InterestRateSwapAveragePayRate_5340" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5341" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InterestRateSwapAverageReceiveRate" xlink:label="Locator_cmcsa_InterestRateSwapAverageReceiveRate_5342" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5341" xlink:to="Locator_cmcsa_InterestRateSwapAverageReceiveRate_5342" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="Locator_us-gaap_DerivativeLineItems_5343" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestRateDerivativesAtFairValueNet" xlink:label="Locator_us-gaap_InterestRateDerivativesAtFairValueNet_5344" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeLineItems_5343" xlink:to="Locator_us-gaap_InterestRateDerivativesAtFairValueNet_5344" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_5329" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5330" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_5329" xlink:to="Locator_us-gaap_StatementTable_5330" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFilmAndTelevisionCosts">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAbstract" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5375" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDisclosureTextBlock" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDisclosureTextBlock_5376" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5375" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsDisclosureTextBlock_5376" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFilmAndTelevisionCostsTables">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAbstract" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5377" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfFilmAndTelevisionCostsTableTextBlock" xlink:label="Locator_cmcsa_ScheduleOfFilmAndTelevisionCostsTableTextBlock_5378" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5377" xlink:to="Locator_cmcsa_ScheduleOfFilmAndTelevisionCostsTableTextBlock_5378" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/FilmAndTelevisionCostsNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5415" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5416" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5415" xlink:to="Locator_us-gaap_StatementLineItems_5416" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5383" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AmortizationOfOriginalFilmAndTelevisionProductionExpectedToBeAmortizedDuringTheNextFiscalYear" xlink:label="Locator_cmcsa_AmortizationOfOriginalFilmAndTelevisionProductionExpectedToBeAmortizedDuringTheNextFiscalYear_5384" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5383" xlink:to="Locator_cmcsa_AmortizationOfOriginalFilmAndTelevisionProductionExpectedToBeAmortizedDuringTheNextFiscalYear_5384" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5385" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ExpectedAmortizationPercentageOfCompletedNotReleasedAndUnamortizedFilmAndTelevisionCosts" xlink:label="Locator_cmcsa_ExpectedAmortizationPercentageOfCompletedNotReleasedAndUnamortizedFilmAndTelevisionCosts_5386" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5385" xlink:to="Locator_cmcsa_ExpectedAmortizationPercentageOfCompletedNotReleasedAndUnamortizedFilmAndTelevisionCosts_5386" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5387" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageOfUnamortizedFilmAndTelevisionCostsForReleasedProductionsToBeAmortizedInTheNextThreeYears" xlink:label="Locator_cmcsa_PercentageOfUnamortizedFilmAndTelevisionCostsForReleasedProductionsToBeAmortizedInTheNextThreeYears_5388" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5387" xlink:to="Locator_cmcsa_PercentageOfUnamortizedFilmAndTelevisionCostsForReleasedProductionsToBeAmortizedInTheNextThreeYears_5388" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5389" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionLibraryCostsUnamortized" xlink:label="Locator_cmcsa_FilmAndTelevisionLibraryCostsUnamortized_5390" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5389" xlink:to="Locator_cmcsa_FilmAndTelevisionLibraryCostsUnamortized_5390" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5391" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionLibraryCostsAmortizedInCurrentPeriod" xlink:label="Locator_cmcsa_FilmAndTelevisionLibraryCostsAmortizedInCurrentPeriod_5392" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5391" xlink:to="Locator_cmcsa_FilmAndTelevisionLibraryCostsAmortizedInCurrentPeriod_5392" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5393" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_PercentageOfAcquiredFilmAndTelevisionLibrariesToBeAmortizedInTheNextThreeYears" xlink:label="Locator_cmcsa_PercentageOfAcquiredFilmAndTelevisionLibrariesToBeAmortizedInTheNextThreeYears_5394" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5393" xlink:to="Locator_cmcsa_PercentageOfAcquiredFilmAndTelevisionLibrariesToBeAmortizedInTheNextThreeYears_5394" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5417" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAxis" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAxis_5418" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5417" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsAxis_5418" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAxis" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAxis_5419" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5420" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAxis_5419" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsDomain_5420" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5421" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OneYearFromBalanceSheetDateMember" xlink:label="Locator_us-gaap_OneYearFromBalanceSheetDateMember_5422" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsDomain_5421" xlink:to="Locator_us-gaap_OneYearFromBalanceSheetDateMember_5422" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5423" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MoreThanOneAndWithinTwoYearsFromBalanceSheetDateMember" xlink:label="Locator_us-gaap_MoreThanOneAndWithinTwoYearsFromBalanceSheetDateMember_5424" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsDomain_5423" xlink:to="Locator_us-gaap_MoreThanOneAndWithinTwoYearsFromBalanceSheetDateMember_5424" order="1.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAbstract" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5379" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5380" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5379" xlink:to="Locator_us-gaap_StatementTable_5380" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureReceivablesMonetization">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5425" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ReceivablesMonetizationTextBlock" xlink:label="Locator_cmcsa_ReceivablesMonetizationTextBlock_5426" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5425" xlink:to="Locator_cmcsa_ReceivablesMonetizationTextBlock_5426" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureReceivablesMonetizationTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5427" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ActivitiesRelatedToSecuritizationProgramsTableTextBlock" xlink:label="Locator_cmcsa_ActivitiesRelatedToSecuritizationProgramsTableTextBlock_5428" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5427" xlink:to="Locator_cmcsa_ActivitiesRelatedToSecuritizationProgramsTableTextBlock_5428" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5429" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfMonetizationBalancesTableTextBlock" xlink:label="Locator_cmcsa_ScheduleOfMonetizationBalancesTableTextBlock_5430" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5429" xlink:to="Locator_cmcsa_ScheduleOfMonetizationBalancesTableTextBlock_5430" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureReceivablesMonetizationNarrativeDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5431" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_MonetizationCollectionsOwedUnderProgram" xlink:label="Locator_cmcsa_MonetizationCollectionsOwedUnderProgram_5432" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5431" xlink:to="Locator_cmcsa_MonetizationCollectionsOwedUnderProgram_5432" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureReceivablesMonetizationEffectOnIncomeFromReceivablesMonetizationAndCashFlowsOnTransfersDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5433" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSecuritizationOfFinancialAssets" xlink:label="Locator_us-gaap_GainLossOnSecuritizationOfFinancialAssets_5434" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5433" xlink:to="Locator_us-gaap_GainLossOnSecuritizationOfFinancialAssets_5434" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5435" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers" xlink:label="Locator_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers_5436" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5435" xlink:to="Locator_us-gaap_CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers_5436" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureReceivablesMonetizationReceivablesMonetizedAndDeferredConsiderationDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5437" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding" xlink:label="Locator_us-gaap_QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding_5438" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5437" xlink:to="Locator_us-gaap_QualitativeAndQuantitativeInformationAssetsOrLiabilitiesForTransferorsContinuingInvolvementInSecuritizationOrAssetbackedFinancingArrangementPrincipalAmountsOutstanding_5438" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="Locator_us-gaap_ReceivablesAbstract_5439" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestsContinuedToBeHeldByTransferorFairValue" xlink:label="Locator_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_5440" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ReceivablesAbstract_5439" xlink:to="Locator_us-gaap_InterestsContinuedToBeHeldByTransferorFairValue_5440" order="1.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsAllocationOfPurchasePriceDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5523" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5524" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5523" xlink:to="Locator_dei_LegalEntityAxis_5524" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5525" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5526" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_5525" xlink:to="Locator_dei_EntityDomain_5526" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5527" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_NbcuniversalMember" xlink:label="Locator_cmcsa_NbcuniversalMember_5528" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5527" xlink:to="Locator_cmcsa_NbcuniversalMember_5528" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5521" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5522" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5521" xlink:to="Locator_us-gaap_BusinessAcquisitionLineItems_5522" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5457" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet_5458" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5457" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationDeferredIncomeTaxesAssetLiabilityNet_5458" order="6.0" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5445" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationFilmAndTelevisionCost" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationFilmAndTelevisionCost_5446" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5445" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationFilmAndTelevisionCost_5446" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5447" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationInvestments" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationInvestments_5448" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5447" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationInvestments_5448" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5449" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_5450" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5449" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_5450" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5451" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_5452" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5451" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_5452" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5453" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_5454" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5453" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_5454" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5455" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt_5456" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5455" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt_5456" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5459" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities_5460" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5459" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities_5460" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5461" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired_5462" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5461" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired_5462" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5463" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="Locator_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_5464" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5463" xlink:to="Locator_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_5464" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5465" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_5466" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5465" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_5466" order="10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5467" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired" xlink:label="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5468" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5467" xlink:to="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5468" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5441" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5442" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5441" xlink:to="Locator_us-gaap_StatementTable_5442" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsContingentConsiderationDetails">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5531" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionContingentConsiderationAccretion" xlink:label="Locator_cmcsa_BusinessAcquisitionContingentConsiderationAccretion_5532" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5531" xlink:to="Locator_cmcsa_BusinessAcquisitionContingentConsiderationAccretion_5532" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5533" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionContingentConsiderationPayments" xlink:label="Locator_cmcsa_BusinessAcquisitionContingentConsiderationPayments_5534" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5533" xlink:to="Locator_cmcsa_BusinessAcquisitionContingentConsiderationPayments_5534" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5529" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_5530" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5529" xlink:to="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_5530" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5535" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue" xlink:label="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_5536" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5535" xlink:to="Locator_us-gaap_BusinessAcquisitionContingentConsiderationAtFairValue_5536" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureAcquisitionsAndOtherSignificantEventsTransactionRelatedExpensesDetails">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5537" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DirectTransactionCosts" xlink:label="Locator_cmcsa_DirectTransactionCosts_5538" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5537" xlink:to="Locator_cmcsa_DirectTransactionCosts_5538" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5539" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TransactionRelatedCosts" xlink:label="Locator_cmcsa_TransactionRelatedCosts_5540" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5539" xlink:to="Locator_cmcsa_TransactionRelatedCosts_5540" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5541" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TransactionCostsAndTransactionRelatedCostsInOperatingCostsAndExpenses" xlink:label="Locator_cmcsa_TransactionCostsAndTransactionRelatedCostsInOperatingCostsAndExpenses_5542" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5541" xlink:to="Locator_cmcsa_TransactionCostsAndTransactionRelatedCostsInOperatingCostsAndExpenses_5542" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5543" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TransactionCostsInOtherIncomeExpense" xlink:label="Locator_cmcsa_TransactionCostsInOtherIncomeExpense_5544" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5543" xlink:to="Locator_cmcsa_TransactionCostsInOtherIncomeExpense_5544" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5545" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TransactionCostsInInterestExpense" xlink:label="Locator_cmcsa_TransactionCostsInInterestExpense_5546" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5545" xlink:to="Locator_cmcsa_TransactionCostsInInterestExpense_5546" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5547" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TotalTransactionCostsAndTransactionRelatedCosts" xlink:label="Locator_cmcsa_TotalTransactionCostsAndTransactionRelatedCosts_5548" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5547" xlink:to="Locator_cmcsa_TotalTransactionCostsAndTransactionRelatedCosts_5548" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsProFormaInformationDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5591" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5592" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5591" xlink:to="Locator_dei_LegalEntityAxis_5592" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5593" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5594" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_5593" xlink:to="Locator_dei_EntityDomain_5594" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5595" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_5596" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5595" xlink:to="Locator_cmcsa_UniversalOrlandoMember_5596" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5589" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5590" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5589" xlink:to="Locator_us-gaap_BusinessAcquisitionLineItems_5590" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5563" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="Locator_us-gaap_BusinessAcquisitionsProFormaRevenue_5564" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5563" xlink:to="Locator_us-gaap_BusinessAcquisitionsProFormaRevenue_5564" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5565" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionProFormaProfitLoss" xlink:label="Locator_cmcsa_BusinessAcquisitionProFormaProfitLoss_5566" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5565" xlink:to="Locator_cmcsa_BusinessAcquisitionProFormaProfitLoss_5566" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5567" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="Locator_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_5568" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5567" xlink:to="Locator_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_5568" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5569" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="Locator_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_5570" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5569" xlink:to="Locator_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_5570" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5571" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="Locator_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_5572" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5571" xlink:to="Locator_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_5572" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5559" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5560" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5559" xlink:to="Locator_us-gaap_StatementTable_5560" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsPreliminaryAllocationOfPurchasePriceUniversalOrlandoDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5663" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5664" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5663" xlink:to="Locator_dei_LegalEntityAxis_5664" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_5665" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5666" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_5665" xlink:to="Locator_dei_EntityDomain_5666" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_5667" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_5668" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_5667" xlink:to="Locator_cmcsa_UniversalOrlandoMember_5668" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5661" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5662" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5661" xlink:to="Locator_us-gaap_BusinessAcquisitionLineItems_5662" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5601" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_5602" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5601" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment_5602" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5603" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_5604" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5603" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets_5604" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5605" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_5606" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5605" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationWorkingCapital_5606" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5607" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt_5608" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5607" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt_5608" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5611" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities_5612" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5611" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentAssetsAndLiabilities_5612" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5613" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired_5614" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5613" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationNoncontrollingInterestAcquired_5614" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5615" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="Locator_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_5616" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5615" xlink:to="Locator_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_5616" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5617" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_5618" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5617" xlink:to="Locator_us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount_5618" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5619" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired" xlink:label="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5620" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5619" xlink:to="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5620" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="Locator_us-gaap_BusinessAcquisitionLineItems_5609" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessAcquisitionPurchasePriceAllocationDeferredRevenue" xlink:label="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationDeferredRevenue_5610" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_BusinessAcquisitionLineItems_5609" xlink:to="Locator_cmcsa_BusinessAcquisitionPurchasePriceAllocationDeferredRevenue_5610" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5597" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5598" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5597" xlink:to="Locator_us-gaap_StatementTable_5598" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureFilmAndTelevisionCostsFilmAndTelevisionCostsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5743" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAxis" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAxis_5744" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5743" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsAxis_5744" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAxis" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAxis_5745" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5746" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAxis_5745" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsDomain_5746" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5747" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmCostsMember" xlink:label="Locator_cmcsa_FilmCostsMember_5748" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsDomain_5747" xlink:to="Locator_cmcsa_FilmCostsMember_5748" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsDomain" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsDomain_5749" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TelevisionCostsMember" xlink:label="Locator_cmcsa_TelevisionCostsMember_5750" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsDomain_5749" xlink:to="Locator_cmcsa_TelevisionCostsMember_5750" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5741" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5742" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5741" xlink:to="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5742" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5675" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ReleasedLessAmortization" xlink:label="Locator_cmcsa_ReleasedLessAmortization_5676" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5675" xlink:to="Locator_cmcsa_ReleasedLessAmortization_5676" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5677" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CompletedAndNotReleased" xlink:label="Locator_cmcsa_CompletedAndNotReleased_5678" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5677" xlink:to="Locator_cmcsa_CompletedAndNotReleased_5678" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5679" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_InProductionAndInDevelopment" xlink:label="Locator_cmcsa_InProductionAndInDevelopment_5680" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5679" xlink:to="Locator_cmcsa_InProductionAndInDevelopment_5680" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5681" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FilmCosts" xlink:label="Locator_us-gaap_FilmCosts_5682" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5681" xlink:to="Locator_us-gaap_FilmCosts_5682" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5683" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TelevisionCosts" xlink:label="Locator_cmcsa_TelevisionCosts_5684" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5683" xlink:to="Locator_cmcsa_TelevisionCosts_5684" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5685" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingRightsLessAmortization" xlink:label="Locator_cmcsa_ProgrammingRightsLessAmortization_5686" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5685" xlink:to="Locator_cmcsa_ProgrammingRightsLessAmortization_5686" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5687" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_TotalFilmAndTelevisionCostsAndProgrammingRightsAfterAmortization" xlink:label="Locator_cmcsa_TotalFilmAndTelevisionCostsAndProgrammingRightsAfterAmortization_5688" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5687" xlink:to="Locator_cmcsa_TotalFilmAndTelevisionCostsAndProgrammingRightsAfterAmortization_5688" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5689" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingRightsCurrent" xlink:label="Locator_cmcsa_ProgrammingRightsCurrent_5690" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5689" xlink:to="Locator_cmcsa_ProgrammingRightsCurrent_5690" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsLineItems" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5691" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCosts" xlink:label="Locator_cmcsa_FilmAndTelevisionCosts_5692" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsLineItems_5691" xlink:to="Locator_cmcsa_FilmAndTelevisionCosts_5692" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_FilmAndTelevisionCostsAbstract" xlink:label="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5671" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5672" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_FilmAndTelevisionCostsAbstract_5671" xlink:to="Locator_us-gaap_StatementTable_5672" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationReceivablesDetails">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5751" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="Locator_us-gaap_AccountsReceivableGrossCurrent_5752" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5751" xlink:to="Locator_us-gaap_AccountsReceivableGrossCurrent_5752" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5753" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ReturnsAndIncentivesAllowance" xlink:label="Locator_cmcsa_ReturnsAndIncentivesAllowance_5754" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5753" xlink:to="Locator_cmcsa_ReturnsAndIncentivesAllowance_5754" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5755" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="Locator_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_5756" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5755" xlink:to="Locator_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_5756" order="2.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5757" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="Locator_us-gaap_AccountsReceivableNetCurrent_5758" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5757" xlink:to="Locator_us-gaap_AccountsReceivableNetCurrent_5758" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationOperatingCostsAndExpensesExcludingDepreciationAndAmortizationDetails">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5765" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ProgrammingAndProductionCosts" xlink:label="Locator_cmcsa_ProgrammingAndProductionCosts_5766" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5765" xlink:to="Locator_cmcsa_ProgrammingAndProductionCosts_5766" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5767" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsTechnicalLabor" xlink:label="Locator_cmcsa_CableCommunicationsTechnicalLabor_5768" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5767" xlink:to="Locator_cmcsa_CableCommunicationsTechnicalLabor_5768" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5769" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_CableCommunicationsCustomerService" xlink:label="Locator_cmcsa_CableCommunicationsCustomerService_5770" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5769" xlink:to="Locator_cmcsa_CableCommunicationsCustomerService_5770" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5771" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketingAndAdvertisingExpense" xlink:label="Locator_us-gaap_MarketingAndAdvertisingExpense_5772" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5771" xlink:to="Locator_us-gaap_MarketingAndAdvertisingExpense_5772" order="3.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5773" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OtherOperatingCostsAndExpenses" xlink:label="Locator_cmcsa_OtherOperatingCostsAndExpenses_5774" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5773" xlink:to="Locator_cmcsa_OtherOperatingCostsAndExpenses_5774" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5775" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_OperatingExpensesExcludingDepreciationAndAmortization" xlink:label="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_5776" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5775" xlink:to="Locator_cmcsa_OperatingExpensesExcludingDepreciationAndAmortization_5776" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosureSupplementalFinancialInformationCashPaymentsForInterestAndIncomeTaxesDetails">
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5787" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="Locator_us-gaap_InterestPaidNet_5788" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5787" xlink:to="Locator_us-gaap_InterestPaidNet_5788" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_SupplementalFinancialInformationAbstract" xlink:label="Locator_cmcsa_SupplementalFinancialInformationAbstract_5789" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="Locator_us-gaap_IncomeTaxesPaidNet_5790" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_SupplementalFinancialInformationAbstract_5789" xlink:to="Locator_us-gaap_IncomeTaxesPaidNet_5790" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansCondensedInformationOnOurPostretirementAndPensionBenefitPlansDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5869" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5870" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5869" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5870" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5873" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5874" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5873" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_5874" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5875" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5876" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5875" xlink:to="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5876" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5877" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionMember" xlink:label="Locator_us-gaap_DefinedBenefitPensionMember_5878" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5877" xlink:to="Locator_us-gaap_DefinedBenefitPensionMember_5878" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5871" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeAxis" xlink:label="Locator_us-gaap_RangeAxis_5872" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5871" xlink:to="Locator_us-gaap_RangeAxis_5872" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeAxis" xlink:label="Locator_us-gaap_RangeAxis_5879" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeMember" xlink:label="Locator_us-gaap_RangeMember_5880" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_RangeAxis_5879" xlink:to="Locator_us-gaap_RangeMember_5880" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeMember" xlink:label="Locator_us-gaap_RangeMember_5881" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinimumMember" xlink:label="Locator_us-gaap_MinimumMember_5882" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_RangeMember_5881" xlink:to="Locator_us-gaap_MinimumMember_5882" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RangeMember" xlink:label="Locator_us-gaap_RangeMember_5883" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="Locator_us-gaap_MaximumMember_5884" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_RangeMember_5883" xlink:to="Locator_us-gaap_MaximumMember_5884" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5867" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5868" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5867" xlink:to="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5868" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5797" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5798" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5797" xlink:to="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5798" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5811" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DefinedBenefitPlanBenefitObligationRelatedToTheTransaction" xlink:label="Locator_cmcsa_DefinedBenefitPlanBenefitObligationRelatedToTheTransaction_5812" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5811" xlink:to="Locator_cmcsa_DefinedBenefitPlanBenefitObligationRelatedToTheTransaction_5812" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5813" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="Locator_us-gaap_DefinedBenefitPlanServiceCost_5814" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5813" xlink:to="Locator_us-gaap_DefinedBenefitPlanServiceCost_5814" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5815" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="Locator_us-gaap_DefinedBenefitPlanInterestCost_5816" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5815" xlink:to="Locator_us-gaap_DefinedBenefitPlanInterestCost_5816" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5817" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialNetGainsLosses" xlink:label="Locator_us-gaap_DefinedBenefitPlanActuarialNetGainsLosses_5818" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5817" xlink:to="Locator_us-gaap_DefinedBenefitPlanActuarialNetGainsLosses_5818" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5819" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="Locator_us-gaap_DefinedBenefitPlanBenefitsPaid_5820" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5819" xlink:to="Locator_us-gaap_DefinedBenefitPlanBenefitsPaid_5820" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5821" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanOtherCosts" xlink:label="Locator_us-gaap_DefinedBenefitPlanOtherCosts_5822" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5821" xlink:to="Locator_us-gaap_DefinedBenefitPlanOtherCosts_5822" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5809" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_5810" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5809" xlink:to="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_5810" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5823" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_5824" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_5823" xlink:to="Locator_us-gaap_DefinedBenefitPlanBenefitObligation_5824" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5799" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation" xlink:label="Locator_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_5800" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5799" xlink:to="Locator_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation_5800" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5801" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="Locator_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_5802" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5801" xlink:to="Locator_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_5802" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5803" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax" xlink:label="Locator_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_5804" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5803" xlink:to="Locator_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_5804" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5805" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" xlink:label="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_5806" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5805" xlink:to="Locator_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate_5806" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5807" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_DefinedBenefitPlanExpectedReturnOnPlanAssetsRate" xlink:label="Locator_cmcsa_DefinedBenefitPlanExpectedReturnOnPlanAssetsRate_5808" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5807" xlink:to="Locator_cmcsa_DefinedBenefitPlanExpectedReturnOnPlanAssetsRate_5808" order="5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_5793" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5794" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_5793" xlink:to="Locator_us-gaap_StatementTable_5794" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansComponentsOfBenefitsExpenseDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5919" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5920" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5919" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5920" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5921" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5922" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5921" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_5922" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5923" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5924" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5923" xlink:to="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5924" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5925" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionMember" xlink:label="Locator_us-gaap_DefinedBenefitPensionMember_5926" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5925" xlink:to="Locator_us-gaap_DefinedBenefitPensionMember_5926" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5917" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5918" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5917" xlink:to="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5918" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5889" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="Locator_us-gaap_DefinedBenefitPlanServiceCost_5890" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5889" xlink:to="Locator_us-gaap_DefinedBenefitPlanServiceCost_5890" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5891" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="Locator_us-gaap_DefinedBenefitPlanInterestCost_5892" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5891" xlink:to="Locator_us-gaap_DefinedBenefitPlanInterestCost_5892" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5893" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="Locator_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_5894" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5893" xlink:to="Locator_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_5894" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5895" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitExpense" xlink:label="Locator_us-gaap_OtherPostretirementBenefitExpense_5896" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5895" xlink:to="Locator_us-gaap_OtherPostretirementBenefitExpense_5896" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5897" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionExpense" xlink:label="Locator_us-gaap_PensionExpense_5898" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5897" xlink:to="Locator_us-gaap_PensionExpense_5898" order="4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract" xlink:label="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_5885" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5886" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_PensionAndOtherPostretirementBenefitContributionsAbstract_5885" xlink:to="Locator_us-gaap_StatementTable_5886" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/DisclosurePostretirementPensionAndOtherEmployeeBenefitPlansExpectedFutureBenefitPaymentsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5965" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5966" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5965" xlink:to="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5966" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5967" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5968" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis_5967" xlink:to="Locator_us-gaap_DefinedBenefitPlansDomain_5968" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5969" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5970" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5969" xlink:to="Locator_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_5970" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="Locator_us-gaap_DefinedBenefitPlansDomain_5971" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPensionMember" xlink:label="Locator_us-gaap_DefinedBenefitPensionMember_5972" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlansDomain_5971" xlink:to="Locator_us-gaap_DefinedBenefitPensionMember_5972" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5963" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5964" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5963" xlink:to="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5964" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5931" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne_5932" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5931" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne_5932" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5933" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo_5934" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5933" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo_5934" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5935" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree_5936" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5935" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree_5936" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5937" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour_5938" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5937" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour_5938" order="3.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5939" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive_5940" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5939" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive_5940" order="4.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5941" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xlink:label="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter_5942" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanDisclosureLineItems_5941" xlink:to="Locator_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter_5942" order="5.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="Locator_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_5927" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5928" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_5927" xlink:to="Locator_us-gaap_StatementTable_5928" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/AcquisitionsAndOtherSignificantEventsConsiderationTransferredUniversalOrlandoDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5999" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_6000" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_5999" xlink:to="Locator_us-gaap_StatementLineItems_6000" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5977" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_5978" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5977" xlink:to="Locator_us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_5978" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5981" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired" xlink:label="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5982" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5981" xlink:to="Locator_cmcsa_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAndNoncontrollingInterestsAcquired_5982" order="2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="Locator_us-gaap_StatementLineItems_5979" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValueInMillions" xlink:label="Locator_cmcsa_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValueInMillions_5980" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementLineItems_5979" xlink:to="Locator_cmcsa_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValueInMillions_5980" order="1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_6001" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_6002" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_6001" xlink:to="Locator_dei_LegalEntityAxis_6002" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="Locator_dei_LegalEntityAxis_6003" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_6004" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_LegalEntityAxis_6003" xlink:to="Locator_dei_EntityDomain_6004" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_EntityDomain" xlink:label="Locator_dei_EntityDomain_6005" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_UniversalOrlandoMember" xlink:label="Locator_cmcsa_UniversalOrlandoMember_6006" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_dei_EntityDomain_6005" xlink:to="Locator_cmcsa_UniversalOrlandoMember_6006" order="0.0" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract" xlink:label="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5973" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_5974" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_cmcsa_AcquisitionAndOtherSignificantEventsDetailsAbstract_5973" xlink:to="Locator_us-gaap_StatementTable_5974" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccountsDetails">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_6035" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6036" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_6035" xlink:to="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6036" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6013" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_6014" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6013" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_6014" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6015" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesDeductions_6016" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6015" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesDeductions_6016" order="2.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6011" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesBalance_6012" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6011" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesBalance_6012" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6017" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesBalance_6018" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_6017" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesBalance_6018" order="3.0" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_6037" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesTypeAxis_6038" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_StatementTable_6037" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesTypeAxis_6038" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesTypeAxis_6039" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6040" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAllowancesAndReservesTypeAxis_6039" xlink:to="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6040" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6041" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="Locator_us-gaap_AllowanceForDoubtfulAccountsMember_6042" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6041" xlink:to="Locator_us-gaap_AllowanceForDoubtfulAccountsMember_6042" order="0.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6043" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForSalesReturnsMember" xlink:label="Locator_us-gaap_AllowanceForSalesReturnsMember_6044" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAllowancesAndReservesDomain_6043" xlink:to="Locator_us-gaap_AllowanceForSalesReturnsMember_6044" order="1.0" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6007" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="Locator_us-gaap_StatementTable_6008" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6007" xlink:to="Locator_us-gaap_StatementTable_6008" order="0.0" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccountsTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6045" />
    <loc xlink:type="locator" xlink:href="cmcsa-20111231.xsd#cmcsa_ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock" xlink:label="Locator_cmcsa_ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock_6046" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6045" xlink:to="Locator_cmcsa_ScheduleOfValuationAndQualifyingAccountsDisclosureTableTextBlock_6046" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.comcast.com/role/ScheduleIIValuationAndQualifyingAccounts">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6047" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="Locator_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_6048" />
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="Locator_us-gaap_ValuationAndQualifyingAccountsAbstract_6047" xlink:to="Locator_us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_6048" order="0.0" />
  </presentationLink>
</linkbase>
</XBRL>
