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  <xsd:element abstract="true" id="cmcsa_PelotonMember" name="PelotonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_PreferredStockPutPeriod" name="PreferredStockPutPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ProceedsFromCollateralizedObligation" name="ProceedsFromCollateralizedObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ProceedsFromSalesOfBusinessesAndInvestments" name="ProceedsFromSalesOfBusinessesAndInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ProgrammingAndProductionCosts" name="ProgrammingAndProductionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ProgrammingRightsCurrent" name="ProgrammingRightsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_ProgrammingRightsLessAmortization" name="ProgrammingRightsLessAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cmcsa_RedeemableNoncontrollingInterestsAndRedeemableSubsidiaryPreferredStockMember" name="RedeemableNoncontrollingInterestsAndRedeemableSubsidiaryPreferredStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ResidentialHighSpeedInternetMember" name="ResidentialHighSpeedInternetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ResidentialVideoMember" name="ResidentialVideoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ResidentialVoiceMember" name="ResidentialVoiceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ResidentialWirelessMember" name="ResidentialWirelessMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ScheduleOfCapitalizedFilmAndTelevisionCostsTableTextBlock" name="ScheduleOfCapitalizedFilmAndTelevisionCostsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" name="ScheduleOfCashCashEquivalentsAndRestrictedCashTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ScheduleOfEstimatedFutureAmortizationExpenseForCapitalizedFilmAndTelevisionCostTableTextBlock" name="ScheduleOfEstimatedFutureAmortizationExpenseForCapitalizedFilmAndTelevisionCostTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTableTextBlock" name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_ScheduleOfOtherBalanceSheetAccountsTableTextBlock" name="ScheduleOfOtherBalanceSheetAccountsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ScheduleofFairValueMethodInvestmentsLineItems" name="ScheduleofFairValueMethodInvestmentsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ScheduleofFairValueMethodInvestmentsTable" name="ScheduleofFairValueMethodInvestmentsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_SignificantTransactionsTextBlock" name="SignificantTransactionsTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_SkyLimitedMember" name="SkyLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_SkySeniorNotesDue2020Member" name="SkySeniorNotesDue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_SnapMember" name="SnapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_SupplementalFinancialInformationAbstract" name="SupplementalFinancialInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_TemporaryEquityFairValueOfRedeemableSubsidiaryPreferredStock" name="TemporaryEquityFairValueOfRedeemableSubsidiaryPreferredStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_TheatricalFilmCostsAndDirectToTelevisionCostsCompletedAndNotReleased" name="TheatricalFilmCostsAndDirectToTelevisionCostsCompletedAndNotReleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_TheatricalFilmCostsAndDirectToTelevisionCostsReleased" name="TheatricalFilmCostsAndDirectToTelevisionCostsReleased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_TheatricalFilmCostsAndDirecttoTelevisionCostsInProductionAndInDevelopment" name="TheatricalFilmCostsAndDirecttoTelevisionCostsInProductionAndInDevelopment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_TheatricalFilmCostsInProductionAndInDevelopment" name="TheatricalFilmCostsInProductionAndInDevelopment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cmcsa_TheatricalMember" name="TheatricalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_ThemeParksMember" name="ThemeParksMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cmcsa_TotalFilmAndTelevisionCostsAndProgrammingRightsAfterAmortization" name="TotalFilmAndTelevisionCostsAndProgrammingRightsAfterAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cmcsa_TransactionRelatedCosts" name="TransactionRelatedCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_UniversalBeijingResortMember" name="UniversalBeijingResortMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cmcsa_UniversalBeijingResortTermLoansMember" name="UniversalBeijingResortTermLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
