0.750% Notes Due 2032 [Member] Notes 0.750 percent due 2032 [Member] Notes 0.750% due 2032 [Member] Soliciting Material Soliciting Material Written Communications Written Communications Notes 3.250 percent due 2032 Notes 3.250 percent due 2032 [Member] Notes 3.250 percent due 2032 Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] 0.250% Notes Due 2027 [Member] Notes 0.250 percent Due 2027 [Member] Notes 0.250% Due 2027 [Member] Document Information [Line Items] Document Information [Line Items] Amendment Flag Amendment Flag 2.0% Exchangeable Subordinated Debentures Due 2029 [Member] Exchangeable Subordinated Debentures 2.0 Percent Due 2029 [Member] Exchangeable Subordinated Debentures 2.0% Due 2029 [Member] Notes 0.0250 percent Due 2029 Notes 0.250 percent Due 2029 [Member] Notes 0.250 percent Due 2029 1.875% Notes Due 2036 [Member] Notes 1.875 percent due 2036 [Member] Notes 1.875% due 2036 [Member] Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Notes 0.000 percent Due 2026 Notes 0.000 percent Due 2026 [Member] Notes 0.000 percent Due 2026 Security Exchange Name Security Exchange Name Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One City Area Code City Area Code Cover [Abstract] Cover [Abstract] Document Period End Date Document Period End Date Document Information [Table] Document Information [Table] Pre-commencement Tender Offer Pre-commencement Tender Offer Notes 3.550 percent due 2036 Notes 3.550 percent due 2036 [Member] Notes 3.550 percent due 2036 Class of Stock [Axis] Class of Stock [Axis] Entity Central Index Key Entity Central Index Key Class A Common Stock [Member] Common Class A [Member] Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Notes 5.250 percent due 2040 Notes 5.250 percent due 2040 [Member] Notes 5.250 percent due 2040 Entity Tax Identification Number Entity Tax Identification Number Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol 5.50% Notes Due 2029 [Member] Notes 5.50 Percent Due 2029 [Member] Notes 5.50% Due 2029 [Member] 1.250% Notes Due 2040 [Member] Notes 1.250 percent due 2040 [Member] Notes 1.250% due 2040 [Member] 1.500% Notes Due 2029 [Member] Notes 1.500 percent Due 2029 [Member] Notes 1.500% Due 2029 [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Document Type Document Type