Entity Tax Identification Number Entity Tax Identification Number Entity File Number Entity File Number 1.125% Notes due 2051 1.125% Notes due 2051 [Member] 1.125% Notes due 2051 1.625% Notes due 2043 1.625% Notes due 2043 [Member] 1.625% Notes due 2043 Cover [Abstract] Cover [Abstract] Title of 12(b) Security Title of 12(b) Security 1.700% Notes due 2049 1.700% Notes due 2049 [Member] 1.700% Notes due 2049 [Member] Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Soliciting Material Soliciting Material Entity Address, Address Line One Entity Address, Address Line One 1.375% Notes due 2061 1.375% Notes due 2061 [Member] 1.375% Notes due 2061 Entity Registrant Name Entity Registrant Name Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, State or Province Entity Address, State or Province Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 6.77% Notes due 2036 6.77% Notes Due January 1, 2036 [Member] 6.77% Notes Due January 1, 2036 [Member] Written Communications Written Communications Trading Symbol Trading Symbol 2.125% Notes due 2030 2.125% Notes Due June 3, 2030 [Member] 2.125% Notes Due June 3, 2030 [Member] City Area Code City Area Code 0.500% Notes due 2033 .500% Notes due 2033 [Member] 0.500% Notes due 2033 Document Information [Table] Document Information [Table] Common Stock (no par value) Common Class A [Member] Document Period End Date Document Period End Date Amendment Flag Amendment Flag Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, City or Town Entity Address, City or Town Security Exchange Name Security Exchange Name 0.625% Notes due 2031 .625% Notes due 2031 [Member] .625% Notes due 2031 [Member] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Class of Stock [Axis] Class of Stock [Axis] Pre-commencement Tender Offer Pre-commencement Tender Offer Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company