Soliciting Material Soliciting Material Series C Preferred Stock Series C Preferred Stock [Member] 3.625% Senior Notes due 2034 3.625% Senior Notes due 2034 [Member] 3.625% Senior Notes due 2034 5.875% Senior Notes due 2058 5.875% Senior Notes due 2058 [Member] 5.875% Senior Notes due 2058 2.875% Senior Notes due 2031 2.875% Senior Notes due 2031 [Member] 2.875% Senior Notes due 2031 2.500% Senior Notes Due 2029 2.500% Senior Notes Due 2029 [Member] 2.500% Senior Notes Due 2029 Amendment Flag Amendment Flag No Trading Symbol Flag No Trading Symbol Flag Entity File Number Entity File Number 4.800% Senior Notes due 2045 4.800% Senior Notes due 2063 [Member] 4.800% Senior Notes due 2063 Senior Notes Due 2028 Senior Notes Due 2028 [Member] Senior Notes Due 2028 Senior Notes due 2038 Senior Notes due 2038 [Member] Senior Notes due 2038 3.875% Senior Notes Due 2045 3.875% Senior Notes Due 2045 [Member] 3.875% Senior Notes Due 2045 City Area Code City Area Code Senior Notes Due 2033 Senior Notes Due 2033 [Member] Senior Notes Due 2033 Document Period End Date Document Period End Date 3.375% Senior Notes Due 2037 3.375% Senior Notes Due 2037 [Member] 3.375% Senior Notes Due 2037 Capital Class C Capital Class C [Member] Capital Class C [Member] Entity Central Index Key Entity Central Index Key Common Class A Common Class A [Member] Entity Tax Identification Number Entity Tax Identification Number Trading Symbol Trading Symbol Senior Notes due 2064 Senior Notes due 2064 [Member] Senior Notes due 2064 4.000% Senior Notes Due 2054 4.000% Senior Notes Due 2054 [Member] 4.000% Senior Notes Due 2054 Senior Notes due 2044 Senior Notes due 2044 [Member] Senior Notes due 2044 4.625% Senior Notes due 2032 4.625% Senior Notes due 2032 [Member] 4.625% Senior Notes due 2032 3.450% Senior Notes due 2032 3.450% Senior Notes due 2032 [Member] 3.450% Senior Notes due 2032 Entity Address, City or Town Entity Address, City or Town 3.000% Senior Notes Due 2033 3.000% Senior Notes Due 2033 [Member] 3.000% Senior Notes Due 2033 Document Type Document Type Written Communications Written Communications Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Senior Notes Due 2029 Senior Notes Due 2029 [Member] Senior Notes Due 2029 4.125% Senior Notes due 2029 4.125% Senior Notes due 2029 [Member] 4.125% Senior Notes due 2029 2.375% Senior Notes due 2028 2.375% Senior Notes due 2028 [Member] 2.375% Senior Notes due 2028 3.200% Senior Notes due 2030 3.200% Senior Notes due 2030 [Member] 3.200% Senior Notes due 2030 5.500% Senior Notes due 2041 5.500% Senior Notes due 2041 [Member] 5.500% Senior Notes due 2041 Entity Emerging Growth Company Entity Emerging Growth Company 4.375% Senior Notes due 2064 4.375% Senior Notes due 2064 [Member] 4.375% Senior Notes due 2064 Series A Preferred Stock Series A Preferred Stock [Member] Security Exchange Name Security Exchange Name Senior Notes Due 2045 Senior Notes Due 2045 [Member] Senior Notes Due 2045 6.125% Senior Notes due 2126 6.125% Senior Notes due 2126 [Member] 6.125% Senior Notes due 2126 Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One 3.500% Senior Notes due 2038 3.500% Senior Notes due 2038 [Member] 3.500% Senior Notes due 2038 3.125% Senior Notes due 2034 3.125% Senior Notes due 2034 [Member] 3.125% Senior Notes due 2034 Cover page. Cover [Abstract] Entity Information [Line Items] Entity Information [Line Items] Pre-commencement Tender Offer Pre-commencement Tender Offer Class of Stock [Axis] Class of Stock [Axis] Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer 4.100% Senior Notes due 2039 4.100% Senior Notes due 2039 [Member] 4.100% Senior Notes due 2039 Senior Notes due 2031 Senior Notes due 2031 [Member] Senior Notes due 2031 Entities [Table] Entities [Table] Entity Registrant Name Entity Registrant Name Senior Notes Due 2037 Senior Notes Due 2037 [Member] Senior Notes Due 2037 4.000% Senior Notes due 2044 4.000% Senior Notes due 2044 [Member] 4.000% Senior Notes due 2044 Senior Notes Senior Notes [Member] 4.500% Senior Notes due 2045 4.500% Senior Notes due 2045 [Member] 4.500% Senior Notes due 2045 Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Senior Notes Due 2054 Senior Notes Due 2054 [Member] Senior Notes Due 2054 Series B Preferred Stock Series B Preferred Stock [Member] Senior Notes due 2034 Senior Notes due 2034 [Member] Senior Notes due 2034 Entity Address, Postal Zip Code Entity Address, Postal Zip Code