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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 29,688	$ 30,513	$ 59,746	$ 60,205
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue	30,798	31,851	62,166	63,060
Operating Segments | Residential Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	17,824	18,068	35,692	35,937
Operating Segments | Residential Connectivity & Platforms | Residential Connectivity
Disaggregation of Revenue [Line Items]
Revenue	8,736	8,248	17,415	16,346
Operating Segments | Residential Connectivity & Platforms | Domestic broadband
Disaggregation of Revenue [Line Items]
Revenue	6,569	6,377	13,160	12,720
Operating Segments | Residential Connectivity & Platforms | Domestic wireless
Disaggregation of Revenue [Line Items]
Revenue	1,019	869	1,991	1,727
Operating Segments | Residential Connectivity & Platforms | International connectivity
Disaggregation of Revenue [Line Items]
Revenue	1,148	1,002	2,264	1,900
Operating Segments | Residential Connectivity & Platforms | Video
Disaggregation of Revenue [Line Items]
Revenue	6,781	7,358	13,658	14,741
Operating Segments | Residential Connectivity & Platforms | Advertising
Disaggregation of Revenue [Line Items]
Revenue	993	993	1,944	1,900
Operating Segments | Residential Connectivity & Platforms | Other
Disaggregation of Revenue [Line Items]
Revenue	1,313	1,469	2,675	2,950
Operating Segments | Business Services Connectivity
Disaggregation of Revenue [Line Items]
Revenue	2,421	2,292	4,829	4,575
Operating Segments | Media
Disaggregation of Revenue [Line Items]
Revenue	6,324	6,195	12,695	12,347
Operating Segments | Media | Other
Disaggregation of Revenue [Line Items]
Revenue	467	518	887	928
Operating Segments | Media | Domestic advertising
Disaggregation of Revenue [Line Items]
Revenue	1,991	2,027	4,016	4,051
Operating Segments | Media | Domestic distribution
Disaggregation of Revenue [Line Items]
Revenue	2,764	2,615	5,670	5,325
Operating Segments | Media | International networks
Disaggregation of Revenue [Line Items]
Revenue	1,102	1,035	2,123	2,043
Operating Segments | Studios
Disaggregation of Revenue [Line Items]
Revenue	2,253	3,087	4,996	6,043
Operating Segments | Studios | Other
Disaggregation of Revenue [Line Items]
Revenue	302	354	614	646
Operating Segments | Studios | Content licensing
Disaggregation of Revenue [Line Items]
Revenue	1,714	1,821	3,815	4,165
Operating Segments | Studios | Theatrical
Disaggregation of Revenue [Line Items]
Revenue	237	913	567	1,232
Operating Segments | Theme Parks
Disaggregation of Revenue [Line Items]
Revenue	1,975	2,209	3,954	4,158
Headquarters/Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	715	665	1,494	1,391
Eliminations
Disaggregation of Revenue [Line Items]
Revenue	$ (1,825)	$ (2,003)	$ (3,914)	$ (4,247)

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