Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 121,572	$ 121,427	$ 116,385
Eliminations
Disaggregation of Revenue [Line Items]
Revenue	8,383	9,032	9,831
Eliminations \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	(2,800)	(3,442)	(3,048)
Eliminations \| Inter-Business Unit Eliminations
Disaggregation of Revenue [Line Items]
Revenue	(5,583)	(5,590)	(6,783)
Eliminations \| Residential Connectivity & Platforms \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	207	208	219
Eliminations \| Business Services Connectivity \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	22	21	25
Eliminations \| Media \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	4,621	4,572	5,776
Eliminations \| Studios \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	3,317	3,963	3,548
Eliminations \| Theme Parks \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	(1)	1	2
Operating Segments \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	81,201	81,205	80,750
Operating Segments \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	43,191	43,151	39,574
Operating Segments \| Residential Connectivity & Platforms \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	71,946	72,386	72,694
Operating Segments \| Residential Connectivity & Platforms \| Domestic broadband \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	25,489	24,469	22,979
Operating Segments \| Residential Connectivity & Platforms \| Domestic wireless \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	3,664	3,071	2,380
Operating Segments \| Residential Connectivity & Platforms \| International connectivity \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	4,207	3,426	3,293
Operating Segments \| Residential Connectivity & Platforms \| Total residential connectivity \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	33,359	30,966	28,652
Operating Segments \| Residential Connectivity & Platforms \| Video \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	28,797	30,496	32,440
Operating Segments \| Residential Connectivity & Platforms \| Advertising \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	3,969	4,546	4,507
Operating Segments \| Residential Connectivity & Platforms \| Other \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	5,820	6,378	7,095
Operating Segments \| Business Services Connectivity \| Connectivity & Platforms
Disaggregation of Revenue [Line Items]
Revenue	9,255	8,819	8,056
Operating Segments \| Media \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	25,355	26,719	27,406
Operating Segments \| Media \| Other \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	1,983	2,105	2,090
Operating Segments \| Media \| Domestic advertising \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	8,600	10,360	10,177
Operating Segments \| Media \| Domestic distribution \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	10,663	10,525	10,080
Operating Segments \| Media \| International networks \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	4,109	3,729	5,060
Operating Segments \| Studios \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	11,625	12,257	10,077
Operating Segments \| Studios \| Other \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	1,315	1,302	1,193
Operating Segments \| Studios \| Content licensing \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	8,231	9,348	8,193
Operating Segments \| Studios \| Theatrical \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	2,079	1,607	691
Operating Segments \| Theme Parks \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	8,947	7,541	5,051
Headquarters/Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	2,763	2,662	2,844
Headquarters/Corporate and Other \| Content & Experiences
Disaggregation of Revenue [Line Items]
Revenue	$ 64	$ 75	$ 87