Segment Information - Intersegment Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 30,513	$ 30,016	$ 60,205	$ 61,026
Eliminations
Segment Reporting Information [Line Items]
Revenue	2,003	2,053	4,247	4,509
Headquarters/Corporate and Other
Segment Reporting Information [Line Items]
Revenue	33	36	87	94
Connectivity & Platforms | Eliminations | Residential Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	43	50	96	107
Connectivity & Platforms | Eliminations | Business Services Connectivity
Segment Reporting Information [Line Items]
Revenue	11	11	11	11
Content & Experiences | Eliminations
Segment Reporting Information [Line Items]
Revenue	(631)	(664)	(1,448)	(1,566)
Content & Experiences | Eliminations | Media
Segment Reporting Information [Line Items]
Revenue	1,164	1,117	2,332	2,420
Content & Experiences | Eliminations | Studios
Segment Reporting Information [Line Items]
Revenue	747	833	1,709	1,858
Content & Experiences | Eliminations | Theme Parks
Segment Reporting Information [Line Items]
Revenue	0	0	0	0
Content & Experiences | Headquarters/Corporate and Other
Segment Reporting Information [Line Items]
Revenue	$ 5	$ 6	$ 13	$ 18