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Segment Information - Schedule of Financial Data by Business Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Revenue	$ 30,058	$ 29,691
Adjusted EBITDA	9,355	9,415
Operating Segments | Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	20,275	20,153
Adjusted EBITDA	8,218	8,093
Operating Segments | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	10,374	10,259
Adjusted EBITDA	1,493	1,607
Headquarters/Corporate and Other
Segment Reporting Information [Line Items]
Revenue	767	707
Adjusted EBITDA	(329)	(288)
Headquarters/Corporate and Other | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	12	19
Adjusted EBITDA	(243)	(232)
Eliminations
Segment Reporting Information [Line Items]
Revenue	2,089	2,244
Eliminations | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	(731)	(817)
Adjusted EBITDA	33	24
Eliminations | Inter-Business Unit Eliminations
Segment Reporting Information [Line Items]
Revenue	(1,358)	(1,427)
Adjusted EBITDA	(26)	3
Residential Connectivity & Platforms | Operating Segments
Segment Reporting Information [Line Items]
Revenue	17,868	17,869
Adjusted EBITDA	6,852	6,762
Residential Connectivity & Platforms | Operating Segments | Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	17,868	17,869
Business Services Connectivity | Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,407	2,283
Adjusted EBITDA	1,366	1,332
Business Services Connectivity | Operating Segments | Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	2,407	2,283
Media | Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,371	6,152
Adjusted EBITDA	827	880
Media | Operating Segments | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	6,371	6,152
Studios | Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,743	2,956
Adjusted EBITDA	244	277
Studios | Operating Segments | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	2,743	2,956
Theme Parks | Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,979	1,949
Adjusted EBITDA	632	658
Theme Parks | Operating Segments | Content & Experiences
Segment Reporting Information [Line Items]
Revenue	$ 1,979	$ 1,949

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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