Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenue	$ 29,887	$ 30,058
Programming and production	8,415	8,823
Marketing and promotion	2,071	2,018
Depreciation	(2,231)	(2,175)
Amortization	(1,618)	(1,376)
Interest expense	(1,050)	(1,002)
Investment and other income (loss), net	(116)	298
Income before income taxes	4,492	5,105
Operating Segments
Segment Reporting Information [Line Items]
Revenue	31,281	31,368
Adjusted EBITDA	10,071	9,920
Operating Segments \| External Customers
Segment Reporting Information [Line Items]
Revenue	29,209	29,337
Operating Segments \| Residential Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	17,642	17,868
Programming and production	4,107	4,405
Other	6,617	6,611
Adjusted EBITDA	6,918	6,852
Operating Segments \| Residential Connectivity & Platforms \| External Customers
Segment Reporting Information [Line Items]
Revenue	17,606	17,830
Operating Segments \| Business Services Connectivity
Segment Reporting Information [Line Items]
Revenue	2,496	2,407
Other	1,074	1,041
Adjusted EBITDA	1,422	1,366
Operating Segments \| Business Services Connectivity \| External Customers
Segment Reporting Information [Line Items]
Revenue	2,490	2,401
Operating Segments \| Media
Segment Reporting Information [Line Items]
Revenue	6,440	6,371
Programming and production	4,011	4,140
Marketing and promotion	323	314
Other	1,102	1,090
Adjusted EBITDA	1,004	827
Operating Segments \| Media \| External Customers
Segment Reporting Information [Line Items]
Revenue	5,236	5,222
Operating Segments \| Studios
Segment Reporting Information [Line Items]
Revenue	2,826	2,743
Programming and production	1,898	1,859
Marketing and promotion	392	431
Other	237	209
Adjusted EBITDA	298	244
Operating Segments \| Studios \| External Customers
Segment Reporting Information [Line Items]
Revenue	2,001	1,905
Operating Segments \| Theme Parks
Segment Reporting Information [Line Items]
Revenue	1,876	1,979
Other	1,447	1,347
Adjusted EBITDA	429	632
Operating Segments \| Theme Parks \| External Customers
Segment Reporting Information [Line Items]
Revenue	1,876	1,979
Intersegment Eliminations
Segment Reporting Information [Line Items]
Revenue	2,072	2,031
Intersegment Eliminations \| Residential Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	36	38
Intersegment Eliminations \| Business Services Connectivity
Segment Reporting Information [Line Items]
Revenue	6	6
Intersegment Eliminations \| Media
Segment Reporting Information [Line Items]
Revenue	1,204	1,149
Intersegment Eliminations \| Studios
Segment Reporting Information [Line Items]
Revenue	825	838
Intersegment Eliminations \| Theme Parks
Segment Reporting Information [Line Items]
Revenue	0	0
Other revenue
Segment Reporting Information [Line Items]
Revenue	752	779
Other revenue \| Media, Studios, Theme Parks headquarters and other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(255)	(243)
Other revenue \| Corporate and other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(335)	(323)
Eliminations
Segment Reporting Information [Line Items]
Revenue	(2,146)	(2,089)
Adjusted EBITDA	$ 26	$ 7

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