Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenue	$ 32,070	$ 30,115	$ 91,817	$ 90,319
Depreciation	(2,219)	(2,203)	(6,548)	(6,662)
Amortization	(1,659)	(1,290)	(4,421)	(4,146)
Interest expense	(1,037)	(1,060)	(3,065)	(3,068)
Investment and other income (loss), net	(3)	50	(140)	672
Income before income taxes	4,819	5,465	15,099	16,434
Operating Segments
Segment Reporting Information [Line Items]
Revenue	33,637	31,236	95,803	94,296
Adjusted EBITDA	10,259	10,356	30,774	30,941
Operating Segments \| External Customers
Segment Reporting Information [Line Items]
Revenue	31,434	29,497	89,802	88,409
Operating Segments \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	2,203	1,739	6,001	5,886
Operating Segments \| Residential Connectivity & Platforms
Segment Reporting Information [Line Items]
Revenue	17,866	17,951	53,558	53,888
Adjusted EBITDA	6,904	6,886	20,859	20,672
Operating Segments \| Residential Connectivity & Platforms \| External Customers
Segment Reporting Information [Line Items]
Revenue	17,807	17,901	53,431	53,742
Operating Segments \| Residential Connectivity & Platforms \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	59	50	127	146
Operating Segments \| Business Services Connectivity
Segment Reporting Information [Line Items]
Revenue	2,425	2,320	7,253	6,894
Adjusted EBITDA	1,391	1,335	4,137	3,988
Operating Segments \| Business Services Connectivity \| External Customers
Segment Reporting Information [Line Items]
Revenue	2,419	2,314	7,236	6,878
Operating Segments \| Business Services Connectivity \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	6	6	17	17
Operating Segments \| Media
Segment Reporting Information [Line Items]
Revenue	8,231	6,029	20,926	18,376
Adjusted EBITDA	650	723	2,832	2,847
Operating Segments \| Media \| External Customers
Segment Reporting Information [Line Items]
Revenue	6,926	4,869	17,338	14,884
Operating Segments \| Media \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	1,305	1,160	3,588	3,492
Operating Segments \| Studios
Segment Reporting Information [Line Items]
Revenue	2,826	2,518	7,822	8,561
Adjusted EBITDA	468	429	835	961
Operating Segments \| Studios \| External Customers
Segment Reporting Information [Line Items]
Revenue	1,993	1,994	5,555	6,328
Operating Segments \| Studios \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	833	524	2,268	2,233
Operating Segments \| Theme Parks
Segment Reporting Information [Line Items]
Revenue	2,289	2,418	6,243	6,576
Adjusted EBITDA	847	983	2,111	2,473
Operating Segments \| Theme Parks \| External Customers
Segment Reporting Information [Line Items]
Revenue	2,289	2,419	6,242	6,577
Operating Segments \| Theme Parks \| Intersegment Customers
Segment Reporting Information [Line Items]
Revenue	0	(1)	1	(1)
Other revenue
Segment Reporting Information [Line Items]
Revenue	686	656	2,181	2,048
Other revenue \| Media, Studios, Theme Parks headquarters and other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(200)	(178)	(642)	(610)
Other revenue \| Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	(300)	(244)	(881)	(824)
Eliminations
Segment Reporting Information [Line Items]
Revenue	(2,253)	(1,777)	(6,167)	(6,025)
Adjusted EBITDA	$ (21)	$ 33	$ 22	$ 131

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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