Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2022
Operating Expenses
Net loss from discontinued operations	$ (181)	$ (2,297)	$ (2,299)
Goodwill impairment	24,812
Assets
Current assets	0	119,776
Liabilities [Abstract]
Current liabilities	0	33,555
Discontinued Operations
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues	9,454	34,826	28,710
Operating Expenses
Cost of revenues	5,481	19,400	14,269
Selling, general and administrative	2,791	8,275	7,222
Asset abandonments and impairments	0	4,691	3,193
Depreciation and amortization	1,172	5,010	5,993
Total operating expenses	9,444	37,376	30,677
Interest expense	131	168	198
Equity in net income (loss) of affiliates	(27)	28	6
Other income (expense) — net	(87)	466	(343)
Total other income (expense)	(245)	326	(535)
Net loss before income taxes	(235)	(2,224)	(2,502)
Income tax expense (benefit)	(54)	73	(203)
Net loss from discontinued operations	$ (181)	(2,297)	(2,299)
Assets
Current assets		9,005
Noncurrent Inventories and Theatrical Film and Television Production Costs		18,983
Property, Plant and Equipment — Net		4,255
Goodwill		40,484
Other Intangibles — Net		40,273
Other Assets		6,776
Total Assets, discontinued operations		119,776
Liabilities [Abstract]
Current liabilities		12,912
Other liabilities		20,643
Total Liabilities, discontinued operations		33,555
Discontinued Operations | Vrio
Operating Expenses
Asset Impairment Charges		4,555
Goodwill impairment			2,200
Discontinued Operations | WarnerMedia
Assets
Total Assets, discontinued operations				$ 121,100
Liabilities [Abstract]
Total Liabilities, discontinued operations				$ 70,600
Discontinued Operations | Playdemic Ltd
Operating Expenses
Gain (Loss) on Disposition of Business		$ 706
Broadcast, programming and operations | Discontinued Operations | WarnerMedia
Operating Expenses
Asset Impairment Charges			$ 1,000