REVENUES - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 9,045	$ 9,623	$ 27,836	$ 29,294
Distribution
Disaggregation of Revenue [Line Items]
Total revenues	4,702	4,920	14,473	14,784
Advertising
Disaggregation of Revenue [Line Items]
Total revenues	1,407	1,682	5,603	6,260
Content
Disaggregation of Revenue [Line Items]
Total revenues	2,649	2,721	6,986	7,388
Other
Disaggregation of Revenue [Line Items]
Total revenues	287	300	774	862
Operating Segments \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	2,633	2,634	8,082	7,662
Operating Segments \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	3,321	2,680	9,436	7,950
Operating Segments \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	3,883	5,010	13,460	15,407
Operating Segments \| Distribution \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	2,317	2,320	7,056	6,707
Operating Segments \| Distribution \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	2	6	4	14
Operating Segments \| Distribution \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	2,387	2,598	7,422	8,070
Operating Segments \| Advertising \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	235	205	754	620
Operating Segments \| Advertising \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	0	1	1	5
Operating Segments \| Advertising \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	1,186	1,490	4,897	5,691
Operating Segments \| Content \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	79	107	269	329
Operating Segments \| Content \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	3,111	2,463	8,841	7,323
Operating Segments \| Content \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	217	833	884	1,396
Operating Segments \| Other \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	2	2	3	6
Operating Segments \| Other \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	208	210	590	608
Operating Segments \| Other \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	93	89	257	250
Corporate and Inter-segment Eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(792)	(701)	(3,142)	(1,725)
Corporate and Inter-segment Eliminations \| Distribution
Disaggregation of Revenue [Line Items]
Total revenues	(4)	(4)	(9)	(7)
Corporate and Inter-segment Eliminations \| Advertising
Disaggregation of Revenue [Line Items]
Total revenues	(14)	(14)	(49)	(56)
Corporate and Inter-segment Eliminations \| Content
Disaggregation of Revenue [Line Items]
Total revenues	(758)	(682)	(3,008)	(1,660)
Corporate and Inter-segment Eliminations \| Other
Disaggregation of Revenue [Line Items]
Total revenues	$ (16)	$ (1)	$ (76)	$ (2)