REVENUES - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 9,812	$ 9,713	$ 18,791	$ 19,671
Distribution
Disaggregation of Revenue [Line Items]
Total revenues	4,885	4,879	9,771	9,864
Advertising
Disaggregation of Revenue [Line Items]
Total revenues	2,216	2,430	4,196	4,578
Content
Disaggregation of Revenue [Line Items]
Total revenues	2,471	2,109	4,337	4,667
Other
Disaggregation of Revenue [Line Items]
Total revenues	240	295	487	562
Operating Segments \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	2,793	2,568	5,449	5,028
Operating Segments \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	3,801	2,449	6,115	5,270
Operating Segments \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	4,803	5,272	9,577	10,397
Operating Segments \| Distribution \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	2,410	2,202	4,739	4,387
Operating Segments \| Distribution \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	1	3	2	8
Operating Segments \| Distribution \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	2,477	2,675	5,035	5,472
Operating Segments \| Advertising \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	282	240	519	415
Operating Segments \| Advertising \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	0	0	1	4
Operating Segments \| Advertising \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	1,953	2,214	3,711	4,201
Operating Segments \| Content \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	102	123	190	222
Operating Segments \| Content \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	3,591	2,237	5,730	4,860
Operating Segments \| Content \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	287	299	667	563
Operating Segments \| Other \| Streaming
Disaggregation of Revenue [Line Items]
Total revenues	(1)	3	1	4
Operating Segments \| Other \| Studios
Disaggregation of Revenue [Line Items]
Total revenues	209	209	382	398
Operating Segments \| Other \| Global Linear Networks
Disaggregation of Revenue [Line Items]
Total revenues	86	84	164	161
Corporate and Inter-segment Eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(1,585)	(576)	(2,350)	(1,024)
Corporate and Inter-segment Eliminations \| Distribution
Disaggregation of Revenue [Line Items]
Total revenues	(3)	(1)	(5)	(3)
Corporate and Inter-segment Eliminations \| Advertising
Disaggregation of Revenue [Line Items]
Total revenues	(19)	(24)	(35)	(42)
Corporate and Inter-segment Eliminations \| Content
Disaggregation of Revenue [Line Items]
Total revenues	(1,509)	(550)	(2,250)	(978)
Corporate and Inter-segment Eliminations \| Other
Disaggregation of Revenue [Line Items]
Total revenues	$ (54)	$ (1)	$ (60)	$ (1)