RESTRUCTURING, TRANSACTION-RELATED ITEMS, AND OTHER CORPORATE MATTERS - Rollforward of Restructuring Liability (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 192	$ 302
Charges	488	62
Payments	(331)	(172)
Restructuring reserve, ending balance	349	192	$ 302
Lease asset impairments	31	35	68
Stock-based compensation	245	177	172
Restructuring, Transaction-Related Items, And Other Corporate Matters
Restructuring Reserve [Roll Forward]
Lease asset impairments	31	35
Stock-based compensation	35	5
Operating Segments | TV Media
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	162	251
Charges	181	42
Payments	(187)	(131)
Restructuring reserve, ending balance	156	162	251
Operating Segments | Direct-to-Consumer
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	6	8
Charges	66	3
Payments	(36)	(5)
Restructuring reserve, ending balance	36	6	8
Operating Segments | Filmed Entertainment
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	14	29
Charges	70	5
Payments	(38)	(20)
Restructuring reserve, ending balance	46	14	29
Corporate
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	10	14
Charges	171	12
Payments	(70)	(16)
Restructuring reserve, ending balance	$ 111	$ 10	$ 14