GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Definite Lived Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Amortized intangible assets:
Gross Carrying Value	$ 2,569	$ 2,569
Accumulated Amortization	(1,939)	(1,790)
Finite-lived intangible assets, net	630	779
Estimated amortization expense of the definite-lived intangible assets
2025	143
2026	141
2027	127
2028	101
2029	65
2030 and thereafter	53
Finite-lived intangible assets, net	630	779
Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	2,273	2,273
Accumulated Amortization	(1,756)	(1,626)
Finite-lived intangible assets, net	517	647
Estimated amortization expense of the definite-lived intangible assets
2025	123
2026	122
2027	109
2028	83
2029	48
2030 and thereafter	32
Finite-lived intangible assets, net	517	647
Consolidated VIEs
Amortized intangible assets:
Finite-lived intangible assets, net	26	33
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	26	33
Consolidated VIEs | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Finite-lived intangible assets, net	26	33
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	26	33
Customer relationships
Amortized intangible assets:
Gross Carrying Value	1,098	1,098
Accumulated Amortization	(796)	(729)
Finite-lived intangible assets, net	302	369
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	302	369
Customer relationships | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	817	817
Accumulated Amortization	(626)	(579)
Finite-lived intangible assets, net	191	238
Finite-lived intangible assets, transfers		142
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	191	238
Other definite-lived intangible assets, net
Amortized intangible assets:
Gross Carrying Value	1,471	1,471
Accumulated Amortization	(1,143)	(1,061)
Finite-lived intangible assets, net	328	410
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	328	410
Other definite-lived intangible assets, net | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	1,456	1,456
Accumulated Amortization	(1,130)	(1,047)
Finite-lived intangible assets, net	326	409
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	326	409
Network affiliation
Amortized intangible assets:
Gross Carrying Value	1,435	1,435
Accumulated Amortization	(1,112)	(1,032)
Finite-lived intangible assets, net	323	403
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	323	403
Network affiliation | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	1,435	1,435
Accumulated Amortization	(1,112)	(1,032)
Finite-lived intangible assets, net	323	403
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	323	403
Other
Amortized intangible assets:
Gross Carrying Value	36	36
Accumulated Amortization	(31)	(29)
Finite-lived intangible assets, net	5	7
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	5	7
Other | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	21	21
Accumulated Amortization	(18)	(15)
Finite-lived intangible assets, net	3	6
Finite-lived intangible assets, transfers		7
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	$ 3	$ 6