GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Definite Lived Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amortized intangible assets:
Gross Carrying Value	$ 2,569	$ 2,573
Accumulated Amortization	(1,790)	(1,627)
Finite-lived intangible assets, net	779	946
Estimated amortization expense of the definite-lived intangible assets
2024	149
2025	143
2026	141
2027	127
2028	101
2029 and thereafter	118
Finite-lived intangible assets, net	779	946
Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	2,273	2,573
Accumulated Amortization	(1,626)	(1,627)
Finite-lived intangible assets, net	647	946
Estimated amortization expense of the definite-lived intangible assets
2024	129
2025	123
2026	122
2027	109
2028	83
2029 and thereafter	81
Finite-lived intangible assets, net	647	946
Consolidated VIEs
Amortized intangible assets:
Finite-lived intangible assets, net	33	40
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	33	40
Consolidated VIEs | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Finite-lived intangible assets, net	33	40
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	33	40
Customer relationships
Amortized intangible assets:
Gross Carrying Value	1,098	1,103
Accumulated Amortization	(729)	(659)
Finite-lived intangible assets, net	369	444
Intangible asset deconsolidated		3,330
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	369	444
Customer relationships | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	817	1,103
Accumulated Amortization	(579)	(659)
Finite-lived intangible assets, net	238	444
Finite-lived intangible assets, transfers	142
Intangible asset deconsolidated		3,330
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	238	444
Other definite-lived intangible assets, net
Amortized intangible assets:
Gross Carrying Value	1,471	1,470
Accumulated Amortization	(1,061)	(968)
Finite-lived intangible assets, net	410	502
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	410	502
Other definite-lived intangible assets, net | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	1,456	1,470
Accumulated Amortization	(1,047)	(968)
Finite-lived intangible assets, net	409	502
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	409	502
Network affiliation
Amortized intangible assets:
Gross Carrying Value	1,435	1,436
Accumulated Amortization	(1,032)	(948)
Finite-lived intangible assets, net	403	488
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	403	488
Network affiliation | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	1,435	1,436
Accumulated Amortization	(1,032)	(948)
Finite-lived intangible assets, net	403	488
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	403	488
Other
Amortized intangible assets:
Gross Carrying Value	36	34
Accumulated Amortization	(29)	(20)
Finite-lived intangible assets, net	7	14
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	7	14
Other | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Gross Carrying Value	21	34
Accumulated Amortization	(15)	(20)
Finite-lived intangible assets, net	6	14
Finite-lived intangible assets, transfers	7
Estimated amortization expense of the definite-lived intangible assets
Finite-lived intangible assets, net	$ 6	14
Sports contracts
Amortized intangible assets:
Intangible asset deconsolidated		585
Sports contracts | Sinclair Broadcast Group, LLC
Amortized intangible assets:
Intangible asset deconsolidated		$ 585