OTHER ASSETS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	$ 78,000,000	$ (1,000,000)	$ 92,000,000	$ 30,000,000
Unrealized loss on FV-NI and NAV investments	45,000,000	47,000,000	43,000,000	48,000,000
Equity investments, net of cumulative impairment	38,000,000		38,000,000		$ 36,000,000
Impairment recorded	2,000,000	6,000,000	2,000,000	6,000,000
DSIH
Schedule of Equity Method Investments [Line Items]
Fair value of equity method investments	0	0	0	0
Income (loss) from equity method investments	0	0	0	0
Sinclair Broadcast Group, LLC
Schedule of Equity Method Investments [Line Items]
Income (loss) from equity method investments	0	0	0	31,000,000
Unrealized loss on FV-NI and NAV investments		72,000,000		73,000,000
Equity investments, net of cumulative impairment	4,000,000		4,000,000
Impairment recorded	0	6,000,000	0	6,000,000
Sinclair Broadcast Group, LLC | DSIH
Schedule of Equity Method Investments [Line Items]
Fair value of equity method investments	0	0	0	0
Income (loss) from equity method investments	$ 0	$ 0	$ 0	$ 0