INCOME TAXES - Unrecognized Tax Benefit Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Unrecognized Tax Benefits [Roll Forward]
Balance at the beginning of the period	$ 14	$ 17	$ 15
Additions related to prior year tax positions	0	0	2
Additions related to current year tax positions	1	1	1
Reductions related to settlements with taxing authorities	0	(2)	0
Reductions related to expiration of the applicable statute of limitations	0	(2)	(1)
Balance at the end of the period	15	14	17
Sinclair Broadcast Group, LLC
Unrecognized Tax Benefits [Roll Forward]
Balance at the beginning of the period	12	17	15
Additions related to prior year tax positions	0	0	2
Additions related to current year tax positions	1	1	1
Reductions related to positions transferred to Ventures	0	(2)	0
Reductions related to settlements with taxing authorities	0	(2)	0
Reductions related to expiration of the applicable statute of limitations	0	(2)	(1)
Balance at the end of the period	$ 13	$ 12	$ 17