VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Variable Interest Entity [Line Items]
Equity method investments	$ 113		$ 128
Consolidated VIEs
Variable Interest Entity [Line Items]
Variable interest entities outsourcing agreement initial term	5 years
Consolidated VIEs | Eliminations
Variable Interest Entity [Line Items]
Liabilities associated with the certain outsourcing agreements and purchase options	$ 130		130
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Gain from related equity investments and other investments	(1)	$ 35
Variable Interest Entity, Not Primary Beneficiary | DSIH
Variable Interest Entity [Line Items]
Equity method investments	0
Sinclair Broadcast Group, LLC
Variable Interest Entity [Line Items]
Equity method investments	$ 1		1
Sinclair Broadcast Group, LLC | Consolidated VIEs
Variable Interest Entity [Line Items]
Variable interest entities outsourcing agreement initial term	5 years
Sinclair Broadcast Group, LLC | Consolidated VIEs | Eliminations
Variable Interest Entity [Line Items]
Liabilities associated with the certain outsourcing agreements and purchase options	$ 130		$ 130
Sinclair Broadcast Group, LLC | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Gain from related equity investments and other investments		$ 35
Sinclair Broadcast Group, LLC | Variable Interest Entity, Not Primary Beneficiary | DSIH
Variable Interest Entity [Line Items]
Equity method investments	$ 0