NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 843	$ 1,535	$ 2,968	$ 4,658
Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	425	1,053	1,728	3,240
Advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	374	446	1,111	1,308
Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	44	36	129	110
Operating Segments | Broadcast
Disaggregation of Revenue [Line Items]
Total revenues	753	701	2,206	2,053
Operating Segments | Local sports
Disaggregation of Revenue [Line Items]
Total revenues	0	759	482	2,365
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Total revenues	103	117	368	345
Operating Segments | Distribution revenue | Broadcast
Disaggregation of Revenue [Line Items]
Total revenues	381	372	1,158	1,096
Operating Segments | Distribution revenue | Local sports
Disaggregation of Revenue [Line Items]
Total revenues	0	633	433	1,997
Operating Segments | Distribution revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	44	48	137	147
Operating Segments | Advertising revenue | Broadcast
Disaggregation of Revenue [Line Items]
Total revenues	339	283	937	830
Operating Segments | Advertising revenue | Local sports
Disaggregation of Revenue [Line Items]
Total revenues	0	118	44	345
Operating Segments | Advertising revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	46	55	184	149
Operating Segments | Other media, non-media, and intercompany revenues | Broadcast
Disaggregation of Revenue [Line Items]
Total revenues	33	46	111	127
Operating Segments | Other media, non-media, and intercompany revenues | Local sports
Disaggregation of Revenue [Line Items]
Total revenues	0	8	5	23
Operating Segments | Other media, non-media, and intercompany revenues | Other
Disaggregation of Revenue [Line Items]
Total revenues	13	14	47	49
Eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(13)	(42)	(88)	(105)
Eliminations | Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Eliminations | Advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	(11)	(10)	(54)	(16)
Eliminations | Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ (2)	$ (32)	$ (34)	$ (89)