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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 917	$ 767	$ 2,544	$ 2,308
Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	434	414	1,305	1,258
Core advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	295	293	895	902
Political advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	138	11	202	20
Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	50	49	142	128
Operating Segments | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	845	697	2,322	2,101
Operating Segments | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	60	59	190	174
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Total revenues	19	17	54	48
Operating Segments | Distribution revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	383	365	1,151	1,118
Operating Segments | Distribution revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	51	49	154	140
Operating Segments | Distribution revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Core advertising revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	283	281	852	861
Operating Segments | Core advertising revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	8	9	32	32
Operating Segments | Core advertising revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	9	6	24	18
Operating Segments | Political advertising revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	138	11	202	20
Operating Segments | Political advertising revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Political advertising revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Other media, non-media, and intercompany revenues | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	41	40	117	102
Operating Segments | Other media, non-media, and intercompany revenues | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	1	1	4	2
Operating Segments | Other media, non-media, and intercompany revenues | Other
Disaggregation of Revenue [Line Items]
Total revenues	10	11	30	30
Eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(7)	(6)	(22)	(15)
Eliminations | Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Eliminations | Core advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	(5)	(3)	(13)	(9)
Eliminations | Political advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Eliminations | Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ (2)	$ (3)	$ (9)	$ (6)