NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 776	$ 798
Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	451	436
Core advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	292	297
Political advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	6	24
Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	27	41
Operating Segments | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	694	727
Operating Segments | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	68	63
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Total revenues	21	15
Operating Segments | Distribution revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	395	384
Operating Segments | Distribution revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	56	52
Operating Segments | Distribution revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments | Core advertising revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	271	284
Operating Segments | Core advertising revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	11	10
Operating Segments | Core advertising revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	15	6
Operating Segments | Political advertising revenue | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	6	24
Operating Segments | Political advertising revenue | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments | Political advertising revenue | Other
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Operating Segments | Other media, non-media, and intercompany revenues | Local Media
Disaggregation of Revenue [Line Items]
Total revenues	22	35
Operating Segments | Other media, non-media, and intercompany revenues | Tennis
Disaggregation of Revenue [Line Items]
Total revenues	1	1
Operating Segments | Other media, non-media, and intercompany revenues | Other
Disaggregation of Revenue [Line Items]
Total revenues	6	9
Eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(7)	(7)
Eliminations | Distribution revenue
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Eliminations | Core advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	(5)	(3)
Eliminations | Political advertising revenue
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Eliminations | Other media, non-media, and intercompany revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ (2)	$ (4)