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COMMITMENTS AND CONTINGENCIES - Litigation (Details)
$ in Millions
Mar. 02, 2020
lawsuit
Aug. 09, 2018
USD ($)
Dec. 21, 2017
USD ($)
Dec. 31, 2019
USD ($)
Oct. 03, 2018
lawsuit
Various Cases Alleging Violation Of Sherman Antitrust Act          
Loss Contingencies [Line Items]          
Number of other broadcasters | lawsuit         13
Breach Of Merger Agreement          
Loss Contingencies [Line Items]          
Money damages sought   $ 1,000      
Estimated liability       $ 175  
Unfavorable Regulatory Action          
Loss Contingencies [Line Items]          
Money damages sought     $ 13    
Subsequent Event | Various Cases Alleging Violation Of Sherman Antitrust Act          
Loss Contingencies [Line Items]          
Number of new claims | lawsuit 22