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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Equity Investments (Details) - USD ($)		3 Months Ended
	Aug. 29, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Equity investments, net of cumulative impairment		$ 38,000,000		$ 28,000,000
Cumulative impairment		7,000,000		$ 7,000,000
Impairment recorded		0	$ 2,000,000
Income (loss) from equity method investments		$ (6,000,000)	$ (14,000,000)
YES Network
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	20.00%	20.00%
Cash consideration	$ 346,000,000
Income (loss) from equity method investments		$ 5,000,000