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INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Benefit from income taxes	$ 112	$ 9	$ 138	$ 83
Benefit for discrete items			99	52
Tax benefit related to release of valuation allowance			64
Tax charges (benefits) related to changes in uncertain tax positions			(12)	4
Tax benefit related to change in New Jersey law			17
Tax benefit related to stock compensation			4
Tax benefit related to filing certain tax returns			2	24
Income tax benefit on ordinary loss			39	31
Tax benefit related to royalty payments by affiliate				$ 32
Valuation allowance against deferred tax assets	2,762		2,762		$ 2,831
Unrecognized tax benefits including interest and penalties	989		989		1,002
Unrecognized tax benefits related to interest and penalties	48		48		$ 45
Portion of unrecognized tax benefits, if recognized, would reduce the Company's effective tax rate	342		342
Unrecognized tax benefit, amount possible to decrease in next twelve months	$ 136		$ 136

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