INCOME TAXES (Uncertain Tax Positions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning of Period	$ 16	$ 13
Additions Based on Tax Positions Taken in the Current Year	2	3
End of Period	$ 18	$ 16