DERIVATIVES AND HEDGING ACTIVITIES Gains Losses Recognized in Accumulated Other Comprehensive Income AOCI Net of Tax Related to Derivative Instruments (Details) - Other Comprehensive Income (Loss) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 0	$ (3)
Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ 0	$ (3)