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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ (18)	$ (1)	$ (21)	$ 8
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(18)	(1)	(18)	8
Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ 0	$ 0	$ (3)	$ 0