DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Amounts Recognized in Net Income (Details) - Interest expense - net [Member] - Fair value hedging [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amounts recognized in net income	$ 0	$ 0	$ 0	$ 0
Fixed-to-floating interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amounts recognized in net income	(28)	65	78	62
Related long-term debt converted to floating interest rates by interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amounts recognized in net income	$ 28	$ (65)	$ (78)	$ (62)