DERIVATIVES AND HEDGING ACTIVITIES Schedule of Interest Rate Derivative Activity (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated					$ 55	$ 175
Notional Amount Of Derivative Instrument, Undesignated					0	38
Notional Amount Of Derivative Instrument, Issued					$ 0	$ 0
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Undesignated	$ 0	$ 0	$ 38	$ 0
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated	0	55	175	0
Notional Amount Of Derivative Instrument, Issued	$ 0	$ 0	$ 0	$ 0