DERIVATIVES AND HEDGING ACTIVITIES DERIVATIVES AND HEDGING ACTIVITIES (Schedule of Interest Rate Derivative Activity) (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2015	Sep. 30, 2014
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated							$ 175	$ 0
Notional Amount Of Derivative Instrument, Undesignated							38	0
Notional Amount Of Derivative Instrument, Issued							$ 0	$ 55
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Undesignated	$ 0	$ 38	$ 0	$ 0	$ 0	$ 0
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated	0	175	0	0	0	0
Notional Amount Of Derivative Instrument, Issued	$ 0	$ 0	$ 0	$ 0	$ 0	$ 55