DERIVATIVES AND HEDGING ACTIVITIES Schedule of Interest Rate Derivative Activity (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated	$ 0	$ 55
Notional Amount Of Derivative Instrument, Undesignated	0	0
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
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount Of Derivative Instrument, Terminated	0	55
Notional Amount Of Derivative Instrument, Issued	$ 0	$ 0