DERIVATIVES AND HEDGING ACTIVITIES DERIVATIVES AND HEDGING ACTIVITIES (Schedule of Interest Rate Derivative Activity) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2015 |
Mar. 31, 2015 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Jun. 30, 2015 |
Jun. 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 | $ 38 | $ 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 | 175 | 0 | 0 | 0 | ||
| Notional Amount Of Derivative Instrument, Issued | $ 0 | $ 0 | $ 0 | $ 55 | ||