INCOME TAXES (Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Mar. 31, 2015 |
|
| Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Line Items] | ||
| Beginning balance, unrecognized tax benefits | $ (158) | |
| Activity for three months, unrecognized tax benefits | $ 0 | 8 |
| Ending balance, unrecognized tax benefits | (150) | |
| Beginning balance, accrued estimated interest and tax penalties | (41) | |
| Activity for the three months, accrued estimated interest | $ 7 | |
| Ending balance, accrued estimated interest and tax penalties | (35) | |
| Netting income tax penalties and interest expense [Member] | ||
| Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Line Items] | ||
| Activity for the three months, accrued estimated interest | $ (1) | |