COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
|
| Accrual For Environmental Loss Contingencies [RollForward] | |||
| Beginning of period | $ 518 | ||
| Accruals for environmental matters deemed probable and reasonably estimable | 132 | ||
| Environmental liability payments | (144) | ||
| Other | (4) | ||
| End of period | 502 | ||
| Loss Contingency Classification of Accrual [Abstract] | |||
| Accrued liabilities | $ 251 | $ 253 | |
| Other liabilities | 251 | 265 | |
| Total environmental liabilities | $ 518 | $ 502 | $ 518 |