COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Accrual For Environmental Loss Contingencies [RollForward]
Beginning of period	$ 518
Accruals for environmental matters deemed probable and reasonably estimable	83
Environmental liability payments	(77)
Other	(1)
End of period	523
Loss Contingency Classification of Accrual [Abstract]
Accrued liabilities		$ 252	$ 253
Other liabilities		271	265
Total environmental liabilities	$ 523	$ 523	$ 518