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