COMMITMENTS AND CONTINGENCIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Environmental Matters [Abstract]
Beginning of period	$ 654,000,000	$ 723,000,000	$ 753,000,000
Accruals for environmental matters deemed probable and reasonably estimable	272,000,000	234,000,000	240,000,000
Environmental liability payments	(304,000,000)	(320,000,000)	(270,000,000)
Other	21,000,000	17,000,000	0
End of period	643,000,000	654,000,000	723,000,000
Loss Contingency Classification of Accrual [Abstract]
Accrued liabilities	304,000,000	304,000,000
Other liabilities	339,000,000	350,000,000
Total environmental liabilities	$ 643,000,000	$ 654,000,000	$ 723,000,000