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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Environmental Matters [Abstract]    
Beginning of period $ 654  
Accruals for environmental matters deemed probable and reasonably estimable 161  
Environmental liability payments (183)  
Other 20  
End of period 652  
Loss Contingency Classification of Accrual [Abstract]    
Accrued liabilities 304 304
Other liabilities 348 350
Total environmental liabilities $ 652