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CONTINGENCIES (Insurance) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]    
Self insurance reserve $ 57  
Self insurance reserve, current 10  
Self insurance reserve, non-current 47 $ 51
Insurance Settlements Receivable 16  
Insurance Settlements Receivable, Current 2  
Insurance Settlements Receivable, Noncurrent $ 14