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RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Defined Contribution Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Contribution Plans      
Other long-term liabilities for the supplemental retirement plan $ 31 $ 32  
Expenses under provisions of defined contribution and savings plans $ 32 $ 39 $ 29