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FINANCIAL CHARGES AND OTHER (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
FINANCIAL CHARGES AND OTHER      
Interest expense $ 65 $ 59 $ 49
Net realized loss related to the interest rate swaps 3 2 2
Other (1) (5) (1)
Financial charges and other $ 67 $ 56 $ 50