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FINANCIAL CHARGES AND OTHER (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
FINANCIAL CHARGES AND OTHER        
Interest Expense $ 16 $ 15 $ 49 $ 44
Net realized loss related to the interest rate swaps 1 1 2 2
Other Income   (4) (1) (5)
Financial charges and other $ 17 $ 12 $ 50 $ 41