Annual report pursuant to Section 13 and 15(d)

ASSET RETIREMENT OBLIGATIONS (Details)

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ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
ASSET RETIREMENT OBLIGATIONS    
Asset retirement obligations at beginning of year $ 52 $ 26
Accretion expense 2 3
Liabilities assumed in connection with the Rockwood Acquisition   30
Liabilities settled (4) (1)
Foreign currency effect on reserve balance (2) (6)
Asset retirement obligations at end of year $ 48 $ 52