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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Supplemental Cash Flow Information [Abstract]    
Other current assets $ (13) $ 15
Other noncurrent assets 14 48
Payables and other current liabilities 40 139
Long-term liabilities and equity (42) (107)
Total $ (1) $ 95