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SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Supplemental Cash Flow Information [Abstract]    
Other current assets $ 7 $ 2
Other noncurrent assets 9 6
Payables and other current liabilities 58 59
Long-term liabilities and equity (3) (14)
Total $ 71 $ 53