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OTHER NON-CURRENT ASSETS - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - Long-term receivables - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Allowance for Doubtful Accounts Related to Long Term Receivables    
Beginning balance $ 100 $ 153
Bad debt provisions 3 11
Recoveries (12) (20)
Write-offs (1) (2)
Transfers   5
Foreign exchange translation 19 (47)
Ending balance $ 109 $ 100