v3.21.2
OTHER NON-CURRENT ASSETS - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - Long-term receivables - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Financing Receivable, Allowance for Credit Loss    
Beginning balance $ 63 $ 96
Bad debt provisions 2 5
Recoveries (4) (11)
Write-offs (4) 0
Transfers (1) 0
Foreign exchange translation (2) (27)
Ending balance $ 54 $ 63