v3.21.2
OTHER NON-CURRENT ASSETS - ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - Long-term receivables - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Financing Receivable, Allowance for Credit Loss    
Beginning balance $ 63 $ 96
Bad debt provisions 3 4
Recoveries (3) (9)
Write-offs (4) 0
Transfers 0 0
Foreign exchange translation 2 (27)
Ending balance $ 61 $ 64