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RECEIVABLES, NET- Details of receivables (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Receivables [Abstract]        
Customers $ 2,636 $ 1,713    
Indirect taxes 177 106    
Other 117 108    
Gross receivables 2,930 1,927    
Allowance for credit losses (11) (6) $ (7) $ (6)
Total receivables, net $ 2,919 $ 1,921