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Receivables (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Receivables [Abstract]    
Accounts receivable $ 1,463 $ 1,289
Less: allowance for credit losses (20) (20)
Net trade receivables 1,443 1,269
Unbilled receivables 404 325
Miscellaneous receivables 323 295
Receivables, net $ 2,170 $ 1,889