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Related Party Transactions - Transactions with Related Parties (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transactions [Abstract]      
Sales & other services $ 8 $ 5 $ 2
Other purchases 19 21 $ 18
Accounts receivable $ 2 $ 1