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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash and cash equivalents [abstract]        
Cash and bank accounts $ 367 $ 501    
Fixed-income securities and other cash equivalents 246 449    
Consolidated cash and cash equivalents $ 613 $ 950 $ 788 $ 309