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Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated other comprehensive income (loss), Beginning balance $ (145)    
Other comprehensive loss (2) $ (17) $ 15
Accumulated other comprehensive income (loss), Ending balance (147) (145)  
Accumulated Other Comprehensive Income (Loss) [Member]      
Accumulated other comprehensive income (loss), Beginning balance (145)    
Other comprehensive loss (2) (17) $ 15
Accumulated other comprehensive income (loss), Ending balance $ (147) $ (145)