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Stock-Based Compensation - Additional Information (Detail) - Performance Share Unit Plan [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
PSU/RSU performance cycles 3 years    
Number of trading days 50 days    
Compensation cost recognized $ 3 $ 8 $ 8
Tax benefits related to compensation cost 1 2 2
Cash payment associated with PSU 10 9 $ 0
Unrecognized compensation cost $ 3 $ 5  
Weighted-average period expected to be recognized 2 years