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Share Capital Authorized - Summary of Issues and Outstanding (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of classes of share capital [line items]    
Balance, January 1 $ 504  
Exercise of stock options 1 $ 1
Ending balance 505 504
Ordinary shares [member]    
Disclosure of classes of share capital [line items]    
Balance, January 1 $ 504 $ 503
Balance, January 1 (Shares) 123,956,865 123,739,020
Exercise of stock options $ 1 $ 1
Exercise of stock options (Shares) 186,314 217,845
Ending balance $ 505 $ 504
Ending balance (Shares) 124,143,179 123,956,865