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Income Tax - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance $ (44) $ (49)
Charged to net earnings (loss) 23 8
Exchange differences (3) (3)
Ending Balance (24) (44)
Accounting provisions and accruals    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance 27 3
Charged to net earnings (loss) (14) 23
Exchange differences 2 1
Ending Balance 15 27
Tax losses    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance 27 42
Charged to net earnings (loss) 3 (15)
Exchange differences 0 0
Ending Balance 30 27
Long-term assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance (69) (82)
Charged to net earnings (loss) 15 16
Exchange differences (2) (3)
Ending Balance (56) (69)
Exchange rate effects on tax bases    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Beginning balance (29) (12)
Charged to net earnings (loss) 19 (16)
Exchange differences (3) (1)
Ending Balance $ (13) $ (29)