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Risks Arising from Financial Instruments - Summary of Allowance for Impairment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of impairment loss and reversal of impairment loss [line items]      
Impairment losses $ 66    
Impairment losses [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Beginning balance (462) $ (416) $ (402)
Impairment losses (56) (54) (38)
Derecognition 24 26 24
Currency translation and other 55 (18) 1
Ending balance $ (438) $ (462) $ (416)