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Financial Instruments - Summary of Exposure to Credit Risk for Trade Receivables at Reporting Date (Detail) - Trade receivables [member] - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure $ 95 $ 84
INDONESIA    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure 36 39
SINGAPORE    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure 25 20
PHILIPPINES    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure 5 7
MALAYSIA    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure 13 6
VIETNAM    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure 7 7
Other Countries    
Disclosure Details Of Exposure To Credit Risk On Trade Receivables [line items]    
Credit exposure $ 9 $ 5