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Salaries and social security - Summary of detailed information about salaries and social security (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Salaries And Social Security [Abstract]      
Salaries and social security current $ 95 $ 58 $ 68
Bonuses and incentives provision current 179 104 113
Cash-settled share-based payments provision non current 33    
Vacation provision current 66 45 77
Provision for severance indemnities current 66    
Other employee benefits current 6 3 39
Other employee benefits non current 1   1
Salaries and social security current 412 210 297
Salaries and social security non current $ 34 $ 0 $ 1