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Salaries and social security - Summary of detailed information about salaries and social security (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Salaries And Social Security [Abstract]      
Salaries and social security current $ 68 $ 49 $ 39
Salaries and social security non current 1 32 46
Other employee benefits non current 1 32 46
Salaries and social security current 297 229 178
Bonuses and incentives provision current 113 67 52
Vacation provision current 77 70 57
Other employee benefits current $ 39 $ 43 $ 30