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Issued capital - Summary of Issued Capital (Parenthetical) (Detail) - $ / shares
Dec. 31, 2022
Dec. 31, 2021
Disclosure of classes of share capital [line items]    
Par value $ 0.1 $ 0.1
Ordinary shares [member]    
Disclosure of classes of share capital [line items]    
Par value $ 0.1 $ 0.1