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Financial - risk management objectives and policies - Additional information (Details) - $ / £
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Financial risk management [Line Items]      
Decrease in exchange rate basis points 10.00% 10.00% 10.00%
Sociedad Minera Cerro Verde S.A.A. | Credit risk [member]      
Disclosure Of Financial risk management [Line Items]      
Credit risk collection period 30 days    
Sociedad Minera Cerro Verde S.A.A. | Minimum      
Disclosure Of Financial risk management [Line Items]      
10% increase in copper price 4.235 4.178 4.765
10% decrease in copper price 3.465 3.418 3.899
Sociedad Minera Cerro Verde S.A.A. | Maximum      
Disclosure Of Financial risk management [Line Items]      
10% increase in copper price 4.287 4.179 4.879
10% decrease in copper price 3.507 3.419 3.992