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Financial - risk management objectives and policies - Effect in profit or loss (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of financial risk management objectives and policies [Line Items]      
Increase in exchange rate basis points 10.00% 10.00% 10.00%
Decrease in exchange rate basis points (10.00%) (10.00%) (10.00%)
Exchange rate increased effect on income $ 58,032 $ 56,122 $ 7,591
Exchange rate decreased effect on income (58,032) (56,122) (7,083)
Sociedad Minera Cerro Verde S.A.A.      
Disclosure of financial risk management objectives and policies [Line Items]      
Exchange rate increased effect on income 123,181 140,420 112,080
Exchange rate decreased effect on income $ (123,181) $ 140,420 $ 112,080
Sociedad Minera Cerro Verde S.A.A. | Currency exchange rates      
Disclosure of financial risk management objectives and policies [Line Items]      
Increase in exchange rate basis points 5.00% 5.00% 5.00%
Decrease in exchange rate basis points (5.00%) (5.00%) (5.00%)
Exchange rate increased effect on income $ (23,801) $ (7,782) $ 20,656
Exchange rate decreased effect on income $ 23,801 $ 7,782 $ (20,656)