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Transactions in soles - Additional information (Details)
12 Months Ended
Dec. 31, 2023
USD ($)
$ / shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
USD ($)
Dec. 31, 2023
$ / S/
Dec. 31, 2022
$ / S/
Transactions in Soles          
Foreign currency exchange difference $ 19,375,000 $ 26,871,000 $ (18,686,000)    
Sociedad Minera Cerro Verde S.A.A.          
Transactions in Soles          
Foreign currency exchange difference $ 20,476,000 $ 2,820,000 $ 29,493,000    
Purchased call options | Sociedad Minera Cerro Verde S.A.A.          
Transactions in Soles          
Closing foreign exchange rate 0.2699 0.2626   3.705 3.808
Written put options | Sociedad Minera Cerro Verde S.A.A.          
Transactions in Soles          
Closing foreign exchange rate 0.2693 0.2618   3.713 3.820