v3.26.1
Investments in associates and joint venture (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Investments in associates and joint ventures      
Joint venture $ 2,209 $ 1,851  
Investment In Associates And Joint Ventures $ 1,738,408 1,548,392 $ 1,527,123
Sociedad Minera Cerro Verde S.A.A.      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 19.58%    
Investment in associates $ 1,596,018 1,436,122  
Compania Minera Coimolache S.A.      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 40.10%    
Investment in associates $ 133,282 $ 100,637  
Tinka resources Ltd      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 12.16% 19.99%  
Investment in associates $ 5,705 $ 8,616  
Other minor investments [Member]      
Investments in associates and joint ventures      
Investment in associates 1,165 1,166  
Associates      
Investments in associates and joint ventures      
Investment in associates $ 1,735,034 $ 1,545,375  
Associates | Sociedad Minera Cerro Verde S.A.A.      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 19.58% 19.58%  
Investment in associates $ 1,596,018 $ 1,436,122  
Associates | Compania Minera Coimolache S.A.      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 40.10% 40.10%  
Investment in associates $ 133,282 $ 100,637  
Associates | Tinka resources Ltd      
Investments in associates and joint ventures      
Proportion of ownership interest in associate 12.16% 19.99%  
Investment in associates $ 5,734 $ 8,616