v3.26.1
Provisions - Additional information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Provisions    
Provision for closure of mining units and exploration projects at future value $ 448,000 $ 316,900
Potential liability in the form of fines and interest 387,100  
Letter of credit $ 194,800 186,300
Minimum    
Provisions    
Discount rate used to reflect time value of money for provisions 1.16%  
Period Used To Reflect Time Value Of Money For Provisions 1 year  
Maximum    
Provisions    
Discount rate used to reflect time value of money for provisions 4.03%  
Period Used To Reflect Time Value Of Money For Provisions 16 years  
Sociedad Minera Cerro Verde S.A.A.    
Provisions    
Other provisions $ 253,043 254,438
Other non-current provisions 250,507 247,427
Sociedad Minera Cerro Verde S.A.A. | Provision for social commitments [Member]    
Provisions    
Other non-current provisions 10,188 5,783
Sociedad Minera Cerro Verde S.A.A. | Provision for remediation and mine closure [Member]    
Provisions    
Other non-current provisions 237,252 234,126
Future value of non current provisions $ 726,900 $ 726,900
Annual risk free rate 4.81% 4.78%
Sociedad Minera Cerro Verde S.A.A. | La Joya [Member] | Irrigation Project [Member] | Provision for social commitments [Member]    
Provisions    
Other provisions $ 4,200 $ 4,300
Sociedad Minera Cerro Verde S.A.A. | Alata-Congata Road [Member] | Repaving Project [Member] | Provision for social commitments [Member]    
Provisions    
Other provisions 6,100 $ 6,100
Sociedad Minera Cerro Verde S.A.A. | Ministry of Energy and Mines [Member]    
Provisions    
Letter of credit $ 153,100