v3.26.1
Tax situation - Effect of temporary differences (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets [Abstract]      
Deferred income tax asset $ 80,740 $ 91,677  
Deferred tax liability [Abstract]      
Deferred income tax liabilities 39,994 43,064  
Sociedad Minera Cerro Verde S.A.A.      
Deferred tax assets [Abstract]      
Deferred income tax asset 297,079 280,182 $ 250,795
Deferred tax liability [Abstract]      
Deferred income tax liabilities 911,270 695,097 705,532
Net deferred liabilities 614,191 414,915 454,737
Supplementary Retirement Fund [Abstract]      
Supplementary retirement fund, deferred liability 0 0 5,414
Total deferred income tax liability 614,191 414,915 460,151
Sociedad Minera Cerro Verde S.A.A. | Cost of net asset for the construction of the tailing dam [Member]      
Deferred tax assets [Abstract]      
Deferred income tax asset 237,394 214,396 193,378
Sociedad Minera Cerro Verde S.A.A. | Provision For Remediation And Mine Closure [Member]      
Deferred tax assets [Abstract]      
Deferred income tax asset 39,118 34,602 29,762
Sociedad Minera Cerro Verde S.A.A. | Unpaid Vacations [Member]      
Deferred tax assets [Abstract]      
Deferred income tax asset 11,629 9,227 9,031
Sociedad Minera Cerro Verde S.A.A. | Provision For Mining Taxes Deferred Tax Assets [Member]      
Deferred tax assets [Abstract]      
Deferred income tax asset 2,642 7,231 4,335
Sociedad Minera Cerro Verde S.A.A. | Leases      
Deferred tax assets [Abstract]      
Deferred income tax asset 2,034 3,297 3,007
Sociedad Minera Cerro Verde S.A.A. | Other Provisions [Member]      
Deferred tax assets [Abstract]      
Deferred income tax asset 4,262 11,429 11,282
Sociedad Minera Cerro Verde S.A.A. | Difference In Depreciation Method Deferred Tax Liabilities [Member]      
Deferred tax liability [Abstract]      
Deferred income tax liabilities 632,325 517,985 537,588
Sociedad Minera Cerro Verde S.A.A. | Stripping Activity Asset [Member]      
Deferred tax liability [Abstract]      
Deferred income tax liabilities 191,342 165,018 126,744
Sociedad Minera Cerro Verde S.A.A. | Difference In Valuation Of Inventories Deferred Tax Liabilities [Member]      
Deferred tax liability [Abstract]      
Deferred income tax liabilities 27,096 27,091 29,831
Sociedad Minera Cerro Verde S.A.A. | Price adjustment in the sale of copper, silver, and molybdenum      
Deferred tax liability [Abstract]      
Deferred income tax liabilities 60,385 15,330 10,822
Sociedad Minera Cerro Verde S.A.A. | Debt Issuance Costs [Member]      
Deferred tax liability [Abstract]      
Deferred income tax liabilities $ 122 $ 333 $ 547