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Tax situation - Effect of temporary differences (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets [Abstract]      
Deferred tax assets $ 106,170 $ 164,351  
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 32,421 46,742  
Sociedad Minera Cerro Verde S.A.A.      
Deferred tax assets [Abstract]      
Deferred tax assets 217,173 195,293 $ 254,083
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 702,248 617,650 645,576
Deferred tax liabilities before supplementary retirement fund 485,075 422,357 391,493
Supplementary Retirement Fund [Abstract]      
Supplementary retirement fund, deferred liability 5,716 4,965 4,581
Total Deferred Income Tax Liabilities, Net 490,791 427,322 396,074
Sociedad Minera Cerro Verde S.A.A. | Royalty Accrual [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 178 219 83,570
Sociedad Minera Cerro Verde S.A.A. | Provision For Remediation And Mine Closure [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 25,348 22,620 19,937
Sociedad Minera Cerro Verde S.A.A. | Unpaid Vacations [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 10,031 10,078 7,015
Sociedad Minera Cerro Verde S.A.A. | Provision For Mining Taxes Deferred Tax Assets [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 5,200 11,604 6,124
Sociedad Minera Cerro Verde S.A.A. | Cost of net asset for the construction of the tailing dam [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 163,975 139,635 125,621
Sociedad Minera Cerro Verde S.A.A. | Development Costs [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 37 47 59
Sociedad Minera Cerro Verde S.A.A. | Leases      
Deferred tax assets [Abstract]      
Deferred tax assets 1,867 709 931
Sociedad Minera Cerro Verde S.A.A. | Other Provisions [Member]      
Deferred tax assets [Abstract]      
Deferred tax assets 10,537 10,381 10,826
Sociedad Minera Cerro Verde S.A.A. | Difference In Depreciation Method Deferred Tax Liabilities [Member]      
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 557,626 529,124 545,636
Sociedad Minera Cerro Verde S.A.A. | Stripping Activity Asset [Member]      
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 80,569 59,673 43,187
Sociedad Minera Cerro Verde S.A.A. | Difference In Valuation Of Inventories Deferred Tax Liabilities [Member]      
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 28,386 24,960 18,479
Sociedad Minera Cerro Verde S.A.A. | Debt Issuance Costs [Member]      
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net 763 28 412
Sociedad Minera Cerro Verde S.A.A. | Embedded derivatives for price adjustment of copper concentrate and cathode      
Deferred tax liability [Abstract]      
Deferred Tax Liabilities, Net $ 34,904 $ 3,865 $ 37,862