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Mining concessions, development costs, right-of-use asset, property, plant and equipment, net - Carrying amounts of right-of-use assets recognized (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance $ 7,178  
Addition 3,000 $ 6,200
Ending Balance 5,338 7,178
Sociedad Minera Cerro Verde S.A.A. [Member]    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 76,862 84,856
Ending Balance 68,492 76,862
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member]    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 96,451 95,441
Addition 4,099 3,328
Disposals and or/sales (1,650) (2,318)
Ending Balance 98,900 96,451
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Land    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 9,851 9,851
Addition 789  
Ending Balance 10,640 9,851
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Buildings and other constructions    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 56,594 55,936
Addition 2,195 2,880
Disposals and or/sales (873) (2,222)
Ending Balance 57,916 56,594
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Machinery and equipment    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 30,006 29,654
Addition 1,115 448
Disposals and or/sales (777) (96)
Ending Balance 30,344 30,006
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member]    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 19,589 10,585
Addition 12,459 11,320
Disposals and or/sales (1,640) (2,316)
Ending Balance 30,408 19,589
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Land    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 2,897 1,255
Addition 1,732 1,642
Ending Balance 4,629 2,897
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Buildings and other constructions    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 10,575 6,269
Addition 7,480 6,526
Disposals and or/sales (865) (2,220)
Ending Balance 17,190 10,575
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Machinery and equipment    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Opening Balance 6,117 3,061
Addition 3,247 3,152
Disposals and or/sales (775) (96)
Ending Balance $ 8,589 $ 6,117