XML 601 R159.htm IDEA: XBRL DOCUMENT v3.22.1
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net - Net cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, plant and equipments,net [Line Items]        
Opening balance $ 1,650,361 $ 1,754,372    
Final balances 1,537,870 1,650,361 $ 1,754,372  
Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 1,039,579 1,038,294    
Final balances 1,007,648 1,039,579 1,038,294  
Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 5,371,534 5,495,976 5,690,851  
Final balances   5,371,534 5,495,976 $ 5,690,851
Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 3,771,978 3,781,326    
Additions 93,282 109,325    
Sales and disposals (13,033) (14,270)    
Sales 1,183 104,403    
Final balances 3,851,044 3,771,978 3,781,326  
Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 4,685,227 4,567,187    
Additions 207,986 143,489    
Sales and disposals (192,513) (25,067)    
Sales 94,595      
Transfer/Other changes (2,398) (382)    
Final balances 4,792,897 4,685,227 4,567,187  
Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 9,366,048 9,026,755 8,753,310  
Additions   376,890 294,846  
Adjustments and reclassifications   (18,466) (6,255)  
Sales and disposals   (19,131) (15,146)  
Transfer/Other changes   0 0  
Final balances   9,366,048 9,026,755 8,753,310
Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 2,095,342 1,998,596    
Additions 178,294 199,586    
Sales and disposals (583) (1,595)    
Sales 1,064 (101,245)    
Final balances 2,286,755 2,095,342 1,998,596  
Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 3,645,648 3,528,893    
Additions 149,711 137,238    
Sales and disposals (10,110) (20,483)    
Transfer/Other changes   0    
Final balances 3,785,249 3,645,648 3,528,893  
Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 3,994,514 3,530,779 3,062,459  
Additions   482,688 483,285  
Adjustments and reclassifications   0 0  
Sales and disposals   (18,953) (14,965)  
Transfer/Other changes   0 0  
Final balances   3,994,514 3,530,779 3,062,459
Land | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 17,322      
Sales 3,009      
Final balances 20,331 17,322    
Land | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 17,650 17,517    
Additions   133    
Final balances 17,703 17,650 17,517  
Land | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 17,322 17,053    
Additions   0    
Sales and disposals   0    
Transfer/Other changes   269    
Final balances   17,322 17,053  
Land | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 30,382 24,905 24,905  
Additions   0 0  
Adjustments and reclassifications   0 0  
Sales and disposals   0 0  
Transfer/Other changes   5,477 0  
Final balances   30,382 24,905 24,905
Land improvements [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 28,982 28,982    
Additions   0    
Sales and disposals   0    
Sales 3,750      
Transfer/Other changes   0    
Final balances 32,732 28,982 28,982  
Land improvements [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 28,395 28,315    
Additions 74 80    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 28,469 28,395 28,315  
Buildings and constructions [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 276,064 271,554    
Additions   0    
Sales and disposals   0    
Sales 58,232      
Transfer/Other changes 2,162 4,510    
Final balances 336,458 276,064 271,554  
Buildings and constructions [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 2,596,406 2,589,004 2,548,124  
Additions   0 0  
Adjustments and reclassifications   430 (1)  
Sales and disposals   (913) (14)  
Transfer/Other changes   7,885 40,895  
Final balances   2,596,406 2,589,004 2,548,124
Buildings and constructions [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 233,110 226,129    
Additions 7,171 6,981    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 240,281 233,110 226,129  
Buildings and constructions [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 522,381 456,213 393,910  
Additions   66,846 62,317  
Adjustments and reclassifications   236 0  
Sales and disposals   (914) (14)  
Transfer/Other changes   0 0  
Final balances   522,381 456,213 393,910
Machinery and equipment | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 883,192 912,704    
Additions 5 4    
Sales and disposals (393) (419)    
Sales 249 42,319    
Final balances 902,397 883,192 912,704  
Machinery and equipment | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 210,215 216,872    
Additions   0    
Sales and disposals (9,161) (20,844)    
Sales 64      
Transfer/Other changes 33,132 14,187    
Final balances 234,250 210,215 216,872  
Machinery and equipment | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 5,098,359 4,985,749 4,854,613  
Additions   0 0  
Adjustments and reclassifications   (430) 1  
Sales and disposals   (14,967) (12,814)  
Transfer/Other changes   128,007 143,949  
Final balances   5,098,359 4,985,749 4,854,613
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 686,466 667,937    
Additions 56,384 60,034    
Sales and disposals (340) (265)    
Sales 170 (40,805)    
Final balances 742,340 686,466 667,937  
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 181,674 184,030    
Additions 13,776 18,029    
Sales and disposals (9,162) (20,385)    
Transfer/Other changes   0    
Final balances 186,288 181,674 184,030  
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 2,569,972 2,305,568    
Additions   279,531 277,384 2,040,819
Adjustments and reclassifications   (236) 0  
Sales and disposals   (14,891) (12,635)  
Transfer/Other changes   0 0  
Final balances   2,569,972 2,305,568  
Leach pads [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 1,829,479 1,817,226    
Additions   0    
Sales and disposals   0    
Sales 13,399      
Transfer/Other changes 34,422 12,253    
Final balances 1,877,300 1,829,479 1,817,226  
Leach pads [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 1,734,485 1,694,288    
Additions 35,624 40,197    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 1,770,109 1,734,485 1,694,288  
Transportation units [Member] | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 8,409 8,892    
Additions 70      
Sales and disposals (152)      
Sales 934 577    
Final balances 7,662 8,409 8,892  
Transportation units [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 10,255 9,402    
Additions   0    
Sales and disposals (950) (98)    
Transfer/Other changes 1,861 951    
Final balances 11,166 10,255 9,402  
Transportation units [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 33,382 30,098 26,365  
Additions   0 0  
Adjustments and reclassifications   0 0  
Sales and disposals   (1,132) 0  
Transfer/Other changes   4,416 3,733  
Final balances   33,382 30,098 26,365
Transportation units [Member] | Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 7,083 7,026    
Additions 604 607    
Sales and disposals (143)      
Sales 894 (550)    
Final balances 6,650 7,083 7,026  
Transportation units [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 8,779 8,828    
Additions 397 49    
Sales and disposals (948) (98)    
Transfer/Other changes   0    
Final balances 8,228 8,779 8,828  
Transportation units [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 18,627 17,698 15,872  
Additions   1,969 1,826  
Adjustments and reclassifications   0 0  
Sales and disposals   (1,040) 0  
Transfer/Other changes   0 0  
Final balances   18,627 17,698 15,872
Fixtures and fittings [Member] | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 11,737 12,010    
Additions 33 3    
Sales and disposals (98) (74)    
Sales   408    
Final balances 11,770 11,737 12,010  
Fixtures and fittings [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 2,556 2,556    
Additions   0    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 2,556 2,556 2,556  
Fixtures and fittings [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 572 949 949  
Additions   0 0  
Adjustments and reclassifications   0 0  
Sales and disposals   (377) 0  
Transfer/Other changes   0 0  
Final balances   572 949 949
Fixtures and fittings [Member] | Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 9,824 9,604    
Additions 601 614    
Sales and disposals (97) (46)    
Sales   (348)    
Final balances 10,328 9,824 9,604  
Fixtures and fittings [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 2,564 2,560    
Additions 4 4    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 2,568 2,564 2,560  
Fixtures and fittings [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 551 904 881  
Additions   23 23  
Adjustments and reclassifications   0 0  
Sales and disposals   (376) 0  
Transfer/Other changes   0 0  
Final balances   551 904 881
Other property, plant and equipment [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 61,494 59,262    
Additions   0    
Sales and disposals   0    
Transfer/Other changes   2,232    
Final balances 61,494 61,494 59,262  
Other property, plant and equipment [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 35,395 30,965 25,100  
Additions   0 0  
Adjustments and reclassifications   0 0  
Sales and disposals   (92) 0  
Transfer/Other changes   4,522 5,865  
Final balances   35,395 30,965 25,100
Other property, plant and equipment [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 56,423 54,132    
Additions 2,366 2,291    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 58,789 56,423 54,132  
Other property, plant and equipment [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 24,090 21,240 19,745  
Additions   2,942 1,495  
Adjustments and reclassifications   0 0  
Sales and disposals   (92) 0  
Transfer/Other changes   0 0  
Final balances   24,090 21,240 19,745
Work in Progress [Member] | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 34,934 50,365    
Additions 40,768 27,322    
Sales and disposals (1,838) (325)    
Sales   30    
Final balances 46,287 34,934 50,365  
Work in Progress [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 510,359 436,699    
Additions 207,986 143,489    
Sales and disposals (174,475) 0    
Transfer/Other changes (113,990) (69,829)    
Final balances 429,880 510,359 436,699  
Work in Progress [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 126,527 118,430 158,068  
Additions   158,599 161,059  
Adjustments and reclassifications   (195) (6,255)  
Sales and disposals   0 0  
Transfer/Other changes   (150,307) (194,442)  
Final balances   126,527 118,430 158,068
Mining property [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 37,521 37,521    
Additions   0    
Sales and disposals   0    
Sales 11,848      
Transfer/Other changes   0    
Final balances 49,369 37,521 37,521  
Mining property [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 29,457 29,457    
Additions   0    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 29,457 29,457 29,457  
Right-of-use assets [member] | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 16,259 11,352    
Additions 2,973 6,221    
Sales and disposals   (1,314)    
Final balances 19,232 16,259 11,352  
Right-of-use assets [member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 1,045 1,045    
Additions   0    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 1,045 1,045 1,045  
Right-of-use assets [member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 98,900 96,451 95,441  
Additions   4,099 3,328  
Sales and disposals   (1,650) (2,318)  
Final balances   98,900 96,451 95,441
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 9,081 5,167    
Additions 4,813 5,145    
Sales and disposals   (1,231)    
Final balances 13,894 9,081 5,167  
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 729 461    
Additions 268 268    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 997 729 461  
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 30,408 19,589 10,585  
Additions   12,459 11,320  
Sales and disposals   (1,640) (2,316)  
Final balances   30,408 19,589 10,585
Asset retirement and mine closure cost asset [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 689,240 693,365    
Additions   0    
Sales and disposals (7,927) (4,125)    
Transfer/Other changes   0    
Final balances 681,313 689,240 693,365  
Asset retirement and mine closure cost asset [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 540,708 478,826    
Additions 80,129 61,882    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 620,837 540,708 478,826  
Stripping activity asset [Member] | Gross carrying amount [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 152,597 154,090    
Additions 17,653 10,752    
Sales and disposals (6,763) (11,633)    
Final balances 163,487 152,597 154,090  
Stripping activity asset [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 186,539 151,494    
Additions   0    
Sales and disposals   0    
Transfer/Other changes 40,298 35,045    
Final balances 226,837 186,539 151,494  
Stripping activity asset [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 1,159,829 945,637 852,747  
Additions   214,192 92,890  
Adjustments and reclassifications   0 0  
Sales and disposals   0 0  
Transfer/Other changes   0 0  
Final balances   1,159,829 945,637 852,747
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member]        
Property, plant and equipments,net [Line Items]        
Opening balance 111,455 88,923    
Additions 14,039 22,532    
Final balances 132,159 111,455 88,923  
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 149,494 147,725    
Additions 2,888 1,769    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 152,382 149,494 147,725  
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 791,571 678,041 553,732  
Additions   113,530 124,309  
Adjustments and reclassifications   0 0  
Sales and disposals   0 0  
Transfer/Other changes   0 0  
Final balances   791,571 678,041 553,732
Mine developments [Member] | Gross carrying amount [Member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 824,156 824,156    
Additions   0    
Sales and disposals   0    
Sales 4,293      
Transfer/Other changes (283) 0    
Final balances 828,166 824,156 824,156  
Mine developments [Member] | Accumulated depreciation, amortisation and impairment [member] | Minera Yanacocha SRL and subsidiary [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 679,830 674,142    
Additions 7,014 5,688    
Sales and disposals   0    
Transfer/Other changes   0    
Final balances 686,844 679,830 674,142  
Asset retirement costs [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance 186,296 204,567 166,998  
Additions   0 37,569  
Adjustments and reclassifications   (18,271) 0  
Sales and disposals   0 0  
Transfer/Other changes   0 0  
Final balances   186,296 204,567 166,998
Asset retirement costs [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A. [Member]        
Property, plant and equipments,net [Line Items]        
Opening balance $ 36,914 31,526 26,915  
Additions   5,388 4,611  
Adjustments and reclassifications   0 0  
Sales and disposals   0 0  
Transfer/Other changes   0 0  
Final balances   $ 36,914 $ 31,526 $ 26,915