XML 63 R206.htm IDEA: XBRL DOCUMENT v3.20.1
Cost of sales, without considering depreciation and amortization - Costs applicable to sales (Details) - new - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of cost of sales [Line Items]      
Royalty Expense $ 12,832 $ 21,388 $ 30,884
Depreciation and amortization 226,335 238,879 210,154
Cost of sales of goods, excluding depreciation and amortization 799,582 967,696 947,953
Cost of inventory recognized in cost of inventory 326,790 327,459 456,647
Minera Yanacocha Srl And Subsidiaries [Member]      
Disclosure of cost of sales [Line Items]      
Beginning balance of finished goods and in-process 341,213 345,489 446,503
Beginning balance of provision for net realizable value, note 8(b) 89,127 62,540 84,374
Consumption of supplies 200,036 215,863 240,881
Personnel expenses 72,325 82,645 99,702
Other services 41,120 43,671 66,408
Maintenance 26,645 22,585 24,033
Power 23,619 24,203 23,565
Depreciation and amortization 144,862 156,212 87,783
Workers' profit participation 12,804 3,837 1,242
Reclamation expenses related to leach pads, note 12(b) 142,129 16,285 124,124
Ending balance of provision for net realizable value, note 8(b) 47,925 89,127 62,540
Ending balance of finished goods and in-process 302,382 341,213 345,489
Cost of sales of goods, excluding depreciation and amortization 692,721 619,424 772,647
Minera Yanacocha Srl And Subsidiaries [Member] | S.M.R.L. Chaupiloma Dos de Cajamarca [Member]      
Disclosure of cost of sales [Line Items]      
Royalty Expense 22,297 20,385 20,739
Minera Yanacocha Srl And Subsidiaries [Member] | Government [member]      
Disclosure of cost of sales [Line Items]      
Royalty Expense $ 9,255 $ 2,875 $ 4,990