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Basis for preparation, consolidation and accounting policies - Impact of Adoption of IFRS 16 on Impact on consolidated statement of profit or loss (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating costs        
Cost of sales of goods, excluding depreciation and amortization   $ 529,731 $ 393,888 $ 512,874
Depreciation and amortization   (187,211) (189,620) (226,335)
Operating profit        
Administrative expenses.   67,585 67,185 76,297
Operating expenses, net.   29,260 (2,690) 11,090
Operating loss   (65,958) (81,274) (54,388)
Other income (expense), net        
Finance costs   60,629 37,822 42,173
Profit (loss) before income tax   101,129 (58,099) (1,955)
Minera Yanacocha SRL and subsidiary [Member]        
Operating costs        
Cost of sales of goods, excluding depreciation and amortization   1,252,710 666,456 692,721
Operating profit        
Administrative expenses.   904 1,227 1,744
Operating expenses, net.   36,291 34,322 35,987
Operating loss   (817,351) (85,012) 5,968
Other income (expense), net        
Finance costs $ 55,000 92,970 36,699 57,629
Profit (loss) before income tax   $ (916,653) $ (112,431) $ (30,329)