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Sales - Revenue from contracts with customers (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Sales of goods [Line Items]      
Revenue from sale of gold $ 262,676 $ 229,590 $ 254,194
Less: Royalty contributions (see Note 2(k)) (12,974) (11,749) (12,832)
Revenue from sale of goods 863,470 637,619 821,930
Minera Yanacocha SRL and subsidiary [Member]      
Disclosure of Sales of goods [Line Items]      
Revenue from sale of gold 471,069 592,394 734,526
Revenue from sale of goods 471,069 592,394 734,526
Minera Yanacocha SRL and subsidiary [Member] | S.M.R.L. Chaupiloma Dos de Cajamarca      
Disclosure of Sales of goods [Line Items]      
Less: Royalty contributions (see Note 2(k)) (15,928) (18,638) (22,297)
Minera Yanacocha SRL and subsidiary [Member] | Switzerland      
Disclosure of Sales of goods [Line Items]      
Revenue from sale of gold 450,832 590,002 $ 734,526
Minera Yanacocha SRL and subsidiary [Member] | Central America      
Disclosure of Sales of goods [Line Items]      
Revenue from sale of gold 581 1,135  
Minera Yanacocha SRL and subsidiary [Member] | Singapore      
Disclosure of Sales of goods [Line Items]      
Revenue from sale of gold $ 19,656 $ 1,257