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Net sales (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure of associates [line items] |
Schedule of net sales to customers by geographical areas | (a)The Group’s revenues are mostly from sales of gold and precious metals in the form of concentrates, including silver-lead, silver-gold, zinc and lead-gold-copper concentrates and ounces of gold. Set out below is the disaggregation of the Group’s revenue from contracts with customers:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Revenues by geographic region: |  |  |  |  |  |
Metal and concentrates sales - |  |  |  |  |  |
Peru |  | 389,854 |  | 476,978 |  | 521,017
America - other than Peru |  | 163,500 |  | 171,769 |  | 370,624
Europe |  | 42,210 |  | 60,475 |  | 100,792
Asia |  | 39,110 |  | 105,645 |  | 120,519
|  | 634,674 |  | 814,867 |  | 1,112,952
Services - |  |  |  |  |  |
Peru |  | 20,173 |  | 23,501 |  | 23,712
America - other than Peru |  | 92 |  | 130 |  | 289
Europe |  | 20 |  | 30 |  | —
|  | 20,285 |  | 23,661 |  | 24,001
Royalties - |  |  |  |  |  |
Peru |  | 18,638 |  | 22,297 |  | 20,385
|  | 673,597 |  | 860,825 |  | 1,157,338
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Revenues by type of good or services: |  |  |  |  |  |
Sales by metal - |  |  |  |  |  |
Silver |  | 230,498 |  | 298,171 |  | 362,122
Gold |  | 229,590 |  | 254,194 |  | 411,877
Copper |  | 181,311 |  | 238,304 |  | 274,761
Zinc |  | 120,546 |  | 149,317 |  | 164,666
Lead |  | 48,426 |  | 89,141 |  | 85,555
Manganese sulfate |  | 4,051 |  | 6,046 |  | 6,655
|  | 814,422 |  | 1,035,173 |  | 1,305,636
Commercial deductions, note 2.4(q) |  | (179,748) |  | (220,306) |  | (192,684)
Sales of goods, note 20(b) |  | 634,674 |  | 814,867 |  | 1,112,952
Sales of Services, note 20(b) |  | 20,285 |  | 23,661 |  | 24,001
Royalties income, note 20(b) |  | 18,638 |  | 22,297 |  | 20,385
Total revenue from contracts with customers |  | 673,597 |  | 860,825 |  | 1,157,338
Revenues by type of recognition: |  |  |  |  |  |
Goods transferred at a point in time |  | 634,674 |  | 814,867 |  | 1,112,952
Services transferred over time |  | 20,285 |  | 23,661 |  | 24,001
Royalties at a point of time |  | 18,638 |  | 22,297 |  | 20,385
|  | 673,597 |  | 860,825 |  | 1,157,338
(b)Set out below, is the reconciliation of the revenue from contracts with customers with the amounts disclosed in the consolidated statement of profit or loss:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Contracts with customers for sale of goods (a) |  | 634,674 |  | 814,867 |  | 1,112,952
Fair value of accounts receivables |  | 5,154 |  | 2,347 |  | (6,013)
Adjustments to prior period liquidations |  | 4,255 |  | 394 |  | 788
Hedge operations, note 32(a) |  | (6,464) |  | 4,322 |  | (1,398)
Sale of goods |  | 637,619 |  | 821,930 |  | 1,106,329
Sale of services, note 20(a) |  | 20,285 |  | 23,661 |  | 24,001
Royalty income, note 20(a) |  | 18,638 |  | 22,297 |  | 20,385
|  | 676,542 |  | 867,888 |  | 1,150,715
Sociedad Minera Cerro Verde S.A.A. [Member] |
Disclosure of associates [line items] |
Schedule of net sales by geographic region | (b)The following table shows sales by geographic region based on the final destination port:
|  | For the year ended |  | For the year ended |  | For the year ended
|  | December 31, 2020 |  | December 31, 2019 |  | December 31, 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Asia |  | 2,096,084 |  | 2,374,350 |  | 2,404,530
Europe |  | 207,954 |  | 77,716 |  | 209,894
North America |  | 120,865 |  | 265,599 |  | 295,448
South America (primarily Peru) |  | 106,489 |  | 168,077 |  | 136,400
Central America |  | 7,201 |  | 11,152 |  | 15,658
|  | 2,538,593 |  | 2,896,894 |  | 3,061,930
Schedule of revenue by type of products | (a)This item is made up as follows:
|  | For the year ended |  | For the year ended |  | For the year ended
|  | December 31, 2020 |  | December 31, 2019 |  | December 31, 2018
|  | Pounds (000) |  | US$(000) |  | Pounds (000) |  | US$(000) |  | Pounds (000) |  | US$(000)
Copper in concentrate |  | 743,274 |  | 2,088,167 |  | 912,974 |  | 2,294,249 |  | 962,113 |  | 2,458,088
Copper cathode |  | 83,870 |  | 241,808 |  | 88,875 |  | 244,277 |  | 86,346 |  | 251,908
Other (primarily silver and molybdenum concentrate) |  |  |  | 208,618 |  |  |  | 358,368 |  |  |  | 351,934
Total revenues |  |  |  | 2,538,593 |  |  |  | 2,896,894 |  |  |  | 3,061,930
Minera Yanacocha SRL and subsidiary [Member] |
Disclosure of associates [line items] |
Schedule of net sales by geographic region |
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Sales and services by geographic region: |  |  |  |  |  |
Metal sales |  |  |  |  |  |
Europe (Switzerland) |  | 590,002 |  | 734,526 |  | 518,664
America |  | 1,135 |  | — |  | 139,989
Singapore |  | 1,257 |  | — |  | —
|  | 592,394 |  | 734,526 |  | 658,653
Schedule of net sales to customers by geographical areas | (a)The Company’s revenues are mainly from sales of gold ounces. The table below presents the sales to customers by geographic region:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Sales and services by geographic region: |  |  |  |  |  |
Metal sales |  |  |  |  |  |
Europe (Switzerland) |  | 590,002 |  | 734,526 |  | 518,664
America |  | 1,135 |  | — |  | 139,989
Singapore |  | 1,257 |  | — |  | —
|  | 592,394 |  | 734,526 |  | 658,653
Schedule of other operating revenue | (b)Other operating revenue is made up as follows:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Copper and silver in concentrate |  | 27,765 |  | 4,098 |  | 20,442
Others |  | 3 |  | 678 |  | 1,523
|  | 27,768 |  | 4,776 |  | 21,965

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