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Financial expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
Sociedad Minera Cerro Verde S.A.A. [Member] |
Disclosure Of Financial Expenses [Line Items] |
Schedule of finance expenses | 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
|  | US$(000) |  | US$(000) |  | US$(000)
Interest on disputed mining royalties (a) |  | 43,838 |  | 68,107 |  | 370,159
Tax contingencies (b) |  | 54,098 |  | 2,488 |  | 4,273
Interest on senior unsecured credit facility (see Note 10(b)) |  | 22,351 |  | 39,083 |  | 49,551
Excess of salaries limit in workers profit sharing (c) |  | 16,591 |  | — |  | —
Interest for leases (see Note 10(a)) |  | 4,875 |  | 5,242 |  | —
Amortization debt issuance cost (See Note 10(b)) |  | 1,673 |  | 1,768 |  | 2,419
Extinguishment of debt - debt issuance cost (see Note 10(b)) |  | 902 |  | 1,298 |  | 1,902
Capitalized Interest associated to capital projects (see Note 7(a)) |  | (2,544) |  | (4,504) |  | (3,790)
Other financial expenses |  | 891 |  | 2,395 |  | 2,219
|  | 142,675 |  | 115,877 |  | 426,733

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