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Commitments and contingencies - Open tax procedures SUNAT (Details) - SUNAT. |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 30, 2021 PEN (S/) | Jul. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Apr. 01, 2021 | Mar. 31, 2021 | Jan. 05, 2021 PEN (S/) installment | Dec. 31, 2022 PEN (S/) | Dec. 31, 2022 USD ($) | Jan. 05, 2021 USD ($)
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of equal monthly payments | installment |  |  |  |  |  | 66 |  |  |
Tax assessment value |  |  |  |  |  | S/ 1,505,948,000 |  |  | $ 394,227,000
Percentage over the letters of guarantee amount |  |  |  |  |  | 5.00% |  |  |
Letters of guarantee outstanding, amount |  |  |  |  |  | S/ 1,580,126,000 |  |  | $ 413,646,000
Monthly interest rate (in percent) |  |  |  | 0.72% | 0.80% |  |  |  |
Amount of tax liability interest paid |  |  |  |  |  |  | S/ 11,215,000 | $ 2,936,000 |
Year 2007 and 2008 |  |  |  |  |  |  |  |  |
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Amount of tax liability paid | S/ 1,584,227,000 | $ 416,026,000 |  |  |  |  |  |  |
Amount of tax liability interest paid | 78,279,000 | 20,492,000 |  |  |  |  |  |  |
Year 2009 [Member] |  |  |  |  |  |  |  |  |
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Amount of tax liability paid | 193,398,000 | 50,787,000 |  |  |  |  |  |  |
Amount of tax liability interest paid | 8,477,000 | 2,226,000 |  |  |  |  |  |  |
Year 2010 [Member] |  |  |  |  |  |  |  |  |
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Amount of tax liability paid | 356,691,000 |  | $ 93,669,000 |  |  |  |  |  |
Amount of tax liability interest paid | S/ 16,762,000 | $ 4,388,000 |  |  |  |  |  |  |
Year 2016 [Member] | La Zanja [Member] |  |  |  |  |  |  |  |  |
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Amount of tax liability paid | S/ |  |  |  |  |  |  | S/ 4,288,000 |  |
Year 2015 [Member] | La Zanja [Member] |  |  |  |  |  |  |  |  |
Disclosure of Commitments and contingencies [Line Items] |  |  |  |  |  |  |  |  |
Amount of tax liability paid | $ |  |  |  |  |  |  |  | $ 1,123,000 |

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- Definition The outstanding amount of letters of credit showed by the entity in accordance with the Mine Closure Regulation. + References No definition available. + Details
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