Commitments and contingencies - Subsidiaries - Sociedad Minera El Brocal S.A.A (Details)
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1 Months Ended |
12 Months Ended |
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Oct. 17, 2025
USD ($)
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Oct. 17, 2025
PEN (S/)
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Sep. 04, 2025
USD ($)
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Sep. 04, 2025
PEN (S/)
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Nov. 20, 2024
USD ($)
item
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Dec. 28, 2022
USD ($)
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Dec. 28, 2022
PEN (S/)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2025
PEN (S/)
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Sep. 30, 2025
USD ($)
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Sep. 30, 2025
PEN (S/)
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Dec. 31, 2023
USD ($)
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Dec. 31, 2023
PEN (S/)
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Oct. 31, 2023
USD ($)
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Oct. 31, 2023
PEN (S/)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2025
PEN (S/)
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Dec. 31, 2024
USD ($)
item
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Dec. 31, 2024
PEN (S/)
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Dec. 31, 2023
USD ($)
item
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Dec. 31, 2023
PEN (S/)
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Dec. 31, 2022
USD ($)
item
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Dec. 31, 2022
PEN (S/)
item
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Dec. 31, 2021
USD ($)
item
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Dec. 31, 2020
USD ($)
item
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Dec. 31, 2020
PEN (S/)
item
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Dec. 31, 2019
USD ($)
item
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Dec. 31, 2019
PEN (S/)
item
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Dec. 31, 2025
PEN (S/)
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Dec. 31, 2024
PEN (S/)
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Dec. 19, 2024
USD ($)
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Dec. 19, 2024
PEN (S/)
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Nov. 20, 2024
PEN (S/)
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Aug. 28, 2024
PEN (S/)
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Dec. 31, 2023
PEN (S/)
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Aug. 11, 2023
USD ($)
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Dec. 31, 2022
PEN (S/)
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Dec. 28, 2022
PEN (S/)
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Oct. 31, 2022
USD ($)
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Oct. 31, 2022
PEN (S/)
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Dec. 31, 2021
PEN (S/)
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Dec. 31, 2020
PEN (S/)
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Dec. 31, 2019
PEN (S/)
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| Disclosure of Commitments and contingencies [Line Items] |
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| Number Of installments Of net assets tax | item |
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2
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| Contingent liability |
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$ 20,500,000
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$ 20,500,000
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S/ 6,087,000
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$ 12,249,000
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| Other Receivables |
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713,604,000
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713,604,000
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$ 661,011,000
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| Current income taxes |
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2,441,000
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2,441,000
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5,900,000
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| Sociedad Minera Cerro Verde S.A.A. |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Income tax payable |
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2,369,000
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2,369,000
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16,215,000
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| El Brocal |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Other Receivables |
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8,270,000
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8,270,000
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7,036,000
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| Minera La Zanja S.R.L |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Other Receivables |
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4,121,000
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4,121,000
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3,682,000
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| Procesadora Industrial Ro Seco S.A.C. [Member] |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Current income taxes |
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$ 703,000
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703,000
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$ 703,000
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S/ 2,361,000
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S/ 2,361,000
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| SUNAT. | Procesadora Industrial Ro Seco S.A.C. [Member] | Omission of Payment of General Sales Tax |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Write off of other receivables |
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3,310,000
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S/ 11,153,000
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| Year 2014 [Member] | SUNAT. |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Tax assessment value |
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$ 37,054,264
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S/ 11,001,860
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| Amount disbursed recorded as an account receivable |
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$ 2,344,000
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S/ 7,871,000
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| Year 2014 [Member] | SUNAT. | El Brocal |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Contingent liability |
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337,000
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337,000
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$ 3,237,000
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1,136,000
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10,902,000
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| Number of tailings depreciation rate questioned | item |
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2
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2
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| Amount of fine returned | S/ |
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S/ 3,003,000
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| Development cost |
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$ 4,923,000
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S/ 16,582,000
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| Tax value refunded |
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516,000
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1,732,000
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| Other Receivables |
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934,000
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3,136,000
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| Year 2014 [Member] | SUNAT. | El Brocal | Open tax procedure |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Amount of fine returned |
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894,000
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| Accounts receivable |
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1,450,000
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1,450,000
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4,868,000
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| Year 2015 [Member] | El Brocal |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Contingent liability | S/ |
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S/ 3,412,000
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| Year 2015 [Member] | SUNAT. | El Brocal |
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| Disclosure of Commitments and contingencies [Line Items] |
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| Contingent liability |
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$ 1,013,000
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| Number of tailings depreciation rate questioned | item |
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2
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2
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| Amount disbursed recorded as an account receivable |
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$ 434,000
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S/ 1,456,000
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| Amount of fine returned |
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137,000
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459,000
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| Development cost |
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$ 4,136,000
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S/ 13,930,000
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| Tax value refunded |
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84,000
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282,000
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| Other Receivables |
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$ 213,000
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715,000
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| Ifrs Tax Year 2018 [Member] | SUNAT. | Open tax procedure |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Contingent liability | S/ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 5,954,000
|
|
|
|
|
|
|
|
|
|
| Ifrs Tax Year 2018 [Member] | SUNAT. | Minera La Zanja S.R.L |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Depreciation of the tailings |
|
|
|
|
|
$ 2,309,000
|
S/ 7,777,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Development cost | S/ |
|
|
|
|
|
|
S/ 4,738,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ifrs Tax Year 2018 [Member] | SUNAT. | Minera La Zanja S.R.L | Open tax procedure |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Development cost |
|
|
|
|
|
1,407,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year 2020 [Member] | Rio seco |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount disbursed recorded as an account receivable |
|
|
|
|
|
$ 684,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 2,298,000
|
|
|
|
|
|
| Year 2020 [Member] | SUNAT. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax assessment value |
|
|
|
|
$ 80,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 269,000
|
|
|
|
|
|
|
|
|
|
|
| Year 2020 [Member] | SUNAT. | Open tax procedure |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax assessment value |
|
|
|
|
|
|
|
1,487,000
|
|
|
|
|
|
|
|
1,487,000
|
|
|
|
|
|
|
|
|
|
|
|
|
5,392,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Deductions disallowed during the tax examinations |
|
|
|
|
|
|
|
|
|
$ 15,990,000
|
S/ 53,855,000
|
|
|
$ 15,990,000
|
S/ 53,855,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year 2020 [Member] | SUNAT. | Rio seco |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Depreciation questioned | S/ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 16,618,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year 2020 [Member] | SUNAT. | Sociedad Minera El Brocal S.A.A | Examination Of Special Mining Tax Return |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax assessment value |
|
|
|
|
|
|
|
383,000
|
|
|
|
|
|
|
|
383,000
|
|
|
|
|
|
|
|
|
|
|
|
|
1,287,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount of Tax Assessment Value Paid |
$ 315,000
|
S/ 1,053,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mining costs disallowed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,640,000
|
8,893,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mining operating expenses disallowed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
820,000
|
2,761,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exploration expenditures disallowed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,476,000
|
8,338,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year 2016 [Member] | Minera La Zanja S.R.L |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount disbursed recorded as an account receivable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 2,668,000
|
S/ 8,959,000
|
|
|
|
| Year 2016 [Member] | SUNAT. | El Brocal |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of tailings depreciation rate questioned | item |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
|
2
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount disbursed recorded as an account receivable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 6,051,000
|
|
$ 6,051,000
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 20,380,000
|
|
|
|
S/ 20,380,000
|
|
|
| Year 2016 [Member] | SUNAT. | Minera La Zanja S.R.L |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount of Tax Assessment Value Paid |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,273,000
|
4,288,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year 2017 [Member] | SUNAT. | Sociedad Minera Cerro Verde S.A.A. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount of Tax Assessment Value Paid |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6,705,000
|
22,521,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Development cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9,860,000
|
S/ 33,209,000
|
9,860,000
|
S/ 33,209,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Loss from settlement of financial instrument questioned |
|
|
|
|
|
|
|
|
|
|
|
10,563,000
|
|
|
|
|
|
|
|
$ 10,563,000
|
|
$ 10,563,000
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 35,578,000
|
|
S/ 35,578,000
|
|
|
|
|
|
|
| Year 2017 [Member] | SUNAT. | Sociedad Minera El Brocal S.A.A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of tailings depreciation rate questioned | item |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
|
2
|
2
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax Year 2021 | SUNAT. | Open tax procedure |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax assessment value |
|
|
|
|
|
|
|
2,504,000
|
|
|
|
|
|
|
|
2,504,000
|
|
|
|
|
|
|
|
|
|
|
|
|
8,409,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Deductions disallowed during the tax examinations |
|
|
|
|
|
|
|
4,409,000
|
S/ 14,849,000
|
|
|
4,409,000
|
S/ 14,849,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Tax Year 2021 | SUNAT. | El Brocal |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Disclosure of Commitments and contingencies [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of tailings depreciation rate questioned | item |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2
|
2
|
2
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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| Development cost |
|
|
|
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|
|
|
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|
|
|
|
|
|
|
|
$ 1,865,000
|
S/ 6,281,000
|
$ 1,865,000
|
S/ 6,281,000
|
|
|
|
|
|
|
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|
| Tax Year 2021 | SUNAT. | Minera La Zanja S.R.L |
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|
|
| Disclosure of Commitments and contingencies [Line Items] |
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|
|
|
|
|
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|
| Depreciation questioned |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3,946,000
|
14,876,000
|
|
|
|
|
|
|
|
|
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|
|
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| Tax Year 2021 | SUNAT. | Procesadora Industrial Ro Seco S.A.C. [Member] | Open tax procedure |
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|
|
| Disclosure of Commitments and contingencies [Line Items] |
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|
| Deductions disallowed during the tax examinations |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2,448,000
|
8,243,000
|
2,448,000
|
8,243,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
| Depreciation questioned |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,725,000
|
S/ 5,810,000
|
1,725,000
|
S/ 5,810,000
|
|
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| Current income taxes |
|
|
|
|
|
|
|
|
|
|
|
$ 95,000
|
|
|
|
|
|
$ 95,000
|
|
$ 95,000
|
|
|
|
|
|
|
|
|
|
S/ 320,000
|
|
|
|
|
|
|
|
|
|
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|
|
| Tax year 2022 | SUNAT. | Sociedad Minera El Brocal S.A.A | Examination Of Special Mining Tax Return |
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| Disclosure of Commitments and contingencies [Line Items] |
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|
| Tax assessment value |
|
|
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|
|
$ 104,000
|
|
|
|
|
|
|
|
104,000
|
|
|
|
|
|
|
|
|
|
|
|
|
S/ 349,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amount of Tax Assessment Value Paid |
|
|
$ 84,000
|
S/ 286,000
|
|
|
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|
| Mining costs disallowed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
868,000
|
2,922,000
|
|
|
|
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|
|
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|
|
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|
|
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|
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| Mining operating expenses disallowed |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 1,003,000
|
S/ 3,377,000
|
|
|
|
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|
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|