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Investments in associates and joint venture - Additional information (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2022 PEN (S/) | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($)
Investments in associates and joint ventures |  |  |  |
Provision for workers participation | $ 1,289,000 | S/ 4,922,000 |  |
Gross proceeds to associate | $ 1,677,000 |  | $ 0 | $ 13,453,000
Sociedads Minera Cerro Verde S.A.A. |  |  |  |
Investments in associates and joint ventures |  |  |  |
Percent of common shares acquired | 19.58% | 19.58% | 19.58% |
market capitalization of shares | $ 2,043,000,000 |  | $ 2,552,000,000 |
market capitalization value per share | $ / shares | $ 29.80 |  | $ 37.23 |
Transportadora Callao SA |  |  |  |
Investments in associates and joint ventures |  |  |  |
Percentage of voting equity interests acquired | 8.00% |  |  |
Tinka resources Ltd |  |  |  |
Investments in associates and joint ventures |  |  |  |
Percent of common shares acquired | 19.32% | 19.32% | 19.30% |
market capitalization of shares | $ 11,000,000.0 |  | $ 11,000,000.0 |
market capitalization value per share | $ / shares | $ 0.14 |  | $ 0.16 |

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- Definition The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 39 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2022-03-24 + Details
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