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Mining concessions, development costs, right-of-use asset, property, plant and equipment, net - Carrying amounts of right-of-use assets recognized (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | $ 6,185 |
Addition | 6,200 | $ 3,700
Ending Balance | 7,178 | 6,185
Sociedad Minera Cerro Verde S.A.A. [Member] |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | 84,856 | 95,728
Ending Balance | 76,862 | 84,856
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | 95,441 | 95,728
Addition | 3,328 | 1,342
Adjustments |  | (700)
Disposals and or/sales | (2,318) | (929)
Ending Balance | 96,451 | 95,441
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Land |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | 9,851 | 11,008
Adjustments |  | (700)
Disposals and or/sales |  | (457)
Ending Balance | 9,851 | 9,851
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Buildings and other constructions |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | 55,936 | 55,114
Addition | 2,880 | 1,192
Disposals and or/sales | (2,222) | (370)
Ending Balance | 56,594 | 55,936
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | Machinery and equipment |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | 29,654 | 29,606
Addition | 448 | 150
Disposals and or/sales | (96) | (102)
Ending Balance | 30,006 | 29,654
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | (10,585) | 0
Addition | 11,320 | 11,488
Disposals and or/sales | (2,316) | (903)
Ending Balance | (19,589) | (10,585)
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Land |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | (1,255) | 0
Addition | 1,642 | 1,712
Disposals and or/sales |  | (457)
Ending Balance | (2,897) | (1,255)
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Buildings and other constructions |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | (6,269) | 0
Addition | 6,526 | 6,613
Disposals and or/sales | (2,220) | (344)
Ending Balance | (10,575) | (6,269)
Sociedad Minera Cerro Verde S.A.A. [Member] | Accumulated depreciation, amortisation and impairment [member] | Machinery and equipment |  |
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items] |  |
Opening Balance | (3,061) | 0
Addition | 3,152 | 3,163
Disposals and or/sales | (96) | (102)
Ending Balance | $ (6,117) | $ (3,061)

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- Definition Mining concessions, development costs, property, plant and equipment, net + References No definition available. + Details
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- Definition The amount of disposals of right-of-use assets. + References No definition available. + Details
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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_h&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_j&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The increase (decrease) in the revaluation surplus that relates to right-of-use assets. [Refer: Revaluation surplus; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 57 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_57&doctype=Standard -URIDate 2020-01-01 + Details
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