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Mining concessions, development costs, right-of-use asset, property, plant and equipment, net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | $ 1,754,372 | $ 1,847,615 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 1,650,361 | 1,754,372 | $ 1,847,615
Final balances | 1,650,361 | 1,754,372 | 1,847,615
Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 3,781,326 | 3,727,403 |
Additions | 109,325 | 133,070 |
Disposals | (14,270) | (48,153) |
Sales | (104,403) | (45,772) |
Reclassifications and transfers |  | (3,750) |
Implementation IFRS 16 |  | 18,528 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 3,771,978 | 3,781,326 | 3,727,403
Final balances | 3,771,978 | 3,781,326 | 3,727,403
Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (1,998,596) | (1,853,513) |
Additions | (199,586) | (222,221) |
Disposals | 1,595 | 36,331 |
Sales | 101,245 | 40,807 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (2,095,342) | (1,998,596) | (1,853,513)
Final balances | (2,095,342) | (1,998,596) | (1,853,513)
Accumulated impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (28,358) | (26,275) |
Additions | 2,083 | 2,083 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (26,275) | (28,358) | (26,275)
Final balances | (26,275) | (28,358) | (26,275)
Land | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 17,517 | 21,761 |
Additions | 133 | 630 |
Sales |  | (135) |
Reclassifications and transfers |  | (4,739) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 17,650 | 17,517 | 21,761
Final balances | 17,650 | 17,517 | 21,761
Mining concessions [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 151,873 | 151,873 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 151,873 | 151,873 | 151,873
Final balances | 151,873 | 151,873 | 151,873
Mining concessions [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (40,259) | (40,249) |
Additions | (11) | (10) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (40,270) | (40,259) | (40,249)
Final balances | (40,270) | (40,259) | (40,249)
Development costs [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 788,044 | 743,259 |
Additions | 33,233 | 46,047 |
Disposals |  | (443) |
Sales | 8,657 |  |
Reclassifications and transfers | 612 | (819) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 813,232 | 788,044 | 743,259
Final balances | 813,232 | 788,044 | 743,259
Development costs [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (328,517) | (298,553) |
Additions | (21,139) | (29,964) |
Sales | 8,657 |  |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (340,999) | (328,517) | (298,553)
Final balances | (340,999) | (328,517) | (298,553)
Buildings and other constructions | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 1,359,841 | 1,342,621 |
Additions | 99 | 39 |
Disposals | (132) | (3,559) |
Sales | 45,624 | (5,380) |
Reclassifications and transfers | 28,876 | 26,120 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 1,343,060 | 1,359,841 | 1,342,621
Final balances | 1,343,060 | 1,359,841 | 1,342,621
Buildings and other constructions | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (667,319) | (591,643) |
Additions | (74,719) | (83,274) |
Disposals | 53 | 3,391 |
Sales | 44,096 | (3,569) |
Reclassifications and transfers | 435 | (638) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (698,324) | (667,319) | (591,643)
Final balances | (698,324) | (667,319) | (591,643)
Machinery and equipment | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 912,704 | 958,466 |
Additions | 4 | 12 |
Disposals | (419) | (30,235) |
Sales | 42,319 | (38,322) |
Reclassifications and transfers | 13,222 | 22,783 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 883,192 | 912,704 | 958,466
Final balances | 883,192 | 912,704 | 958,466
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (667,937) | (665,357) |
Additions | (60,034) | (66,020) |
Disposals | 265 | 28,619 |
Sales | 40,805 | 35,459 |
Reclassifications and transfers | (435) | 638 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (686,466) | (667,937) | (665,357)
Final balances | (686,466) | (667,937) | (665,357)
Transportation units [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 8,892 | 10,885 |
Additions |  | 33 |
Disposals |  | (540) |
Sales | 577 | (1,856) |
Reclassifications and transfers | 94 | 370 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 8,409 | 8,892 | 10,885
Final balances | 8,409 | 8,892 | 10,885
Transportation units [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (7,026) | (8,599) |
Additions | (607) | (744) |
Disposals |  | 538 |
Sales | 550 | 1,779 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (7,083) | (7,026) | (8,599)
Final balances | (7,083) | (7,026) | (8,599)
Fixtures and fittings [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 12,010 | 13,306 |
Additions | 3 | 2 |
Disposals | (74) | (1,310) |
Sales | 408 | (1) |
Reclassifications and transfers | 206 | 13 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 11,737 | 12,010 | 13,306
Final balances | 11,737 | 12,010 | 13,306
Fixtures and fittings [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (9,604) | (10,123) |
Additions | (614) | (653) |
Disposals | 46 | 1,172 |
Sales | 348 |  |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (9,824) | (9,604) | (10,123)
Final balances | (9,824) | (9,604) | (10,123)
Units in transit [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 3,754 | 2,682 |
Disposals | (373) | (1) |
Reclassifications and transfers |  | 1,073 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 3,381 | 3,754 | 2,682
Final balances | 3,381 | 3,754 | 2,682
Work in Progress [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 50,365 | 56,662 |
Additions | 27,322 | 44,319 |
Disposals | (325) | (1,168) |
Sales | 30 | (78) |
Reclassifications and transfers | (42,398) | (49,370) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 34,934 | 50,365 | 56,662
Final balances | 34,934 | 50,365 | 56,662
Stripping activity asset [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 154,090 | 141,726 |
Additions | 10,752 | 11,545 |
Disposals | (11,633) |  |
Reclassifications and transfers | (612) | 819 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 152,597 | 154,090 | 141,726
Final balances | 152,597 | 154,090 | 141,726
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (88,923) | (70,518) |
Additions | (22,532) | (18,405) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (111,455) | (88,923) | (70,518)
Final balances | (111,455) | (88,923) | (70,518)
Right-of-use assets [member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 11,352 |  |
Additions | 6,221 | 3,721 |
Disposals | (1,314) | (10,897) |
Implementation IFRS 16 |  | 18,528 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 16,259 | 11,352 |
Final balances | 16,259 | 11,352 |
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (5,167) |  |
Additions | (5,145) | 7,778 |
Disposals | 1,231 | 2,611 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (9,081) | (5,167) |
Final balances | (9,081) | (5,167) |
Mine closure costs [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 310,884 | 284,162 |
Additions | 31,558 | 26,722 |
Sales | 6,788 |  |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 335,654 | 310,884 | 284,162
Final balances | 335,654 | 310,884 | 284,162
Mine closure costs [Member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (183,844) | (168,471) |
Additions | (14,785) | (15,373) |
Sales | 6,789 |  |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (191,840) | (183,844) | (168,471)
Final balances | (191,840) | (183,844) | (168,471)
Mine closure costs [Member] | Accumulated impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (15,290) | (13,207) |
Additions | 2,083 | 2,083 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (13,207) | (15,290) | (13,207)
Final balances | (13,207) | (15,290) | (13,207)
Mine Development Cost [Member] | Accumulated impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (10,153) | (10,153) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (10,153) | (10,153) | (10,153)
Final balances | (10,153) | (10,153) | (10,153)
Mining Concessions And Development Costs [Member] | Accumulated impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (2,915) | (2,915) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (2,915) | (2,915) | (2,915)
Final balances | (2,915) | (2,915) | (2,915)
Sociedad Minera Cerro Verde S.A.A. [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 5,690,851 | 5,602,902 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 5,495,976 | 5,690,851 | 5,602,902
Final balances | 5,495,976 | 5,690,851 | 5,602,902
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 8,753,310 | 8,166,652 |
Additions | 294,846 | 529,708 |
Disposals | (15,146) | (36,886) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 9,026,755 | 8,753,310 | 8,166,652
Final balances | 9,026,755 | 8,753,310 | 8,166,652
Sociedad Minera Cerro Verde S.A.A. [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 95,728
Sociedad Minera Cerro Verde S.A.A. [Member] | Land | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 24,905 | 24,663 |
Additions | 0 | 0 |
Disposals | 0 | (80) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 24,905 | 24,905 | 24,663
Final balances | 24,905 | 24,905 | 24,663
Sociedad Minera Cerro Verde S.A.A. [Member] | Land | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Machinery and equipment | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 4,854,613 | 4,694,050 |
Additions | 0 | 0 |
Disposals | (12,814) | (30,482) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 4,985,749 | 4,854,613 | 4,694,050
Final balances | 4,985,749 | 4,854,613 | 4,694,050
Sociedad Minera Cerro Verde S.A.A. [Member] | Machinery and equipment | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Transportation units [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 26,365 | 23,251 |
Additions | 0 | 0 |
Disposals | 0 | (32) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 30,098 | 26,365 | 23,251
Final balances | 30,098 | 26,365 | 23,251
Sociedad Minera Cerro Verde S.A.A. [Member] | Transportation units [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Fixtures and fittings [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 949 | 949 |
Additions | 0 | 0 |
Disposals | 0 | 0 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 949 | 949 | 949
Final balances | 949 | 949 | 949
Sociedad Minera Cerro Verde S.A.A. [Member] | Fixtures and fittings [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Work in Progress [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 158,068 | 185,928 |
Additions | 161,059 | 271,364 |
Disposals | 0 | 0 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 118,430 | 158,068 | 185,928
Final balances | 118,430 | 158,068 | 185,928
Sociedad Minera Cerro Verde S.A.A. [Member] | Work in Progress [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Mine Maintenance Truck Shop [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 13,400 | 78,200 |
Additions for capitalization of interest | 1,400 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Haul Trucks [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 24,600 | 47,100 |
Sociedad Minera Cerro Verde S.A.A. [Member] | Stators For Ball Mills [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 7,000 | 18,300 |
Additions for capitalization of interest | 200 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Tailing Drain Expansion [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  | 15,200 |
Sociedad Minera Cerro Verde S.A.A. [Member] | Concentrator Optimization Project [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  | 12,300 |
Sociedad Minera Cerro Verde S.A.A. [Member] | Regrowth Of Leach Pad [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  | 10,900 |
Sociedad Minera Cerro Verde S.A.A. [Member] | Staged Flotation Reactor Engineering Project [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  | 6,200 |
Sociedad Minera Cerro Verde S.A.A. [Member] | New shovel and rebuild of another shovel |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 37,900 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Projects associated with the capitalization of main components of the mine heavy equipment |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 17,600 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Projects for the optimization of the Company's operating processes |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 14,800 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Rollers [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 11,000 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Tailing dam projects related to drain expansion and jacking header extension |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions | 10,400 |  |
Additions for capitalization of interest | 400 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Other projects |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions for capitalization of interest | 500 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] | Stripping activity asset [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 852,747 | 655,709 |
Additions | 92,890 | 197,038 |
Disposals | 0 | 0 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 945,637 | 852,747 | 655,709
Final balances | 945,637 | 852,747 | 655,709
Sociedad Minera Cerro Verde S.A.A. [Member] | Stripping activity asset [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 0
Sociedad Minera Cerro Verde S.A.A. [Member] | Right-of-use assets [member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 95,441 |  |
Additions | 3,328 | 1,342 |
Disposals | (2,318) | (929) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 96,451 | 95,441 |
Final balances | 96,451 | 95,441 |
Sociedad Minera Cerro Verde S.A.A. [Member] | Right-of-use assets [member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | 95,728
Sociedad Minera Cerro Verde S.A.A. [Member] | Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | (10,585) |  |
Additions | (11,320) | 11,488 |
Disposals | 2,316 | 903 |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | (19,589) | (10,585) |
Final balances | (19,589) | (10,585) |
Sociedad Minera Cerro Verde S.A.A. [Member] | Other property, plant and equipment [Member] | Gross carrying amount [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Opening balance | 25,100 | 25,491 |
Additions | 0 | 0 |
Disposals | 0 | (594) |
Mining concessions, development costs, right-of-use asset, property, plant and equipment, net | 30,965 | 25,100 | 25,491
Final balances | $ 30,965 | $ 25,100 | 25,491
Sociedad Minera Cerro Verde S.A.A. [Member] | Other property, plant and equipment [Member] | Gross carrying amount [Member] | IFRS 16 [Member] |  |  |
Mining concessions, development costs, property, plant and equipment, net |  |  |
Additions |  |  | $ 0

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