Property, plant, equipment and development costs (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Property, plant, equipment and development costs |
|
|
| Opening balance |
$ 1,889,785
|
$ 1,600,295
|
| Final balances |
2,314,432
|
1,889,785
|
| Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
4,604,469
|
4,165,696
|
| Additions |
496,152
|
378,238
|
| Disposals |
(65,160)
|
(9,030)
|
| Sales |
(9,865)
|
(11,367)
|
| Changes in estimations |
68,610
|
80,932
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
5,094,206
|
4,604,469
|
| Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
2,703,955
|
2,558,856
|
| Additions |
135,172
|
157,416
|
| Disposals |
(63,318)
|
(979)
|
| Sales |
9,022
|
11,338
|
| Changes in estimations |
2,258
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
2,769,045
|
2,703,955
|
| Accumulated impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
10,729
|
6,545
|
| Additions |
0
|
4,184
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
10,729
|
10,729
|
| Land | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
18,765
|
18,765
|
| Additions |
0
|
0
|
| Disposals |
(89)
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
18,676
|
18,765
|
| Mining concessions | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
77,557
|
77,567
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
(3)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
(4)
|
(7)
|
| Final balances |
77,553
|
77,557
|
| Development costs | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
1,097,460
|
993,802
|
| Additions |
155,427
|
101,876
|
| Disposals |
(16,816)
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
1,782
|
| Final balances |
1,236,071
|
1,097,460
|
| Development costs | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
452,987
|
412,290
|
| Additions |
18,444
|
33,236
|
| Disposals |
(14,820)
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
7,461
|
| Final balances |
456,611
|
452,987
|
| Buildings, constructions and other | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
1,455,102
|
1,375,600
|
| Additions |
0
|
0
|
| Disposals |
(2,868)
|
0
|
| Sales |
(590)
|
(313)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
288,060
|
79,815
|
| Final balances |
1,739,704
|
1,455,102
|
| Buildings, constructions and other | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
939,869
|
879,837
|
| Additions |
55,859
|
67,469
|
| Disposals |
(2,763)
|
0
|
| Sales |
590
|
(313)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
(7,124)
|
| Final balances |
992,375
|
939,869
|
| Machinery and equipment | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
902,082
|
889,211
|
| Additions |
0
|
0
|
| Disposals |
(43,563)
|
(1,466)
|
| Sales |
(7,806)
|
(10,567)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
103,557
|
24,904
|
| Final balances |
954,270
|
902,082
|
| Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
803,665
|
777,144
|
| Additions |
31,958
|
31,398
|
| Disposals |
(43,927)
|
(938)
|
| Sales |
7,089
|
10,541
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
6,602
|
| Final balances |
784,607
|
803,665
|
| Machinery and equipment | Accumulated impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
4,184
|
0
|
| Additions |
0
|
4,184
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
4,184
|
4,184
|
| Transportation units | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
5,092
|
5,530
|
| Additions |
0
|
0
|
| Disposals |
(327)
|
(68)
|
| Sales |
(1,337)
|
(483)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
755
|
113
|
| Final balances |
4,183
|
5,092
|
| Transportation units | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
4,227
|
4,643
|
| Additions |
351
|
249
|
| Disposals |
(319)
|
(41)
|
| Sales |
1,337
|
483
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
(141)
|
| Final balances |
2,922
|
4,227
|
| Furniture and fixtures | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
12,696
|
11,531
|
| Additions |
0
|
0
|
| Disposals |
(1,497)
|
0
|
| Sales |
(7)
|
(1)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
35
|
1,166
|
| Final balances |
11,227
|
12,696
|
| Furniture and fixtures | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
10,869
|
10,672
|
| Additions |
469
|
501
|
| Disposals |
(1,489)
|
0
|
| Sales |
6
|
(1)
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
(303)
|
| Final balances |
9,843
|
10,869
|
| Units in transit | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
85,906
|
52,138
|
| Additions |
50,967
|
33,521
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
(95,439)
|
247
|
| Final balances |
41,434
|
85,906
|
| Work in progress | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
321,291
|
186,123
|
| Additions |
289,758
|
242,841
|
| Disposals |
0
|
(7,496)
|
| Sales |
(125)
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
(297,070)
|
(100,177)
|
| Final balances |
313,854
|
321,291
|
| Stripping activity asset | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
199,110
|
199,109
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
1
|
| Final balances |
199,110
|
199,110
|
| Stripping activity asset | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
199,110
|
205,052
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
(5,942)
|
| Final balances |
199,110
|
199,110
|
| Mine closure costs | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
395,480
|
322,392
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
66,177
|
73,090
|
| Reclassifications and transfers |
0
|
(2)
|
| Final balances |
461,657
|
395,480
|
| Mine closure costs | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
265,872
|
247,046
|
| Additions |
28,067
|
18,826
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
293,939
|
265,872
|
| Mine closure costs | Accumulated impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
2,206
|
2,206
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
2,206
|
2,206
|
| Mine Development Cost | Accumulated impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
3,485
|
3,488
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
(3)
|
| Final balances |
3,485
|
3,485
|
| Property, plant and other | Accumulated impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
854
|
851
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
0
|
0
|
| Reclassifications and transfers |
0
|
3
|
| Final balances |
854
|
854
|
| Right-of-use asset | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
33,928
|
33,928
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
2,433
|
7,842
|
| Reclassifications and transfers |
106
|
(7,842)
|
| Final balances |
36,467
|
33,928
|
| Right-of-use asset | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
27,356
|
22,172
|
| Additions |
24
|
5,737
|
| Disposals |
0
|
0
|
| Sales |
0
|
0
|
| Changes in estimations |
2,258
|
0
|
| Reclassifications and transfers |
0
|
(553)
|
| Final balances |
29,638
|
27,356
|
| Sociedad Minera Cerro Verde S.A.A. |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
5,580,816
|
5,528,663
|
| Final balances |
5,755,547
|
5,580,816
|
| Sociedad Minera Cerro Verde S.A.A. | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
10,980,559
|
10,428,554
|
| Additions |
839,221
|
672,770
|
| Disposals |
(53,306)
|
(83,880)
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
11,758,065
|
10,980,559
|
| Sociedad Minera Cerro Verde S.A.A. | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
5,399,743
|
4,899,891
|
| Additions |
651,696
|
583,004
|
| Disposals |
(48,921)
|
(83,152)
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
6,002,518
|
5,399,743
|
| Sociedad Minera Cerro Verde S.A.A. | Land | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
33,562
|
33,562
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
1,782
|
0
|
| Final balances |
35,344
|
33,562
|
| Sociedad Minera Cerro Verde S.A.A. | Machinery and equipment | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
5,490,062
|
5,342,285
|
| Additions |
0
|
0
|
| Disposals |
(16,981)
|
(77,827)
|
| Reclassifications and transfers |
250,865
|
226,320
|
| Final balances |
5,723,166
|
5,490,062
|
| Sociedad Minera Cerro Verde S.A.A. | Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
3,247,485
|
3,031,301
|
| Additions |
298,541
|
293,826
|
| Disposals |
(16,312)
|
(77,224)
|
| Reclassifications and transfers |
261
|
0
|
| Final balances |
3,529,792
|
3,247,485
|
| Sociedad Minera Cerro Verde S.A.A. | Transportation units | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
45,775
|
40,632
|
| Additions |
0
|
0
|
| Disposals |
(3,719)
|
(306)
|
| Reclassifications and transfers |
1,583
|
5,449
|
| Final balances |
43,639
|
45,775
|
| Sociedad Minera Cerro Verde S.A.A. | Transportation units | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
26,079
|
23,181
|
| Additions |
3,396
|
3,159
|
| Disposals |
(3,166)
|
(261)
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
26,309
|
26,079
|
| Sociedad Minera Cerro Verde S.A.A. | Furniture and fixtures | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
572
|
572
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
572
|
572
|
| Sociedad Minera Cerro Verde S.A.A. | Furniture and fixtures | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
572
|
572
|
| Additions |
0
|
0
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
572
|
572
|
| Sociedad Minera Cerro Verde S.A.A. | Work in progress | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
300,578
|
185,068
|
| Additions |
373,171
|
358,684
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
(266,944)
|
(243,174)
|
| Final balances |
406,805
|
300,578
|
| Sociedad Minera Cerro Verde S.A.A. | Mine heavy equipment |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
45,300
|
49,900
|
| Sociedad Minera Cerro Verde S.A.A. | Tailings dam projects |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
108,900
|
74,200
|
| Sociedad Minera Cerro Verde S.A.A. | Belt Replacement Projects [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
8,300
|
10,800
|
| Sociedad Minera Cerro Verde S.A.A. | Mine Support Equipment [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
67,800
|
109,300
|
| Sociedad Minera Cerro Verde S.A.A. | Construction of new in-pit crusher and improvements to existing crushers |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
107,700
|
71,800
|
| Sociedad Minera Cerro Verde S.A.A. | Expansion of a leach paid |
|
|
| Property, plant, equipment and development costs |
|
|
| Additions |
|
7,900
|
| Sociedad Minera Cerro Verde S.A.A. | Stripping activity asset | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
2,120,689
|
1,808,081
|
| Additions |
381,615
|
312,608
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
2,502,304
|
2,120,689
|
| Sociedad Minera Cerro Verde S.A.A. | Stripping activity asset | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
1,250,637
|
1,059,567
|
| Additions |
255,247
|
191,070
|
| Disposals |
0
|
0
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
1,505,884
|
1,250,637
|
| Sociedad Minera Cerro Verde S.A.A. | Right-of-use asset | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
99,847
|
99,779
|
| Additions |
84,435
|
1,478
|
| Disposals |
(10,481)
|
(1,410)
|
| Reclassifications and transfers |
(3,253)
|
0
|
| Final balances |
170,548
|
99,847
|
| Sociedad Minera Cerro Verde S.A.A. | Right-of-use asset | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
59,541
|
49,731
|
| Additions |
14,202
|
11,152
|
| Disposals |
(10,454)
|
(1,342)
|
| Reclassifications and transfers |
(261)
|
0
|
| Final balances |
63,028
|
59,541
|
| Sociedad Minera Cerro Verde S.A.A. | Property, plant and other | Gross carrying amount [Member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
36,241
|
36,404
|
| Additions |
0
|
0
|
| Disposals |
(14,624)
|
(436)
|
| Reclassifications and transfers |
35
|
273
|
| Final balances |
21,652
|
36,241
|
| Sociedad Minera Cerro Verde S.A.A. | Property, plant and other | Accumulated depreciation, amortisation and impairment [member] |
|
|
| Property, plant, equipment and development costs |
|
|
| Opening balance |
32,938
|
30,286
|
| Additions |
2,195
|
3,088
|
| Disposals |
(14,624)
|
(436)
|
| Reclassifications and transfers |
0
|
0
|
| Final balances |
$ 20,509
|
$ 32,938
|