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Property, plant, equipment and development costs - Net cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Property, plant and equipments, net [Line Items]    
Opening balance $ 1,535,195 $ 1,537,870
Final balances 1,600,295 1,535,195
Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 5,387,377 5,371,534
Final balances 5,528,663 5,387,377
Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 3,918,330 3,810,767
Additions 276,074 164,784
Sales and disposals (1,662) (45,210)
Sales 5,954 1,854
Final balances 4,165,696 3,918,330
Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 9,826,584 9,366,048
Additions 650,302 536,355
Adjustments and reclassifications 38,261 (17,831)
Sales and disposals (86,593) (57,988)
Transfer/Other changes 0 0
Final balances 10,428,554 9,826,584
Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 2,376,590 2,246,478
Additions 188,116 173,233
Sales and disposals (314) (41,280)
Sales 5,536 (1,841)
Final balances 2,558,856 2,376,590
Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 4,439,207 3,994,514
Additions 521,404 502,408
Adjustments and reclassifications 19,912 0
Sales and disposals (80,632) (57,715)
Transfer/Other changes 0 0
Final balances 4,899,891 4,439,207
Land | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 18,765 17,703
Additions 0 0
Sales and disposals 0 0
Sales 0 0
Final balances 18,765 18,765
Land | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 33,202 30,382
Additions 0 0
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 360 2,820
Final balances 33,562 33,202
Buildings and constructions [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 2,608,449 2,596,406
Additions 0 0
Adjustments and reclassifications 0 1,041
Sales and disposals (35,964) (61)
Transfer/Other changes 100,777 11,063
Final balances 2,673,262 2,608,449
Buildings and constructions [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 595,921 522,381
Additions 74,690 72,899
Adjustments and reclassifications 19,912 655
Sales and disposals (32,418) (14)
Transfer/Other changes 0 0
Final balances 658,105 595,921
Machinery and equipment | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 874,015 902,397
Additions 1 10
Sales and disposals (233) (41,053)
Sales 0 34
Final balances 889,211 874,015
Machinery and equipment | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 5,197,630 5,098,359
Additions 0 0
Adjustments and reclassifications 0 (1,041)
Sales and disposals (49,382) (54,732)
Transfer/Other changes 194,037 155,044
Final balances 5,342,285 5,197,630
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 744,649 742,340
Additions 37,510 42,698
Sales and disposals (223) (40,355)
Sales 4,792 (34)
Final balances 777,144 744,649
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 2,787,467 2,569,972
Additions 290,691 272,528
Adjustments and reclassifications 0 (655)
Sales and disposals (46,980) (54,519)
Transfer/Other changes 123 141
Final balances 3,031,301 2,787,467
Transportation units | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 5,657 7,662
Additions 0 15
Sales and disposals (89) (277)
Sales 761 1,816
Final balances 5,530 5,657
Transportation units | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 36,377 33,382
Additions 0 0
Adjustments and reclassifications 0 0
Sales and disposals (133) 0
Transfer/Other changes 4,388 2,995
Final balances 40,632 36,377
Transportation units | Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 5,172 6,650
Additions 301 478
Sales and disposals (85) (153)
Sales 744 (1,803)
Final balances 4,644 5,172
Transportation units | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 20,787 18,627
Additions 2,514 2,160
Adjustments and reclassifications 0 0
Sales and disposals (120) 0
Transfer/Other changes 0 0
Final balances 23,181 20,787
Fixtures and fittings | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 11,071 11,770
Additions 2 0
Sales and disposals (6) (702)
Sales 0 4
Final balances 11,531 11,071
Fixtures and fittings | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 572 572
Additions 0 0
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances 572 572
Fixtures and fittings | Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 10,221 10,328
Additions 457 548
Sales and disposals (6) (651)
Sales 0 (4)
Final balances 10,672 10,221
Fixtures and fittings | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 572 551
Additions 0 21
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances 572 572
Other equipment | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 36,222 35,395
Additions 0 0
Adjustments and reclassifications 0 0
Sales and disposals 0 (58)
Transfer/Other changes 182 885
Final balances 36,404 36,222
Other equipment | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 27,168 24,090
Additions 3,118 3,136
Adjustments and reclassifications 0 0
Sales and disposals 0 (58)
Transfer/Other changes 0 0
Final balances 30,286 27,168
Work in Progress [Member] | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 91,468 46,287
Additions 139,610 65,577
Sales and disposals (1,326) (3,049)
Sales 0 0
Final balances 186,123 91,468
Work in Progress [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 184,265 126,527
Additions 302,302 227,216
Adjustments and reclassifications (2,164) (19)
Sales and disposals 0 0
Transfer/Other changes (299,335) (169,459)
Final balances 185,068 184,265
Right-of-use assets [member] | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 30,944 19,232
Additions 1,929 0
Sales and disposals 0 0
Sales 0 0
Final balances 33,928 30,944
Right-of-use assets [member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 97,356 98,900
Additions 3,946 4,941
Adjustments and reclassifications 0 0
Sales and disposals (1,114) (3,137)
Transfer/Other changes (409) (3,348)
Final balances 99,779 97,356
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 18,184 13,894
Additions 3,988 4,290
Sales and disposals 0 0
Sales 0 0
Final balances 22,172 18,184
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 39,851 30,408
Additions 11,117 12,708
Adjustments and reclassifications 0 0
Sales and disposals (1,114) (3,124)
Transfer/Other changes (123) (141)
Final balances 49,731 39,851
Stripping activity asset [Member] | Gross carrying amount [Member]    
Property, plant and equipments, net [Line Items]    
Opening balance 182,117 155,448
Additions 8,953 26,669
Sales and disposals 0 0
Sales 0 0
Final balances 191,070 182,117
Stripping activity asset [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 1,464,027 1,159,829
Additions 344,054 304,198
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances 1,808,081 1,464,027
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member]    
Property, plant and equipments, net [Line Items]    
Opening balance 139,947 118,178
Additions 51,123 21,769
Sales and disposals 0 0
Sales 0 0
Final balances 191,070 139,947
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 925,757 791,571
Additions 133,810 134,186
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances 1,059,567 925,757
Asset retirement costs [Member] | Gross carrying amount [Member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 168,484 186,296
Additions 0 0
Adjustments and reclassifications 40,425 (17,812)
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances 208,909 168,484
Asset retirement costs [Member] | Accumulated depreciation, amortisation and impairment [member] | Sociedad Minera Cerro Verde S.A.A.    
Property, plant and equipments, net [Line Items]    
Opening balance 41,684 36,914
Additions 5,464 4,770
Adjustments and reclassifications 0 0
Sales and disposals 0 0
Transfer/Other changes 0 0
Final balances $ 47,148 $ 41,684