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Property, plant, equipment and development costs (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Property, plant, equipment and development costs      
Opening balance $ 1,537,870 $ 1,650,361  
Property, plant, equipment and development cost 1,535,195 1,537,870 $ 1,650,361
Final balances 1,535,195 1,537,870 1,650,361
Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 3,851,044 3,771,978  
Additions 164,784 90,309  
Disposals (45,204) (9,761)  
Sales (1,854) (1,183)  
Changes in estimations (10,157) (299)  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 3,958,613 3,851,044 3,771,978
Final balances 3,958,613 3,851,044 3,771,978
Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 2,286,755 2,095,342  
Additions 173,239 178,294  
Disposals (41,280) (583)  
Sales (1,841) 1,064  
Changes in estimations 0 0  
Reclassifications and transfers 0 14,766  
Property, plant, equipment and development cost 2,416,873 2,286,755 2,095,342
Final balances 2,416,873 2,286,755 2,095,342
Accumulated impairment [member]      
Property, plant, equipment and development costs      
Opening balance 26,419 26,275  
Additions 0 19,874  
Disposals (19,874) (4,964)  
Sales 0 0  
Changes in estimations 0 (14,766)  
Reclassifications and transfers 0 (14,766)  
Property, plant, equipment and development cost 6,545 26,419 26,275
Final balances 6,545 26,419 26,275
Land | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 17,703 17,650  
Additions 0 0  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 1,062 53  
Property, plant, equipment and development cost 18,765 17,703 17,650
Final balances 18,765 17,703 17,650
Mining concessions [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 151,873 151,873  
Additions 0 0  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 151,873 151,873 151,873
Final balances 151,873 151,873 151,873
Mining concessions [Member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 40,277 40,270  
Additions 6 7  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 40,283 40,277 40,270
Final balances 40,283 40,277 40,270
Development costs [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 844,981 813,232  
Additions 59,702 31,749  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 904,683 844,981 813,232
Final balances 904,683 844,981 813,232
Development costs [Member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 361,581 340,999  
Additions 26,907 20,582  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 388,488 361,581 340,999
Final balances 388,488 361,581 340,999
Development costs [Member] | Accumulated impairment [member]      
Property, plant, equipment and development costs      
Reclassifications and transfers 0 (6,665)  
Buildings and other constructions | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 1,350,395 1,343,060  
Additions 0 31  
Disposals (123) (11)  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 3,510 7,315  
Property, plant, equipment and development cost 1,353,782 1,350,395 1,343,060
Final balances 1,353,782 1,350,395 1,343,060
Buildings and other constructions | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 765,694 698,324  
Additions 58,345 66,445  
Disposals (121) (3)  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 928  
Property, plant, equipment and development cost 823,918 765,694 698,324
Final balances 823,918 765,694 698,324
Machinery and equipment | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 902,397 883,192  
Additions 10 5  
Disposals (41,053) (393)  
Sales (34) (249)  
Changes in estimations 0 0  
Reclassifications and transfers 12,695 19,842  
Property, plant, equipment and development cost 874,015 902,397 883,192
Final balances 874,015 902,397 883,192
Machinery and equipment | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 742,340 686,466  
Additions 42,698 56,384  
Disposals (40,355) (340)  
Sales (34) 170  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 744,649 742,340 686,466
Final balances 744,649 742,340 686,466
Transportation units | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 7,662 8,409  
Additions 15 70  
Disposals (277) (152)  
Sales (1,816) (934)  
Changes in estimations 0 0  
Reclassifications and transfers 73 269  
Property, plant, equipment and development cost 5,657 7,662 8,409
Final balances 5,657 7,662 8,409
Transportation units | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 6,650 7,083  
Additions 478 604  
Disposals (153) (143)  
Sales (1,803) 894  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 5,172 6,650 7,083
Final balances 5,172 6,650 7,083
Fixtures and fittings | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 11,770 11,737  
Additions 0 33  
Disposals (702) (98)  
Sales (4) 0  
Changes in estimations 0 0  
Reclassifications and transfers 7 98  
Property, plant, equipment and development cost 11,071 11,770 11,737
Final balances 11,071 11,770 11,737
Fixtures and fittings | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 10,328 9,824  
Additions 548 601  
Disposals (651) (97)  
Sales (4) 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 10,221 10,328 9,824
Final balances 10,221 10,328 9,824
Units in transit [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 2,875 3,381  
Additions 12,811 0  
Disposals 0 (506)  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 15,686 2,875 3,381
Final balances 15,686 2,875 3,381
Work in Progress [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 46,287 34,934  
Additions 65,577 40,768  
Disposals (3,049) (1,838)  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers (17,347) (27,577)  
Property, plant, equipment and development cost 91,468 46,287 34,934
Final balances 91,468 46,287 34,934
Stripping activity asset [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 163,487 152,597  
Additions 26,669 17,653  
Disposals 0 (6,763)  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 190,156 163,487 152,597
Final balances 190,156 163,487 152,597
Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 132,159 111,455  
Additions 21,769 14,039  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 6,665  
Property, plant, equipment and development cost 153,928 132,159 111,455
Final balances 153,928 132,159 111,455
Right-of-use assets [member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 19,232 16,259  
Additions 0 0  
Disposals 0 0  
Sales 0 0  
Changes in estimations 11,712 2,973  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 30,944 19,232 16,259
Final balances 30,944 19,232 16,259
Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 13,894 9,081  
Additions 4,290 4,813  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 18,184 13,894 9,081
Final balances 18,184 13,894 9,081
Mine closure costs [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 332,382 335,654  
Additions 0 0  
Disposals 0 0  
Sales 0 0  
Changes in estimations (21,869) (3,272)  
Reclassifications and transfers 0 0  
Property, plant, equipment and development cost 310,513 332,382 335,654
Final balances 310,513 332,382 335,654
Mine closure costs [Member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 213,832 191,840  
Additions 18,198 14,819  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 0  
Reclassifications and transfers 0 7,173  
Property, plant, equipment and development cost 232,030 213,832 191,840
Final balances 232,030 213,832 191,840
Mine closure costs [Member] | Accumulated impairment [member]      
Property, plant, equipment and development costs      
Opening balance 2,206 13,207  
Additions 0 0  
Disposals 0 (3,828)  
Sales 0 0  
Changes in estimations 0 (7,173)  
Reclassifications and transfers 0 (7,173)  
Property, plant, equipment and development cost 2,206 2,206 13,207
Final balances 2,206 2,206 13,207
Mine Development Cost [Member] | Accumulated impairment [member]      
Property, plant, equipment and development costs      
Opening balance 3,488 10,153  
Additions 0 0  
Disposals 0 0  
Sales 0 0  
Changes in estimations 0 (6,665)  
Property, plant, equipment and development cost 3,488 3,488 10,153
Final balances 3,488 3,488 10,153
Mining Concessions And Development Costs [Member] | Accumulated impairment [member]      
Property, plant, equipment and development costs      
Opening balance 20,725 2,915  
Additions 0 19,874  
Disposals (19,874) (1,136)  
Sales 0 0  
Changes in estimations 0 (928)  
Reclassifications and transfers 0 (928)  
Property, plant, equipment and development cost 851 20,725 2,915
Final balances 851 20,725 2,915
Sociedad Minera Cerro Verde S.A.A.      
Property, plant, equipment and development costs      
Opening balance 5,371,534 5,495,976  
Property, plant, equipment and development cost 5,387,377 5,371,534 5,495,976
Final balances $ 5,387,377 $ 5,371,534 5,495,976
Capitalized interest rate 4.25% 2.88%  
Sociedad Minera Cerro Verde S.A.A. | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance $ 9,366,048 $ 9,026,755  
Additions 536,355 376,890  
Disposals (57,988) (19,131)  
Property, plant, equipment and development cost 9,826,584 9,366,048 9,026,755
Final balances 9,826,584 9,366,048 9,026,755
Sociedad Minera Cerro Verde S.A.A. | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 3,994,514 3,530,779  
Additions 502,408 482,688  
Disposals (57,715) (18,953)  
Property, plant, equipment and development cost 4,439,207 3,994,514 3,530,779
Final balances 4,439,207 3,994,514 3,530,779
Sociedad Minera Cerro Verde S.A.A. | Land | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 30,382 24,905  
Additions 0 0  
Disposals 0 0  
Property, plant, equipment and development cost 33,202 30,382 24,905
Final balances 33,202 30,382 24,905
Sociedad Minera Cerro Verde S.A.A. | Machinery and equipment | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 5,098,359 4,985,749  
Additions 0 0  
Disposals (54,732) (14,967)  
Property, plant, equipment and development cost 5,197,630 5,098,359 4,985,749
Final balances 5,197,630 5,098,359 4,985,749
Sociedad Minera Cerro Verde S.A.A. | Machinery and equipment | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 2,569,972    
Additions 272,528 279,531 2,305,568
Disposals (54,519) (14,891)  
Property, plant, equipment and development cost 2,787,467 2,569,972  
Final balances 2,787,467 2,569,972  
Sociedad Minera Cerro Verde S.A.A. | Transportation units | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 33,382 30,098  
Additions 0 0  
Disposals 0 (1,132)  
Property, plant, equipment and development cost 36,377 33,382 30,098
Final balances 36,377 33,382 30,098
Sociedad Minera Cerro Verde S.A.A. | Transportation units | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 18,627 17,698  
Additions 2,160 1,969  
Disposals 0 (1,040)  
Property, plant, equipment and development cost 20,787 18,627 17,698
Final balances 20,787 18,627 17,698
Sociedad Minera Cerro Verde S.A.A. | Fixtures and fittings | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 572 949  
Additions 0 0  
Disposals 0 (377)  
Property, plant, equipment and development cost 572 572 949
Final balances 572 572 949
Sociedad Minera Cerro Verde S.A.A. | Fixtures and fittings | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 551 904  
Additions 21 23  
Disposals 0 (376)  
Property, plant, equipment and development cost 572 551 904
Final balances 572 551 904
Sociedad Minera Cerro Verde S.A.A. | Work in Progress [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 126,527 118,430  
Additions 227,216 158,599  
Disposals 0 0  
Property, plant, equipment and development cost 184,265 126,527 118,430
Final balances 184,265 126,527 118,430
Sociedad Minera Cerro Verde S.A.A. | Trailing Dam Projects      
Property, plant, equipment and development costs      
Additions 55,500 30,100  
Additions for capitalization of interest 1,200 400  
Sociedad Minera Cerro Verde S.A.A. | Mine heavy equipment      
Property, plant, equipment and development costs      
Additions 36,100 28,900  
Sociedad Minera Cerro Verde S.A.A. | Mine Maintenance Truck Shop [Member]      
Property, plant, equipment and development costs      
Additions for capitalization of interest 1,500 1,000  
Sociedad Minera Cerro Verde S.A.A. | Haul Trucks [Member]      
Property, plant, equipment and development costs      
Additions   3,200  
Sociedad Minera Cerro Verde S.A.A. | Operating Processes [Member]      
Property, plant, equipment and development costs      
Additions   2,500  
Sociedad Minera Cerro Verde S.A.A. | Stators For Ball Mills [Member]      
Property, plant, equipment and development costs      
Additions 10,700 18,700  
Additions for capitalization of interest 100 200  
Sociedad Minera Cerro Verde S.A.A. | Shovels [Member]      
Property, plant, equipment and development costs      
Additions   9,200  
Sociedad Minera Cerro Verde S.A.A. | Belt Replacement Projects [Member]      
Property, plant, equipment and development costs      
Additions 11,100 7,900  
Sociedad Minera Cerro Verde S.A.A. | Mine Support Equipment [Member]      
Property, plant, equipment and development costs      
Additions 32,600 17,300  
Sociedad Minera Cerro Verde S.A.A. | Direct Flotation Reactor Technology Project [Member]      
Property, plant, equipment and development costs      
Additions 11,000    
Sociedad Minera Cerro Verde S.A.A. | Flotation Recovery Technology [Member]      
Property, plant, equipment and development costs      
Additions 8,500    
Sociedad Minera Cerro Verde S.A.A. | Primary Crusher [Member]      
Property, plant, equipment and development costs      
Additions   4,300  
Sociedad Minera Cerro Verde S.A.A. | Rollers [Member]      
Property, plant, equipment and development costs      
Additions   9,000  
Sociedad Minera Cerro Verde S.A.A. | Other projects      
Property, plant, equipment and development costs      
Additions for capitalization of interest 300 300  
Sociedad Minera Cerro Verde S.A.A. | Stripping activity asset [Member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 1,159,829 945,637  
Additions 304,198 214,192  
Disposals 0 0  
Property, plant, equipment and development cost 1,464,027 1,159,829 945,637
Final balances 1,464,027 1,159,829 945,637
Sociedad Minera Cerro Verde S.A.A. | Stripping activity asset [Member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 791,571 678,041  
Additions 134,186 113,530  
Disposals 0 0  
Property, plant, equipment and development cost 925,757 791,571 678,041
Final balances 925,757 791,571 678,041
Sociedad Minera Cerro Verde S.A.A. | Right-of-use assets [member] | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 98,900 96,451  
Additions 4,941 4,099  
Disposals (3,137) (1,650)  
Property, plant, equipment and development cost 97,356 98,900 96,451
Final balances 97,356 98,900 96,451
Sociedad Minera Cerro Verde S.A.A. | Right-of-use assets [member] | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 30,408 19,589  
Additions 12,708 12,459  
Disposals (3,124) (1,640)  
Property, plant, equipment and development cost 39,851 30,408 19,589
Final balances 39,851 30,408 19,589
Sociedad Minera Cerro Verde S.A.A. | Other equipment | Gross carrying amount [Member]      
Property, plant, equipment and development costs      
Opening balance 35,395 30,965  
Additions 0 0  
Disposals (58) (92)  
Property, plant, equipment and development cost 36,222 35,395 30,965
Final balances 36,222 35,395 30,965
Sociedad Minera Cerro Verde S.A.A. | Other equipment | Accumulated depreciation, amortisation and impairment [member]      
Property, plant, equipment and development costs      
Opening balance 24,090 21,240  
Additions 3,136 2,942  
Disposals (58) (92)  
Property, plant, equipment and development cost 27,168 24,090 21,240
Final balances $ 27,168 $ 24,090 $ 21,240