v3.25.1
Disclosure of information on segments (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Operating income      
Sales of goods $ 1,147,590,000 $ 810,961,000 $ 801,199,000
Sale of services 7,015,000 12,884,000 22,222,000
Royalty income 0 0 1,381,000
Total operating income 1,154,605,000 823,845,000 824,802,000
Operating costs      
Cost of sales, excluding depreciation and amortization (568,482,000) (457,354,000) (461,942,000)
Unabsorbed cost due to production stoppage (2,135,000) (19,893,000) (23,058,000)
Cost of sales of services, excluding depreciation and amortization 3,050,000 (6,243,000) 3,163,000
Exploration in operating units (50,884,000) (49,229,000) (80,796,000)
Depreciation and amortization (150,821,000) (181,039,000) (176,781,000)
Mining royalties (19,946,000) (18,839,000) (17,733,000)
Total operating costs (795,318,000) (732,597,000) (763,473,000)
Gross profit (loss) 359,287,000 91,248,000 61,329,000
Operating expenses, net      
Administrative expenses (61,340,000) (69,183,000) (67,728,000)
Selling expenses (25,768,000) (19,392,000) (20,222,000)
Exploration in non-operating areas (21,860,000) (13,452,000) (14,252,000)
Reversal (provision) of contingencies and others (596,000) 6,927,000 (2,935,000)
Impairment recovery of long-lived assets     19,874,000
Other, net 195,932,000 24,973,000 (15,085,000)
Total operating income (expenses) 86,368,000 (70,127,000) (100,348,000)
Operating Profit (loss) 445,655,000 21,121,000 (39,019,000)
Other income (expense),net      
Share in the results of associates and joint ventures 189,847,000 152,225,000 176,270,000
Foreign currency exchange difference (9,184,000) 19,375,000 26,871,000
Finance income 12,528,000 9,057,000 14,443,000
Finance costs (65,397,000) (119,254,000) (54,136,000)
Profit (loss) before income tax 573,449,000 82,524,000 124,429,000
Income tax expense (156,164,000) (42,994,000) (41,000)
Current income tax (103,116,000) (69,306,000) (15,633,000)
Deferred Income tax (53,048,000) 26,312,000 15,592,000
Profit (loss) from continued operations 417,285,000 39,530,000 124,388,000
(Loss) profit from discontinued operations (1,022,000) (6,848,000) 478,547,000
Profit for the year 416,263,000 32,682,000 602,935,000
Total assets 5,047,903,000 4,533,799,000 4,503,227,000
Total liability 1,488,202,000 1,364,588,000 1,340,286,000
Other segment information      
Investments in associates 1,548,392,000 1,527,123,000 1,520,977,000
Additions of property, plant and equipment 378,238,000    
Acquisition of long-lived assets   238,669,000 151,973,000
Changes in estimates of mine closures plans 73,090,000 11,879,000 (21,869,000)
Uchucchacua / Yumpag      
Operating income      
Sales of goods 326,390,000    
Sale of services 0    
Total operating income 326,390,000    
Operating costs      
Cost of sales, excluding depreciation and amortization (127,900,000)    
Unabsorbed cost due to production stoppage 0    
Cost of sales of services, excluding depreciation and amortization 0    
Exploration in operating units (16,070,000)    
Depreciation and amortization (19,596,000)    
Mining royalties (1,237,000)    
Total operating costs (164,803,000)    
Gross profit (loss) 161,587,000    
Operating expenses, net      
Administrative expenses (16,713,000)    
Selling expenses (7,346,000)    
Exploration in non-operating areas (1,871,000)    
Reversal (provision) of contingencies and others 245,000    
Other, net (6,750,000)    
Total operating income (expenses) (32,435,000)    
Operating Profit (loss) 129,152,000    
Other income (expense),net      
Share in the results of associates and joint ventures 0    
Foreign currency exchange difference 5,000    
Finance income (738,000)    
Finance costs 827,000    
Profit (loss) before income tax 129,246,000    
Income tax expense (4,473,000)    
Current income tax (4,473,000)    
Deferred Income tax 0    
Profit (loss) from continued operations 124,773,000    
(Loss) profit from discontinued operations 0    
Total assets 258,017,000    
Total liability 74,313,000    
Other segment information      
Investments in associates 0    
Additions of property, plant and equipment 29,727,000    
Changes in estimates of mine closures plans 2,923,000    
Uchucchacua      
Operating income      
Sales of goods   51,698,000 5,281,000
Sale of services   0 0
Royalty income     0
Total operating income   51,698,000 5,281,000
Operating costs      
Cost of sales, excluding depreciation and amortization   (15,544,000) 0
Unabsorbed cost due to production stoppage   (18,695,000) (24,916,000)
Cost of sales of services, excluding depreciation and amortization   0 0
Exploration in operating units   (24,428,000) (32,592,000)
Depreciation and amortization   (6,279,000) (9,000,000)
Mining royalties   (268,000) (46,000)
Total operating costs   (65,214,000) (66,554,000)
Gross profit (loss)   (13,516,000) (61,273,000)
Operating expenses, net      
Administrative expenses   (4,512,000) (651,000)
Selling expenses   (3,343,000) (3,634,000)
Exploration in non-operating areas   (476,000) (15,000)
Reversal (provision) of contingencies and others   1,122,000 (44,000)
Impairment recovery of long-lived assets     0
Other, net   (2,435,000) 2,453,000
Total operating income (expenses)   (9,644,000) (1,891,000)
Operating Profit (loss)   (23,160,000) (63,164,000)
Other income (expense),net      
Share in the results of associates and joint ventures   0 0
Foreign currency exchange difference   112,000 (290,000)
Finance income   28,000 12,000
Finance costs   (917,000) (496,000)
Profit (loss) before income tax   (23,937,000) (63,938,000)
Income tax expense   (538,000) (19,000)
Current income tax   (538,000) (19,000)
Deferred Income tax   0 0
Profit (loss) from continued operations   (24,475,000) (63,957,000)
(Loss) profit from discontinued operations   0  
Total assets   222,041,000 127,479,000
Total liability   62,003,000 55,792,000
Other segment information      
Investments in associates   0 0
Acquisition of long-lived assets   14,353,000 32,000,000
Changes in estimates of mine closures plans   2,094,000 (3,107,000)
Orcopampa      
Operating income      
Sales of goods 169,527,000 163,308,000 134,268,000
Sale of services 0 0 0
Royalty income     0
Total operating income 169,527,000 163,308,000 134,268,000
Operating costs      
Cost of sales, excluding depreciation and amortization (81,068,000) (73,774,000) (58,108,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (7,460,000) (6,071,000) (11,594,000)
Depreciation and amortization (12,459,000) (12,625,000) (7,757,000)
Mining royalties (15,836,000) (14,307,000) (12,220,000)
Total operating costs (116,823,000) (106,777,000) (89,679,000)
Gross profit (loss) 52,704,000 56,531,000 44,589,000
Operating expenses, net      
Administrative expenses (8,442,000) (15,975,000) (12,406,000)
Selling expenses (630,000) (671,000) (560,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 409,000 (183,000) 544,000
Impairment recovery of long-lived assets     0
Other, net 277,000 (899,000) 124,000
Total operating income (expenses) (8,386,000) (17,728,000) (12,298,000)
Operating Profit (loss) 44,318,000 38,803,000 32,291,000
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 1,000 76,000 99,000
Finance income (1,785,000) 4,000 2,000
Finance costs 622,000 (1,791,000) (546,000)
Profit (loss) before income tax 43,156,000 37,092,000 31,846,000
Income tax expense (2,189,000) (678,000) (465,000)
Current income tax (2,189,000) (678,000) (465,000)
Deferred Income tax 0 0 0
Profit (loss) from continued operations 40,967,000 36,414,000 31,381,000
(Loss) profit from discontinued operations 0 0  
Total assets 39,093,000 49,707,000 62,083,000
Total liability 60,823,000 56,185,000 52,429,000
Other segment information      
Investments in associates 0 0 0
Additions of property, plant and equipment 2,427,000    
Acquisition of long-lived assets   3,624,000 3,584,000
Changes in estimates of mine closures plans 987,000 (123,000) 5,112,000
Julcani      
Operating income      
Sales of goods 47,658,000 37,179,000 54,573,000
Sale of services 0 0 0
Royalty income     0
Total operating income 47,658,000 37,179,000 54,573,000
Operating costs      
Cost of sales, excluding depreciation and amortization (35,118,000) (32,213,000) (30,215,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (11,691,000) (6,990,000) (6,747,000)
Depreciation and amortization (5,765,000) (6,693,000) (6,444,000)
Mining royalties (190,000) (367,000) (472,000)
Total operating costs (52,764,000) (46,263,000) (43,878,000)
Gross profit (loss) (5,106,000) (9,084,000) 10,695,000
Operating expenses, net      
Administrative expenses (2,406,000) (3,993,000) (5,028,000)
Selling expenses (942,000) (239,000) (389,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others (38,000) 1,409,000 (1,776,000)
Impairment recovery of long-lived assets     0
Other, net (411,000) (1,074,000) (793,000)
Total operating income (expenses) (3,797,000) (3,897,000) (7,986,000)
Operating Profit (loss) (8,903,000) (12,981,000) 2,709,000
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 2,000 77,000 100,000
Finance income (353,000) 0 4,000
Finance costs 462,000 (1,103,000) (382,000)
Profit (loss) before income tax (8,792,000) (14,007,000) 2,431,000
Income tax expense (636,000) (134,000) (175,000)
Current income tax (636,000) (134,000) (175,000)
Deferred Income tax 0 0 0
Profit (loss) from continued operations (9,428,000) (14,141,000) 2,256,000
(Loss) profit from discontinued operations 0 0  
Total assets 28,822,000 31,371,000 34,131,000
Total liability 33,914,000 33,413,000 31,388,000
Other segment information      
Investments in associates 0 0 0
Additions of property, plant and equipment 1,874,000    
Acquisition of long-lived assets   828,000 1,559,000
Changes in estimates of mine closures plans 1,032,000 6,312,000 3,585,000
Colquijirca      
Operating income      
Sales of goods 437,897,000 432,616,000 400,994,000
Sale of services 0 0 0
Royalty income     0
Total operating income 437,897,000 432,616,000 400,994,000
Operating costs      
Cost of sales, excluding depreciation and amortization (245,156,000) (248,972,000) (267,997,000)
Unabsorbed cost due to production stoppage (2,135,000) 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (9,445,000) (7,761,000) (16,671,000)
Depreciation and amortization (62,085,000) (87,216,000) (72,171,000)
Mining royalties (2,179,000) (2,670,000) (3,168,000)
Total operating costs (321,000,000) (346,619,000) (360,007,000)
Gross profit (loss) 116,897,000 85,997,000 40,987,000
Operating expenses, net      
Administrative expenses (8,457,000) (9,781,000) (8,744,000)
Selling expenses (12,503,000) (11,457,000) (9,649,000)
Exploration in non-operating areas (9,391,000) (4,095,000) (4,008,000)
Reversal (provision) of contingencies and others (1,656,000) 1,063,000 (1,706,000)
Impairment recovery of long-lived assets     0
Other, net (13,610,000) (10,511,000) (7,777,000)
Total operating income (expenses) (45,617,000) (34,781,000) (31,884,000)
Operating Profit (loss) 71,280,000 51,216,000 9,103,000
Other income (expense),net      
Share in the results of associates and joint ventures 127,000 (158,000) (10,000)
Foreign currency exchange difference 4,714,000 381,000 526,000
Finance income (6,715,000) 2,866,000 879,000
Finance costs (133,000) (7,397,000) (6,470,000)
Profit (loss) before income tax 69,273,000 46,908,000 4,028,000
Income tax expense (33,940,000) (15,453,000) (3,666,000)
Current income tax (18,147,000) (17,861,000) (6,125,000)
Deferred Income tax (15,793,000) 2,408,000 2,459,000
Profit (loss) from continued operations 35,333,000 31,455,000 362,000
(Loss) profit from discontinued operations 0 0  
Total assets 683,780,000 683,311,000 668,230,000
Total liability 479,355,000 284,819,000 290,998,000
Other segment information      
Investments in associates 285,443,000 272,663,000 257,616,000
Additions of property, plant and equipment 24,916,000    
Acquisition of long-lived assets   61,772,000 62,593,000
Changes in estimates of mine closures plans 57,205,000 3,061,000 (11,322,000)
La Zanja      
Operating income      
Sales of goods 38,657,000 16,472,000 52,260,000
Sale of services 0 0 0
Royalty income     0
Total operating income 38,657,000 16,472,000 52,260,000
Operating costs      
Cost of sales, excluding depreciation and amortization (23,417,000) (29,008,000) (49,903,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (320,000) (537,000) (3,212,000)
Depreciation and amortization (4,492,000) (3,855,000) (7,459,000)
Mining royalties (168,000) (181,000) (506,000)
Total operating costs (28,397,000) (33,581,000) (61,080,000)
Gross profit (loss) 10,260,000 (17,109,000) (8,820,000)
Operating expenses, net      
Administrative expenses (1,630,000) (2,413,000) (3,061,000)
Selling expenses (97,000) (61,000) (179,000)
Exploration in non-operating areas (4,007,000) (3,958,000) (5,243,000)
Reversal (provision) of contingencies and others 541,000 2,085,000 (353,000)
Impairment recovery of long-lived assets     0
Other, net (1,323,000) 7,246,000 (7,374,000)
Total operating income (expenses) (6,516,000) 2,899,000 (16,210,000)
Operating Profit (loss) 3,744,000 (14,210,000) (25,030,000)
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 211,000 92,000 336,000
Finance income (2,499,000) 838,000 614,000
Finance costs (276,000) (2,996,000) (1,318,000)
Profit (loss) before income tax 1,180,000 (16,276,000) (25,398,000)
Income tax expense (675,000) 579,000 (16,132,000)
Current income tax (637,000) 579,000 (187,000)
Deferred Income tax (38,000) 0 (15,945,000)
Profit (loss) from continued operations 505,000 (15,697,000) (41,530,000)
(Loss) profit from discontinued operations 0 0  
Total assets 42,203,000 44,341,000 79,038,000
Total liability 64,786,000 61,656,000 80,655,000
Other segment information      
Investments in associates 0 0 0
Additions of property, plant and equipment 98,000    
Acquisition of long-lived assets   2,827,000 1,719,000
Changes in estimates of mine closures plans 5,999,000 (922,000) (8,705,000)
Tambomayo      
Operating income      
Sales of goods 122,403,000 108,063,000 151,789,000
Sale of services 0 0 0
Royalty income     0
Total operating income 122,403,000 108,063,000 151,789,000
Operating costs      
Cost of sales, excluding depreciation and amortization (76,825,000) (70,260,000) (76,214,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (5,223,000) (3,442,000) (9,980,000)
Depreciation and amortization (42,472,000) (49,863,000) (59,125,000)
Mining royalties (503,000) (1,047,000) (1,322,000)
Total operating costs (125,023,000) (124,612,000) (146,641,000)
Gross profit (loss) (2,620,000) (16,549,000) 5,148,000
Operating expenses, net      
Administrative expenses (6,242,000) (11,183,000) (14,076,000)
Selling expenses (2,923,000) (2,758,000) (5,126,000)
Exploration in non-operating areas (414,000) 0 0
Reversal (provision) of contingencies and others 506,000 (1,184,000) (228,000)
Impairment recovery of long-lived assets     0
Other, net (1,738,000) 99,000 (815,000)
Total operating income (expenses) (10,811,000) (15,026,000) (20,245,000)
Operating Profit (loss) (13,431,000) (31,575,000) (15,097,000)
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 2,000 143,000 (11,000)
Finance income (309,000) 8,000 4,000
Finance costs (140,000) (805,000) (302,000)
Profit (loss) before income tax (13,878,000) (32,229,000) (15,406,000)
Income tax expense (1,593,000) 0 (527,000)
Current income tax (1,593,000) 0 (527,000)
Deferred Income tax 0 0 0
Profit (loss) from continued operations (15,471,000) (32,229,000) (15,933,000)
(Loss) profit from discontinued operations 0 0  
Total assets 106,634,000 143,451,000 197,550,000
Total liability 39,046,000 30,915,000 29,654,000
Other segment information      
Investments in associates 0 0 0
Additions of property, plant and equipment 1,444,000    
Acquisition of long-lived assets   333,000 3,175,000
Changes in estimates of mine closures plans 2,272,000 53,000 (856,000)
Operating segments      
Operating income      
Sales of goods 5,543,970,000 5,107,737,000 4,986,536,000
Sale of services 69,532,000 63,073,000 70,061,000
Royalty income     1,381,000
Total operating income 5,613,502,000 5,170,810,000 5,057,978,000
Operating costs      
Cost of sales, excluding depreciation and amortization (2,715,412,000) (2,714,235,000) (3,016,839,000)
Unabsorbed cost due to production stoppage (2,135,000) (22,622,000) (26,889,000)
Cost of sales of services, excluding depreciation and amortization 35,225,000 (36,464,000) 24,861,000
Exploration in operating units (59,736,000) (69,841,000) (89,763,000)
Depreciation and amortization (752,694,000) (626,242,000) (220,342,000)
Mining royalties (20,760,000) (19,526,000) (19,234,000)
Total operating costs (3,585,962,000) (3,488,930,000) (3,397,928,000)
Gross profit (loss) 2,027,540,000 1,681,880,000 1,660,050,000
Operating expenses, net      
Administrative expenses (70,098,000) (73,652,000) (76,901,000)
Selling expenses (172,260,000) (178,459,000) (178,875,000)
Exploration in non-operating areas (21,940,000) (13,506,000) (14,285,000)
Reversal (provision) of contingencies and others (476,000) 6,926,000 (3,477,000)
Impairment recovery of long-lived assets     19,874,000
Other, net 167,258,000 (64,900,000) (39,004,000)
Total operating income (expenses) (97,516,000) (323,591,000) (292,668,000)
Operating Profit (loss) 1,930,024,000 1,358,289,000 1,367,382,000
Other income (expense),net      
Share in the results of associates and joint ventures 358,008,000 175,692,000 176,577,000
Foreign currency exchange difference 61,964,000 40,622,000 27,802,000
Finance income (78,471,000) 51,828,000 28,788,000
Finance costs (9,918,000) (191,256,000) (61,926,000)
Profit (loss) before income tax 2,261,607,000 1,435,175,000 1,538,623,000
Income tax expense (721,048,000) (592,897,000) (501,504,000)
Current income tax (664,916,000) (653,477,000) (462,118,000)
Deferred Income tax (56,132,000) 60,580,000 (39,386,000)
Profit (loss) from continued operations 1,540,559,000 842,278,000 1,037,119,000
(Loss) profit from discontinued operations 0 0  
Total assets 13,512,884,000 13,843,508,000 13,836,447,000
Total liability 2,683,394,000 2,786,627,000 2,824,648,000
Other segment information      
Investments in associates 2,184,794,000 2,116,280,000 2,099,568,000
Additions of property, plant and equipment 378,238,000    
Acquisition of long-lived assets   250,087,000 153,369,000
Changes in estimates of mine closures plans 73,090,000 11,879,000 (21,869,000)
Adjustments and eliminations      
Operating income      
Sales of goods (4,396,380,000) (4,296,776,000) (4,185,337,000)
Sale of services (62,517,000) (50,189,000) (47,839,000)
Royalty income     0
Total operating income (4,458,897,000) (4,346,965,000) (4,233,176,000)
Operating costs      
Cost of sales, excluding depreciation and amortization 2,146,930,000 2,256,881,000 2,554,897,000
Unabsorbed cost due to production stoppage 0 2,729,000 3,831,000
Cost of sales of services, excluding depreciation and amortization (32,175,000) 30,221,000 (21,698,000)
Exploration in operating units 8,852,000 20,612,000 8,967,000
Depreciation and amortization 601,873,000 445,203,000 43,561,000
Mining royalties 814,000 1,501,000 1,501,000
Total operating costs 2,790,644,000 2,756,333,000 2,634,455,000
Gross profit (loss) (1,668,253,000) (1,590,632,000) (1,598,721,000)
Operating expenses, net      
Administrative expenses 8,758,000 4,469,000 9,173,000
Selling expenses 146,492,000 159,067,000 158,653,000
Exploration in non-operating areas 80,000 54,000 33,000
Reversal (provision) of contingencies and others (120,000) 1,000 542,000
Impairment recovery of long-lived assets     0
Other, net 28,674,000 89,873,000 23,919,000
Total operating income (expenses) 183,884,000 253,464,000 192,320,000
Operating Profit (loss) (1,484,369,000) (1,337,168,000) (1,406,401,000)
Other income (expense),net      
Share in the results of associates and joint ventures (168,161,000) (23,467,000) (307,000)
Foreign currency exchange difference (71,148,000) (21,247,000) (931,000)
Finance income 90,999,000 (42,771,000) (14,345,000)
Finance costs (55,479,000) 72,002,000 7,790,000
Profit (loss) before income tax (1,688,158,000) (1,352,651,000) (1,414,194,000)
Income tax expense 564,884,000 549,903,000 501,463,000
Current income tax 561,800,000 584,171,000 446,485,000
Deferred Income tax 3,084,000 (34,268,000) 54,978,000
Profit (loss) from continued operations (1,123,274,000) (802,748,000) (912,731,000)
(Loss) profit from discontinued operations 0 0  
Total assets (8,464,981,000) (9,309,709,000) (9,333,220,000)
Total liability (1,195,192,000) (1,422,039,000) (1,484,362,000)
Other segment information      
Investments in associates (636,402,000) (589,157,000) (578,591,000)
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   (11,418,000) (1,396,000)
Changes in estimates of mine closures plans 0 0 0
Construction, development and exploration mining projects      
Operating income      
Sales of goods 0 0 0
Sale of services 0 0 0
Royalty income     0
Total operating income 0 0 0
Operating costs      
Cost of sales, excluding depreciation and amortization 86,000 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 0 0
Depreciation and amortization (86,000) 0 0
Mining royalties 0 0 0
Total operating costs 0 0 0
Gross profit (loss) 0 0 0
Operating expenses, net      
Administrative expenses (1,538,000) (1,682,000) (1,528,000)
Selling expenses 0 0 0
Exploration in non-operating areas (1,090,000) (1,149,000) (282,000)
Reversal (provision) of contingencies and others 41,000 (194,000) 108,000
Impairment recovery of long-lived assets     0
Other, net 2,305,000 (3,750,000) (931,000)
Total operating income (expenses) (282,000) (6,775,000) (2,633,000)
Operating Profit (loss) (282,000) (6,775,000) (2,633,000)
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 3,000 307,000 604,000
Finance income (237,000) 13,000 11,000
Finance costs 41,000 (517,000) (297,000)
Profit (loss) before income tax (475,000) (6,972,000) (2,315,000)
Income tax expense 0 0 0
Current income tax 0 0 0
Deferred Income tax 0 0 0
Profit (loss) from continued operations (475,000) (6,972,000) (2,315,000)
(Loss) profit from discontinued operations 0 0  
Total assets 1,018,559,000 694,950,000 496,198,000
Total liability 295,453,000 59,476,000 21,844,000
Other segment information      
Investments in associates 160,203,000 131,392,000 109,112,000
Additions of property, plant and equipment 291,101,000    
Acquisition of long-lived assets   150,198,000 46,459,000
Changes in estimates of mine closures plans 2,672,000 0 (6,576,000)
Energy generation and transmission      
Operating income      
Sales of goods 0 0 0
Sale of services 50,003,000 53,025,000 52,433,000
Royalty income     0
Total operating income 50,003,000 53,025,000 52,433,000
Operating costs      
Cost of sales, excluding depreciation and amortization 0 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 23,512,000 (34,852,000) 24,861,000
Exploration in operating units 0 0 0
Depreciation and amortization (7,774,000) (9,037,000) (9,040,000)
Mining royalties 0 0 0
Total operating costs (31,286,000) (43,889,000) (33,901,000)
Gross profit (loss) 18,717,000 9,136,000 18,532,000
Operating expenses, net      
Administrative expenses (2,202,000) (2,377,000) (2,948,000)
Selling expenses (706,000) (748,000) (770,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others (102,000) 83,000 (440,000)
Impairment recovery of long-lived assets     0
Other, net (776,000) 56,000 (196,000)
Total operating income (expenses) (3,786,000) (2,986,000) (4,354,000)
Operating Profit (loss) 14,931,000 6,150,000 14,178,000
Other income (expense),net      
Share in the results of associates and joint ventures 7,088,000 1,962,000 7,008,000
Foreign currency exchange difference 1,099,000 24,000 (207,000)
Finance income (3,860,000) 1,142,000 394,000
Finance costs (19,000) (4,178,000) (5,337,000)
Profit (loss) before income tax 19,239,000 5,100,000 16,036,000
Income tax expense (5,091,000) (501,000) (2,433,000)
Current income tax (3,110,000) (1,912,000) (3,238,000)
Deferred Income tax (1,981,000) 1,411,000 805,000
Profit (loss) from continued operations 14,148,000 4,599,000 13,603,000
(Loss) profit from discontinued operations 0 0  
Total assets 240,566,000 367,130,000 377,679,000
Total liability 225,823,000 116,398,000 131,540,000
Other segment information      
Investments in associates 128,076,000 119,865,000 118,613,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   1,168,000 1,487,000
Changes in estimates of mine closures plans 0 0 0
Insurance brokerage      
Operating income      
Sales of goods   0 0
Sale of services   8,099,000 17,207,000
Royalty income     0
Total operating income   8,099,000 17,207,000
Operating costs      
Cost of sales, excluding depreciation and amortization   0 0
Unabsorbed cost due to production stoppage   0 0
Cost of sales of services, excluding depreciation and amortization   0 0
Exploration in operating units   0 0
Depreciation and amortization   0 0
Mining royalties   0 0
Total operating costs   0 0
Gross profit (loss)   8,099,000 17,207,000
Operating expenses, net      
Administrative expenses   (11,440,000) (12,694,000)
Selling expenses   0 0
Exploration in non-operating areas   0 0
Reversal (provision) of contingencies and others   0 0
Impairment recovery of long-lived assets     0
Other, net   0 0
Total operating income (expenses)   (11,440,000) (12,694,000)
Operating Profit (loss)   (3,341,000) 4,513,000
Other income (expense),net      
Share in the results of associates and joint ventures   0 0
Foreign currency exchange difference   0 (45,000)
Finance income   5,000 0
Finance costs   (27,000) (48,000)
Profit (loss) before income tax   (3,363,000) 4,420,000
Income tax expense   970,000 (1,186,000)
Current income tax   (8,000) (1,197,000)
Deferred Income tax   978,000 11,000
Profit (loss) from continued operations   (2,393,000) 3,234,000
(Loss) profit from discontinued operations   0  
Total assets   0 14,436,000
Total liability   0 6,107,000
Other segment information      
Investments in associates   0 8,329,000
Acquisition of long-lived assets   0 25,000
Changes in estimates of mine closures plans   0 0
Rental of mining concessions      
Operating income      
Sales of goods 0 0 0
Sale of services 0 0 0
Royalty income     1,381,000
Total operating income 0 0 1,381,000
Operating costs      
Cost of sales, excluding depreciation and amortization 0 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 0 0
Depreciation and amortization 0 0 0
Mining royalties 0 0 0
Total operating costs 0 0 0
Gross profit (loss) 0 0 1,381,000
Operating expenses, net      
Administrative expenses (58,000) (186,000) (218,000)
Selling expenses 0 0 0
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 0 0 (98,000)
Impairment recovery of long-lived assets     0
Other, net 7,159,000 8,551,000 8,162,000
Total operating income (expenses) 7,101,000 8,365,000 7,846,000
Operating Profit (loss) 7,101,000 8,365,000 9,227,000
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 48,000 10,000 1,000
Finance income (1,000) 56,000 5,000
Finance costs 91,000 (1,000) (2,000)
Profit (loss) before income tax 7,239,000 8,430,000 9,231,000
Income tax expense (2,125,000) (2,529,000) (2,714,000)
Current income tax (2,125,000) (2,529,000) (2,714,000)
Deferred Income tax 0 0 0
Profit (loss) from continued operations 5,114,000 5,901,000 6,517,000
(Loss) profit from discontinued operations 0 0  
Total assets 1,394,000 4,854,000 3,306,000
Total liability (8,765,000) 90,000 139,000
Other segment information      
Investments in associates 0 1,589,000 1,056,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   0 0
Changes in estimates of mine closures plans 0 0 0
Holding of investment shares      
Operating income      
Sales of goods 0 0 0
Sale of services 474,000 441,000 421,000
Royalty income     0
Total operating income 474,000 441,000 421,000
Operating costs      
Cost of sales, excluding depreciation and amortization 0 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 0 0
Depreciation and amortization 0 0 0
Mining royalties 0 0 0
Total operating costs 0 0 0
Gross profit (loss) 474,000 441,000 421,000
Operating expenses, net      
Administrative expenses (369,000) (365,000) (617,000)
Selling expenses 0 0 0
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 0 127,000 0
Impairment recovery of long-lived assets     0
Other, net 139,431,000 349,000 (2,472,000)
Total operating income (expenses) 139,062,000 111,000 (3,089,000)
Operating Profit (loss) 139,536,000 552,000 (2,668,000)
Other income (expense),net      
Share in the results of associates and joint ventures 23,440,000 21,517,000 4,756,000
Foreign currency exchange difference 525,000 343,000 (693,000)
Finance income (15,000) 328,000 308,000
Finance costs (17,000) (2,000) (29,000)
Profit (loss) before income tax 163,469,000 22,738,000 1,674,000
Income tax expense (43,182,000) (76,000) 1,182,000
Current income tax (43,182,000) (76,000) 1,289,000
Deferred Income tax 0 0 (107,000)
Profit (loss) from continued operations 120,287,000 22,662,000 2,856,000
(Loss) profit from discontinued operations 0 0  
Total assets 33,858,000 232,177,000 231,820,000
Total liability (108,872,000) 402,000 226,000
Other segment information      
Investments in associates 0 5,402,000 19,590,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   0 3,000
Changes in estimates of mine closures plans 0 0 0
Industrial activities      
Operating income      
Sales of goods 43,589,000 18,224,000 53,073,000
Sale of services 19,055,000 1,508,000 0
Royalty income     0
Total operating income 62,644,000 19,732,000 53,073,000
Operating costs      
Cost of sales, excluding depreciation and amortization (37,427,000) (17,783,000) (52,122,000)
Unabsorbed cost due to production stoppage 0 (3,927,000) (1,973,000)
Cost of sales of services, excluding depreciation and amortization 11,713,000 (1,612,000) 0
Exploration in operating units 0 0 0
Depreciation and amortization (4,904,000) (6,082,000) (6,396,000)
Mining royalties 0 0 0
Total operating costs (54,044,000) (29,404,000) (60,491,000)
Gross profit (loss) 8,600,000 (9,672,000) (7,418,000)
Operating expenses, net      
Administrative expenses (956,000) (536,000) (442,000)
Selling expenses (622,000) (115,000) (177,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 0 200,000 0
Impairment recovery of long-lived assets     19,874,000
Other, net 352,000 (272,000) 321,000
Total operating income (expenses) (1,226,000) (723,000) 19,576,000
Operating Profit (loss) 7,374,000 (10,395,000) 12,158,000
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 195,000 301,000 1,218,000
Finance income (6,000) 308,000 54,000
Finance costs (170,000) (6,000) (25,000)
Profit (loss) before income tax 7,393,000 (9,792,000) 13,405,000
Income tax expense (2,518,000) 3,815,000 3,208,000
Current income tax (716,000) 0 0
Deferred Income tax (1,802,000) 3,815,000 3,208,000
Profit (loss) from continued operations 4,875,000 (5,977,000) 16,613,000
(Loss) profit from discontinued operations 0 0  
Total assets 79,127,000 65,318,000 74,266,000
Total liability 82,058,000 5,346,000 7,981,000
Other segment information      
Investments in associates 64,690,000 59,815,000 66,087,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   157,000 265,000
Changes in estimates of mine closures plans 0 0 0
Other segments      
Operating income      
Sales of goods 0 0 0
Sale of services 0 0 0
Royalty income     0
Total operating income 0 0 0
Operating costs      
Cost of sales, excluding depreciation and amortization 33,000 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 0 0
Depreciation and amortization 0 0 0
Mining royalties 0 0 0
Total operating costs 33,000 0 0
Gross profit (loss) 33,000 0 0
Operating expenses, net      
Administrative expenses (12,325,000) (5,140,000) (5,966,000)
Selling expenses 0 0 0
Exploration in non-operating areas (5,167,000) (3,828,000) (4,737,000)
Reversal (provision) of contingencies and others (543,000) 2,398,000 442,000
Impairment recovery of long-lived assets     0
Other, net 65,932,000 18,437,000 (6,090,000)
Total operating income (expenses) 47,897,000 11,867,000 (16,351,000)
Operating Profit (loss) 47,930,000 11,867,000 (16,351,000)
Other income (expense),net      
Share in the results of associates and joint ventures 327,353,000 152,371,000 164,823,000
Foreign currency exchange difference 5,723,000 17,507,000 25,235,000
Finance income (48,877,000) 3,572,000 12,226,000
Finance costs (10,472,000) (98,961,000) (38,900,000)
Profit (loss) before income tax 321,657,000 86,356,000 147,033,000
Income tax expense (58,653,000) (26,273,000) 24,397,000
Current income tax (25,219,000) (45,126,000) (731,000)
Deferred Income tax (33,434,000) 18,853,000 25,128,000
Profit (loss) from continued operations 263,004,000 60,083,000 171,430,000
(Loss) profit from discontinued operations 0 0  
Total assets 2,509,638,000 2,917,237,000 3,047,322,000
Total liability 65,274,000 695,958,000 655,598,000
Other segment information      
Investments in associates 1,007,000 1,223,000 1,839,000
Additions of property, plant and equipment 26,651,000    
Acquisition of long-lived assets   5,898,000 500,000
Changes in estimates of mine closures plans 0 0 0
Sociedad Minera Cerro Verde S.A.A.      
Operating income      
Sales of goods 4,238,322,000 4,143,228,000 3,975,295,000
Sale of services 0 0 0
Royalty income     0
Total operating income 4,238,322,000 4,143,228,000 3,975,295,000
Operating costs      
Cost of sales, excluding depreciation and amortization (2,014,585,000) (2,142,799,000) (2,367,767,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 (9,177,000) 0
Depreciation and amortization (574,194,000) (409,847,000) 0
Mining royalties 0 0 (5,889,000)
Total operating costs (2,588,779,000) (2,561,823,000) (2,367,767,000)
Gross profit (loss) 1,649,543,000 1,581,405,000 1,607,528,000
Operating expenses, net      
Administrative expenses 0 0 0
Selling expenses (145,771,000) (158,244,000) (157,373,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 0 0 0
Impairment recovery of long-lived assets     0
Other, net (23,688,000) (82,042,000) (23,933,000)
Total operating income (expenses) (169,459,000) (240,286,000) (181,306,000)
Operating Profit (loss) 1,480,084,000 1,341,119,000 1,426,222,000
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 40,623,000 2,820,000 980,000
Finance income (9,552,000) 36,285,000 12,314,000
Finance costs 0 (31,500,000) (5,616,000)
Profit (loss) before income tax 1,511,155,000 1,330,762,000 1,433,900,000
Income tax expense (557,978,000) (551,798,000) (508,547,000)
Current income tax (557,978,000) (582,438,000) (445,078,000)
Deferred Income tax 0 30,640,000 (63,469,000)
Profit (loss) from continued operations 953,177,000 778,964,000 925,353,000
(Loss) profit from discontinued operations 0 0  
Total assets 8,034,461,000 7,930,910,000 7,993,863,000
Total liability 1,250,976,000 1,250,536,000 1,342,436,000
Other segment information      
Investments in associates 1,436,122,000 1,416,051,000 1,408,260,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   0 0
Changes in estimates of mine closures plans 0 0 0
Compania Minera Coimolache S.A.      
Operating income      
Sales of goods 119,527,000 136,949,000 159,003,000
Sale of services 0 0 0
Royalty income     0
Total operating income 119,527,000 136,949,000 159,003,000
Operating costs      
Cost of sales, excluding depreciation and amortization (74,035,000) (83,882,000) (114,513,000)
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units (9,527,000) (11,435,000) (8,967,000)
Depreciation and amortization (18,867,000) (34,745,000) (42,950,000)
Mining royalties (647,000) (686,000) (1,500,000)
Total operating costs (103,076,000) (130,748,000) (167,930,000)
Gross profit (loss) 16,451,000 6,201,000 (8,927,000)
Operating expenses, net      
Administrative expenses (3,397,000) (3,772,000) (4,139,000)
Selling expenses (720,000) (823,000) (1,018,000)
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 121,000 0 74,000
Impairment recovery of long-lived assets     0
Other, net 98,000 1,345,000 317,000
Total operating income (expenses) (3,898,000) (3,250,000) (4,766,000)
Operating Profit (loss) 12,553,000 2,951,000 (13,693,000)
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 8,813,000 647,000 (51,000)
Finance income (3,524,000) 6,298,000 1,961,000
Finance costs (734,000) (5,437,000) (2,158,000)
Profit (loss) before income tax 17,108,000 4,459,000 (13,941,000)
Income tax expense (7,995,000) (281,000) 5,573,000
Current income tax (4,911,000) (2,756,000) (2,951,000)
Deferred Income tax (3,084,000) 2,475,000 8,524,000
Profit (loss) from continued operations 9,113,000 4,178,000 (8,368,000)
(Loss) profit from discontinued operations 0 0  
Profit for the year 9,975,000 2,673,000 (6,218,000)
Total assets 384,635,000 380,331,000 365,585,000
Total liability 128,887,000 128,955,000 117,388,000
Other segment information      
Investments in associates 100,637,000 99,059,000 98,388,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   8,929,000 0
Changes in estimates of mine closures plans 0 1,404,000 0
Tinka Resources Ltd.      
Operating income      
Sales of goods 0 0 0
Sale of services 0 0 0
Royalty income     0
Total operating income 0 0 0
Operating costs      
Cost of sales, excluding depreciation and amortization 0 0 0
Unabsorbed cost due to production stoppage 0 0 0
Cost of sales of services, excluding depreciation and amortization 0 0 0
Exploration in operating units 0 0 0
Depreciation and amortization 0 0 0
Mining royalties 0 0 0
Total operating costs 0 0 0
Gross profit (loss) 0 0 0
Operating expenses, net      
Administrative expenses (5,363,000) (297,000) (4,383,000)
Selling expenses 0 0 0
Exploration in non-operating areas 0 0 0
Reversal (provision) of contingencies and others 0 0 0
Impairment recovery of long-lived assets     0
Other, net 0 0 0
Total operating income (expenses) (5,363,000) (297,000) (4,383,000)
Operating Profit (loss) (5,363,000) (297,000) (4,383,000)
Other income (expense),net      
Share in the results of associates and joint ventures 0 0 0
Foreign currency exchange difference 0 126,000 0
Finance income 0 77,000 0
Finance costs 0 0 0
Profit (loss) before income tax (5,363,000) (94,000) (4,383,000)
Income tax expense 0 0 0
Current income tax 0 0 0
Deferred Income tax 0 0 0
Profit (loss) from continued operations (5,363,000) (94,000) (4,383,000)
(Loss) profit from discontinued operations 0 0  
Profit for the year (5,363,000) (6,832,000) (12,666,000)
Total assets 52,097,000 76,379,000 63,461,000
Total liability 323,000 475,000 473,000
Other segment information      
Investments in associates 8,616,000 9,221,000 10,678,000
Additions of property, plant and equipment 0    
Acquisition of long-lived assets   0 0
Changes in estimates of mine closures plans $ 0 $ 0 $ 0