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Tax situation - Additional information (Details)
 1 Months Ended 12 Months Ended
Jan. 05, 2021
installment
Jan. 01, 2017
Jun. 23, 2004
Jan. 01, 2004
Mar. 31, 2021
Mar. 31, 2020
Jul. 17, 2012
Sep. 28, 2011
Dec. 31, 2021
USD ($)
installment
Dec. 31, 2020
USD ($)
Dec. 31, 2020
PEN (S/)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jan. 31, 2022
USD ($)
Dec. 31, 2021
PEN (S/)
Dec. 31, 2020
PEN (S/)
Disclosure Of Income Tax Explanatory                                      
Refunds provision                 $ 19,300,000 $ 13,700,000                  
Applicable tax rate   29.50%             32.00% 32.00% 32.00% 32.00%              
Income Tax Rate Applicable To Dividends                 5.00%                    
Applicable Tax Rate With Respect To Results Obtained                           6.80% 6.80% 4.10%      
Unused tax losses for which deferred tax asset recognised                 $ 781,480,000 $ 681,354,000               S/ 3,124,358,000 S/ 2,469,226,000
Mining royalties.                 12,974,000 11,749,000   $ 12,832,000              
Term of agreement of guarantees and measures to promote investments             15 years                        
Current tax expense (income)                 20,375,000 9,924,000   11,911,000              
Current tax expense income relating to special mining tax                 70,300,000 17,300,000   18,600,000              
Current tax expense income relating to mining royalties                 74,600,000 14,900,000   28,400,000              
Current tax expense income relating to statutory retirement fund                 8,800,000 2,600,000   1,800,000              
Deferred tax expense (income)                 (44,046,000) 15,506,000   (37,501,000)              
Tax expense (income), continuing operations                 $ (23,671,000) $ 25,430,000   $ (25,590,000)              
Construction work in progress (as a percent)                 80.00%                    
Presumed percentage of construction in progress for tax payers                 80.00%                    
Deductible temporary differences for which no deferred tax asset is recognised                 $ 252,157,000,000,000                    
Data processing equipment                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 50.00%                    
Machinery and equipment                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 20.00%                    
Land transport vehicle                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 33.30%                    
Hybrid or electric land transport vehicle                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 50.00%                    
SUNAT.                                      
Disclosure Of Income Tax Explanatory                                      
Number Of Equal Monthly Payments | installment 66                                    
Changes in tax rates or tax laws enacted or announced [member]                                      
Disclosure Of Income Tax Explanatory                                      
Applicable Tax Rate With Respect To Results Obtained                         5.00%            
Minera Yanacocha Srl And Subsidiaries [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Deferred tax expense (income)                 $ 50,000                    
Minera Yanacocha SRL and subsidiary [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Applicable tax rate   29.50%             29.50% 29.50% 29.50% 29.50%              
Maximum mining tax rate on operating profit               12.00%                      
Mining royalties included in cost of production                 $ 5,266,000 $ 6,167,000   $ 7,360,000              
Mining tax expense                 $ 9,196,000 5,065,000   11,444,000              
Employers contribution rate                 0.50%                    
Employees Contribution Rate                 0.50%                    
Current Income Tax Payable                 $ 6,277,000                    
Mining Tax Payable                 1,130,000 2,425,000                  
Income and mining tax expense                 $ 688,000 868,000   728,000              
Term of agreement of guarantees and measures to promote investments                 15 years                    
Tax payment based on exchange rates                                 $ 73,000,000    
Mining royalties payable                 $ 2,353,000 55,000   1,563,000              
Current tax expense (income)                 50,008,000 53,018,000   64,928,000              
Deferred tax expense (income)                 1,021,000 (1,071,000)                  
Tax expense (income), continuing operations                 $ 51,029,000 $ 53,018,000   $ 64,928,000              
Minera Yanacocha SRL and subsidiary [Member] | Data processing equipment                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 50.00%                    
Minera Yanacocha SRL and subsidiary [Member] | Machinery and equipment                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 20.00%                    
Minera Yanacocha SRL and subsidiary [Member] | Land transport vehicle                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 33.30%                    
Minera Yanacocha SRL and subsidiary [Member] | Hybrid or electric land transport vehicle                                      
Disclosure Of Income Tax Explanatory                                      
Annual percentage of taxable income for depreciation                 50.00%                    
Sociedad Minera Cerro Verde S.A.A. [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Applicable tax rate                 32.00% 32.00% 32.00% 32.00%              
Current Income Tax Payable                 $ 704,500,000                    
Deferred tax expense (income) recognised in profit or loss                 31,200,000 $ 26,300,000   $ 141,600,000              
Amount Paid For Disputed Tax Assessments                   641,300,000   641,300,000              
Other non-current receivables                 236,548,000 190,501,000                  
Current tax expense (income)                   236,926,000   298,074,000              
Deferred tax expense (income)                 30,864,000 25,962,000   139,934,000              
Tax expense (income), continuing operations                 $ 735,703,000 236,926,000   298,074,000              
Current income tax expense                   210,600,000   $ 156,500,000              
Sociedad Minera Cerro Verde S.A.A. [Member] | December 2006 to December 2013 | SUNAT.                                      
Disclosure Of Income Tax Explanatory                                      
Tax payment based on estimated due                   791,900,000                 2,900,000
Number Of Equal Monthly Payments | installment                 66                    
Deferred Interest, Interest And Penalties                   496,500,000                  
Amount of the assessment, including interest and penalties                   771,200,000 S/ 2,800,000,000                
Minera Yanacocha SRL One [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Current Income Tax Payable                   39,604,000                  
Peruvian government [member]                                      
Disclosure Of Income Tax Explanatory                                      
Applicable tax rate                 32.00%                    
Peruvian government [member] | Minera Yanacocha SRL and subsidiary [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Royalty rate on revenue               1.00%                      
IFRS Standby Letters of Credit [Member] | Sociedad Minera Cerro Verde S.A.A. [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Notional amount                   $ 378,100,000                 S/ 1,370,300,000
Minimum                                      
Disclosure Of Income Tax Explanatory                                      
Royalty rate on revenue     1.00% 1.00%                              
Interest rate in national currency           0.90%                          
Minimum | SUNAT.                                      
Disclosure Of Income Tax Explanatory                                      
Interest rate in national currency         0.90% 1.00%                          
Interest rate in foreign currency           0.50%                          
Return of interest rate on national currency           0.42%                          
Return of interest rate on foreign currency           0.25%                          
Interest rate on withholding tax           1.00%                          
Minimum | Minera Yanacocha SRL and subsidiary [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Mining tax rate on operating profit                 2.00%                    
Interest rate in national currency           1.00%                          
Interest rate in foreign currency           0.50%                          
Return of interest rate on national currency           0.42%                          
Return of interest rate on foreign currency           0.25%                          
Interest rate on withholding tax           1.00%                          
Maximum                                      
Disclosure Of Income Tax Explanatory                                      
Royalty rate on revenue     3.00% 12.00%                              
Mining tax rate on operating profit     1.00%                                
Interest rate in national currency           1.00%                          
Maximum | SUNAT.                                      
Disclosure Of Income Tax Explanatory                                      
Interest rate in national currency         1.00% 1.20%                          
Interest rate in foreign currency           0.60%                          
Return of interest rate on national currency           0.50%                          
Return of interest rate on foreign currency           0.30%                          
Interest rate on withholding tax           1.20%                          
Maximum | Minera Yanacocha SRL and subsidiary [Member]                                      
Disclosure Of Income Tax Explanatory                                      
Mining tax rate on operating profit                   8.40% 8.40%                
Interest rate in national currency           1.20%                          
Interest rate in foreign currency           0.60%                          
Return of interest rate on national currency           0.50%                          
Return of interest rate on foreign currency           0.30%                          
Interest rate on withholding tax           1.20%