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Financial - risk management objectives and policies - Aging of obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Financial risk management [Line Items]        
Lease liabilities $ 12,953 $ 5,779    
Trade and other payables. 251,542 262,678    
Total financial liabilities 738,534 1,057,975 $ 531,653 $ 571,688
Sociedad Minera Cerro Verde S.A.A.        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 320,400 235,555    
Accounts payable - related parties 3,174 3,426    
Senior unsecured credit facility 0 324,695    
Lease liabilities 63,125 70,120    
Other accounts payable 60,632 73,235    
Trade and other payables. 35,800 15,100    
Total financial liabilities 447,331 707,031    
Sociedad Minera Cerro Verde S.A.A. | On Demands [Member]        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 0 0    
Accounts payable - related parties 0 0    
Senior unsecured credit facility   0    
Lease liabilities 0 0    
Other accounts payable 0 0    
Total financial liabilities 0 0    
Sociedad Minera Cerro Verde S.A.A. | Not later than three months [member]        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 316,460 234,640    
Accounts payable - related parties 1,740 3,426    
Senior unsecured credit facility   0    
Lease liabilities 1,036 1,257    
Other accounts payable 15,293 66,818    
Total financial liabilities 334,529 306,141    
Sociedad Minera Cerro Verde S.A.A. | Later than three months and not later than one year [member]        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 2,923 277    
Accounts payable - related parties 1,434 0    
Senior unsecured credit facility   324,695    
Lease liabilities 5,992 6,360    
Other accounts payable 45,339 6,417    
Total financial liabilities 55,688 337,749    
Sociedad Minera Cerro Verde S.A.A. | Between 2 and 5 years [member]        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 1,017 638    
Accounts payable - related parties 0 0    
Senior unsecured credit facility   0    
Lease liabilities 45,033 41,085    
Other accounts payable 0 0    
Total financial liabilities 46,050 41,723    
Sociedad Minera Cerro Verde S.A.A. | More than 5 years        
Disclosure Of Financial risk management [Line Items]        
Trade accounts payable 0 0    
Accounts payable - related parties 0 0    
Senior unsecured credit facility   0    
Lease liabilities 11,064 21,418    
Other accounts payable 0 0    
Total financial liabilities $ 11,064 $ 21,418