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Derivative financial instruments - Embedded derivatives (Details) - Sociedad Minera Cerro Verde S.A.A.
item in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
item
Dec. 31, 2022
USD ($)
item
Disclosure Of Embedded derivatives [Line Items]    
Derivative financial asset liabilities $ 37,435,000 $ 91,011,000
Copper concentrate [Member]    
Disclosure Of Embedded derivatives [Line Items]    
Quantity of Metal | item 231,774 320,095
Embedded derivatives, maturity January to May 2024 January to May 2023
Derivative financial asset liabilities $ 34,581,000 $ 63,335,000
Copper concentrate [Member] | Minimum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing $ 3.588 $ 3.448
Forward pricing 3.850 3.798
Copper concentrate [Member] | Maximum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing $ 3.840 $ 3.807
Forward pricing 3.897 3.799
Copper cathode [Member]    
Disclosure Of Embedded derivatives [Line Items]    
Quantity of Metal | item 5,072 4,187
Embedded derivatives, maturity January 2024 January 2023
Provisional pricing $ 3.869  
Forward pricing 3.850 3.798
Derivative financial asset liabilities $ (95,000) $ (61,000)
Copper cathode [Member] | Minimum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing   3.808
Copper cathode [Member] | Maximum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing   $ 3.817
Molybdenum [Member]    
Disclosure Of Embedded derivatives [Line Items]    
Quantity of Metal | item 2,173 2,425
Embedded derivatives, maturity January to February 2024 January to February 2023
Forward pricing 17.395 28.267
Derivative financial asset liabilities $ 2,384,000 $ 27,737,000
Molybdenum [Member] | Minimum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing 15.251 16.677
Molybdenum [Member] | Maximum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing $ 17.803 $ 16.935
Silver [Member]    
Disclosure Of Embedded derivatives [Line Items]    
Quantity of Metal | item 757  
Embedded derivatives, maturity January to May 2024  
Derivative financial asset liabilities $ 565,000  
Silver [Member] | Minimum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing $ 21.568  
Forward pricing 23.910  
Silver [Member] | Maximum    
Disclosure Of Embedded derivatives [Line Items]    
Provisional pricing $ 24.910  
Forward pricing 24.370