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Other non-financial assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2016
Non-current          
Tax credits $ 28,046 $ 15,456      
Income tax expense   9,700 $ 9,700 $ 9,700 $ 9,700
Sociedad Minera Cerro Verde S.A.A.          
Current          
Value added tax (VAT) credit 33,014 36,848      
Non-current          
Other receivables 333,338 246,151      
Uncertain tax position 16,635 9,700      
Other taxes to be recovered 1,928 1,847      
Total Non-Current 351,901 257,698      
Total other non-financial assets 384,915 294,546      
Protest disbursement under disputed tax 262,300 228,900      
Custom taxes 15,700 7,600      
Tax credits 55,300 $ 9,600      
Income tax expense $ 16,600