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Related parties - (Schedule of subsidiaries) (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
HudBay Marketing & Sales Inc. [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%
HudBay Peru Inc. [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%
HudBay Peru S.A.C. [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%
HudBay (BVI) Inc. [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%
Hudbay Arizona Inc. [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%
Copper World, Inc [Member]    
Disclosure of transactions between related parties [line items]    
Beneficial ownership of ultimate controlling party (HudBay Minerals Inc.) 100.00% 100.00%