v3.26.1
Property, plant, equipment and development costs - Discount Rate (Details)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Tambomayo    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Post-Tax discount rate   12.73%
Orcopampa    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Post-Tax discount rate   12.73%
El Brocal    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Post-Tax discount rate 15.17%  
La Zanja    
Disclosure of Mining concessions, development costs, property, plant and equipment, net [Line Items]    
Post-Tax discount rate   15.18%