Property plant and equipment - Depreciation of non-mining assets (Details)	12 Months Ended
	Dec. 31, 2025
Vehicles
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	5 years
Computers \| Minimum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	3 years
Computers \| Maximum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	5 years
Furniture and equipment \| Minimum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	1 year
Furniture and equipment \| Maximum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	10 years
Buildings and improvements \| Minimum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	5 years
Buildings and improvements \| Maximum
Disclosure of detailed information about property, plant and equipment [line items]
Life-of-mine	39 years