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Derivative financial instruments - Disclosure of outstanding gold collars (Details) - Gold collars - 2026
Dec. 31, 2024
oz
$ / oz
Disclosure of detailed information about hedges [line items]  
Derivative transaction, gold quantity (in ounces) | oz 200,004
Weighted average put strike price (in USD per ounce) 1,900
Weighted average call strike price (in USD per ounce) 2,667