Financial instruments -Market Risk Outstanding Derivative Instruments (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
$ / Ounce
exchangeRate
oz
alternative_energy_credit
| |
| Disclosure of detailed information about financial instruments [line items] | |
| Weighted average price per ounce | 3,800 |
| Derivative weighted average forward price per ounce | 4,350 |
| Gold | |
| Disclosure of detailed information about financial instruments [line items] | |
| Derivative nonmonetary notional amount | oz | 30,000 |
| Foreign exchange collar contracts | |
| Disclosure of detailed information about financial instruments [line items] | |
| Notional amount | $ | $ 537.0 |
| Average foreign exchange rate | exchangeRate | 5.54 |
| Weighted Average cap/forward price | alternative_energy_credit | 6.34 |