Financial instruments and risk management - Sensitivity analysis – foreign exchange rate exposure – derivative financial instruments (Details) - Currency risk |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2023 |
|
| Possible 25% | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Closing foreign exchange rate, percentage of increase (decrease) | 25.00% | |
| Remote 50% | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Closing foreign exchange rate, percentage of increase (decrease) | 50.00% | |
| Selling transactions in the futures markets | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Value at risk time horizon | 24 months |