Lease liabilities (Narrative) (Details) - Finance lease obligations [Member] |
Dec. 31, 2025 |
|---|---|
| Bottom of range [Member] | |
| Disclosure of quantitative information about right-of-use assets [line items] | |
| Borrowings, interest rate | 2.50% |
| Top of range [Member] | |
| Disclosure of quantitative information about right-of-use assets [line items] | |
| Borrowings, interest rate | 8.49% |