Material accounting policies - Post-Employment Benefit Plans (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Disclosure of defined benefit plans [line items] | |
| Actuarial valuation, frequency period | 3 years |
| DB pension | |
| Disclosure of defined benefit plans [line items] | |
| Highest paid consecutive period of service | 5 years |