Significant Accounting Policies - Property, plant and equipment (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Buildings | Minimum | |
| Property, Plant and Equipment | |
| Depreciation rates | 1.00% |
| Buildings | Maximum | |
| Property, Plant and Equipment | |
| Depreciation rates | 3.00% |
| Other property, technical equipment and machinery | Minimum | |
| Property, Plant and Equipment | |
| Depreciation rates | 4.00% |
| Other property, technical equipment and machinery | Maximum | |
| Property, Plant and Equipment | |
| Depreciation rates | 10.00% |
| Other property, plant and equipment | Minimum | |
| Property, Plant and Equipment | |
| Depreciation rates | 7.00% |
| Other property, plant and equipment | Maximum | |
| Property, Plant and Equipment | |
| Depreciation rates | 33.00% |