Basis of presentation and accounting policies - Estimated useful life (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Buildings and improvements | Minimum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 25 years |
| Buildings and improvements | Maximum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 30 years |
| Plant and production Equipment | Minimum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 3 years |
| Plant and production Equipment | Maximum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 10 years |
| Vehicles, furniture and fixtures, and other equipment | Minimum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 4 years |
| Vehicles, furniture and fixtures, and other equipment | Maximum | |
| Basis of presentation and accounting policies | |
| Estimated useful life | 10 years |