Significant Accounting Policies - Property, Plant and Equipment (Details) |
Dec. 31, 2025 |
|---|---|
| Factory machinery and equipment | Minimum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 5 years |
| Factory machinery and equipment | Maximum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 25 years |
| Glass-melting furnaces and forming machines | Minimum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 7 years |
| Glass-melting furnaces and forming machines | Maximum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 15 years |
| Buildings and building equipment | Minimum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 10 years |
| Buildings and building equipment | Maximum | |
| Property, Plant and Equipment | |
| Estimated useful lives | 50 years |