Fixed Assets Suppliers - Additional Information (Detail) - EUR (€) € in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Schedule Of Classification Of Fixed Assets Suppliers [Abstract] | ||
| Satellites for the mPOWER MEO constellation | € 125 | € 233 |
| GEO satellites | € 283 | € 347 |