Operating Expenses - Schedule of Components of Cost of Sales (Detail) - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Rental income from investment property, net of direct operating expense [abstract] | |||
| Rental of third-party satellite capacity | € (209) | € (157) | € (140) |
| Equipment | (150) | (69) | (81) |
| Customer support costs | (299) | (169) | (155) |
| Rental of satellite capacity from joint ventures | (21) | ||
| Other cost of sales | (76) | (66) | (68) |
| Total cost of sales | € (755) | € (461) | € (444) |