Intangible assets (Details 1) - EUR (€) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| IfrsStatementLineItems [Line Items] | |||
| Intangible assets | € 65,000,000 | € 65,000,000 | € 0 |
| Cost [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Additions | 65,000,000 | ||
| Intangible assets | 65,000,000 | 65,000,000 | |
| Carrying Amount [Member] | |||
| IfrsStatementLineItems [Line Items] | |||
| Intangible assets | € 65,000,000 | € 65,000,000 |