Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment | — | — | — |
303,000,000
EUR
|
— | — | — | — |
296,000,000
EUR
|
— | — | — | — | — | — |
| Right-of-use assets | — | — | — |
263,000,000
EUR
|
— | — | — | — |
250,000,000
EUR
|
— | — | — | — | — | — |
| Goodwill | — | — | — |
130,000,000
EUR
|
— | — | — | — |
130,000,000
EUR
|
— | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
127,000,000
EUR
|
— | — | — | — |
143,000,000
EUR
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — |
4,000,000
EUR
|
— | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
78,000,000
EUR
|
— | — | — | — |
32,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — |
| Assets | — | — | — |
1,531,000
EUR
|
— | — | — | — |
1,482,000
EUR
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital | — | — | — |
3,000,000
EUR
|
— | — | — | — |
3,000,000
EUR
|
— | — | — | — | — | — |
| Retained earnings | — | — | — |
441,000,000
EUR
|
— | — | — | — |
429,000,000
EUR
|
— | — | — | — | — | — |
| Share premium | — | — | — |
31,000,000
EUR
|
— | — | — | — |
31,000,000
EUR
|
— | — | — | — | — | — |
| Other reserves | — | — | — |
4,000,000
EUR
|
— | — | — | — |
2,000,000
EUR
|
— | — | — | — | — | — |
| Equity |
441,000,000
EUR
|
31,000,000
EUR
|
4,000,000
EUR
|
471,000,000
EUR
|
3,000,000
EUR
|
31,000,000
EUR
|
3,000,000
EUR
|
429,000,000
EUR
|
461,000,000
EUR
|
2,000,000
EUR
|
479,000,000
EUR
|
31,000,000
EUR
|
449,000,000
EUR
|
3,000,000
EUR
|
4,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities | — | — | — |
7,000,000
EUR
|
— | — | — | — |
9,000,000
EUR
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — |
1,531,000
EUR
|
— | — | — | — |
1,482,000
EUR
|
— | — | — | — | — | — |