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 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 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — |
85,000,000
EUR
|
— | — | — | — | — | — | — |
71,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Right-of-use assets | — |
419,000,000
EUR
|
— | — | — | — | — | — | — |
410,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Goodwill | — |
142,000,000
EUR
|
— | — | — | — | — | — | — |
140,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
37,000,000
EUR
|
— | — | — | — | — | — | — |
46,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — |
7,000,000
EUR
|
— | — | — | — | — | — | — |
14,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
30,000,000
EUR
|
— | — | — | — | — | — | — |
89,000,000
EUR
|
— | — |
42,000,000
EUR
|
— | — | — | — | — |
| Assets | — |
2,283,000,000
EUR
|
— | — | — | — | — | — | — |
2,157,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — |
1,000,000
EUR
|
— | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Treasury shares | — |
8,000,000
EUR
|
— | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
1,091,000,000
EUR
|
— | — | — | — | — | — | — |
1,118,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
855,000,000
EUR
|
1,091,000,000
EUR
|
247,000,000
EUR
|
1,000,000
EUR
|
5,000,000
EUR
|
8,000,000
EUR
|
1,000,000
EUR
|
4,000,000
EUR
|
874,000,000
EUR
|
1,118,000,000
EUR
|
-
EUR
|
247,000,000
EUR
|
1,084,000,000
EUR
|
-
EUR
|
1,000,000
EUR
|
3,000,000
EUR
|
838,000,000
EUR
|
247,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Liabilities | — |
1,192,000,000
EUR
|
— | — | — | — | — | — | — |
1,039,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — |
2,283,000,000
EUR
|
— | — | — | — | — | — | — |
2,157,000,000
EUR
|
— | — | — | — | — | — | — | — |