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 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 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
467,000,000
EUR
|
491,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
281,000,000
EUR
|
293,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
207,000,000
EUR
|
207,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
206,000,000
EUR
|
200,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
1,000,000
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
9,000,000
EUR
|
6,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
453,000,000
EUR
|
518,000,000
EUR
|
— | — | — | — | — | — |
556,000,000
EUR
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
2,120,000,000
EUR
|
2,180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — |
202,000,000
EUR
|
198,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
3,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6,000,000
EUR
|
40,000,000
EUR
|
3,000,000
EUR
|
202,000,000
EUR
|
10,000,000
EUR
|
166,000,000
EUR
|
205,000,000
EUR
|
200,000,000
EUR
|
34,000,000
EUR
|
40,000,000
EUR
|
2,000,000
EUR
|
40,000,000
EUR
|
198,000,000
EUR
|
165,000,000
EUR
|
179,000,000
EUR
|
1,281,000,000
EUR
|
2,000,000
EUR
|
1,306,000,000
EUR
|
39,000,000
EUR
|
177,000,000
EUR
|
163,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
39,000,000
EUR
|
40,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
2,120,000,000
EUR
|
2,180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |