Statement Of Financial Position [Abstract]
| Concept |
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 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 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — |
388,000,000
EUR
|
— | — | — | — | — | — | — |
376,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
80,000,000
EUR
|
— | — | — | — | — | — | — |
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — |
4,000,000
EUR
|
— | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
29,000,000
EUR
|
— | — | — | — | — | — | — |
12,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — |
228,000,000
EUR
|
— | — | — | — | — | — | — |
201,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
15,000,000
EUR
|
— | — | — | — | — | — | — |
32,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other receivables | — |
74,000,000
EUR
|
— | — | — | — | — | — | — |
75,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
140,000,000
EUR
|
— | — | — | — | — | — | — |
148,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
75,000,000
EUR
|
— | — | — | — |
| Assets | — |
1,311,000,000
EUR
|
— | — | — | — | — | — | — |
1,173,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — |
126,000,000
EUR
|
— | — | — | — | — | — | — |
126,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — |
234,000,000
EUR
|
— | — | — | — | — | — | — |
234,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — |
12,000,000
EUR
|
— | — | — | — | — | — | — |
11,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — |
72,000,000
EUR
|
— | — | — | — | — | — | — |
72,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
1,035,000,000
EUR
|
— | — | — | — | — | — | — |
960,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,000,000
EUR
|
1,035,000,000
EUR
|
614,000,000
EUR
|
72,000,000
EUR
|
234,000,000
EUR
|
126,000,000
EUR
|
0
EUR
|
12,000,000
EUR
|
1,000,000
EUR
|
960,000,000
EUR
|
1,000,000
EUR
|
72,000,000
EUR
|
234,000,000
EUR
|
549,000,000
EUR
|
11,000,000
EUR
|
126,000,000
EUR
|
0
EUR
|
11,000,000
EUR
|
12,000,000
EUR
|
521,000,000
EUR
|
1,000,000
EUR
|
72,000,000
EUR
|
933,000,000
EUR
|
10,000,000
EUR
|
234,000,000
EUR
|
0
EUR
|
126,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Deferred tax liabilities | — |
0
EUR
|
— | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
276,000,000
EUR
|
— | — | — | — | — | — | — |
213,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
1,311,000,000
EUR
|
— | — | — | — | — | — | — |
1,173,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |