Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
960,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
941,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
119,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
111,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
95,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
92,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
555,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
779,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
454,000,000
EUR
|
| Assets |
4,392,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,080,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
77,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
77,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2,387,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,180,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
33,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
46,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
35,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
70,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
2,507,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,296,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
EUR
|
— | — | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,507,000,000
EUR
|
35,000,000
EUR
|
0
EUR
|
2,387,000,000
EUR
|
33,000,000
EUR
|
77,000,000
EUR
|
41,000,000
EUR
|
2,507,000,000
EUR
|
46,000,000
EUR
|
2,180,000,000
EUR
|
70,000,000
EUR
|
2,303,000,000
EUR
|
2,296,000,000
EUR
|
7,000,000
EUR
|
17,000,000
EUR
|
77,000,000
EUR
|
2,008,000,000
EUR
|
4,000,000
EUR
|
2,051,000,000
EUR
|
77,000,000
EUR
|
63,000,000
EUR
|
28,000,000
EUR
|
56,000,000
EUR
|
2,055,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities |
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
67,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
1,885,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,777,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
4,392,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,080,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |