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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
177,000,000
EUR
|
— | — | — | — | — | — |
167,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
316,000,000
EUR
|
— | — | — | — | — | — |
318,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
1,624,000,000
EUR
|
— | — | — | — | — | — |
1,578,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
222,000,000
EUR
|
— | — | — | — | — | — |
156,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
479,000,000
EUR
|
— | — | — | — | — | — |
348,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
413,000,000
EUR
|
— | — | — | — | — | — |
439,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
13,091,000,000
EUR
|
— | — | — | — | — | — |
11,639,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Equity attributable to owners of parent |
2,962,000,000
EUR
|
— | — | — | — | — | — |
2,351,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
21,000,000
EUR
|
— | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
2,983,000,000
EUR
|
30,244,000,000
EUR
|
21,000,000
EUR
|
18,217,000,000
EUR
|
5,000,000
EUR
|
2,962,000,000
EUR
|
14,994,000,000
EUR
|
2,352,000,000
EUR
|
1,000,000
EUR
|
30,714,000,000
EUR
|
5,000,000
EUR
|
18,135,000,000
EUR
|
2,351,000,000
EUR
|
14,935,000,000
EUR
|
12,000,000
EUR
|
31,033,000,000
EUR
|
14,941,000,000
EUR
|
2,030,000,000
EUR
|
2,030,000,000
EUR
|
-
EUR
|
18,134,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
676,000,000
EUR
|
— | — | — | — | — | — |
580,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
10,108,000,000
EUR
|
— | — | — | — | — | — |
9,287,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
13,091,000,000
EUR
|
— | — | — | — | — | — |
11,639,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |