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 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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Investment property | — | — | — | — | — | — | — |
752,000,000
EUR
|
— | — |
946,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
600,000,000
EUR
|
— | — |
600,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
989,000,000
EUR
|
— | — |
859,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
289,000,000
EUR
|
— | — |
283,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
240,000,000
EUR
|
— | — |
226,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
785,000,000
EUR
|
— | — |
875,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
6,491,900
EUR
|
— | — |
5,677,100
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
3,378,000,000
EUR
|
— | — |
3,378,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — | — |
3,077,000,000
EUR
|
— | — |
2,900,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — | — |
185,000,000
EUR
|
— | — |
355,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
7,179,000,000
EUR
|
— | — |
6,833,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
437,000,000
EUR
|
— | — |
334,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
3,077,000,000
EUR
|
3,378,000,000
EUR
|
437,000,000
EUR
|
67,000,000
EUR
|
7,179,000,000
EUR
|
19,000,000
EUR
|
910,000,000
EUR
|
7,616,000,000
EUR
|
271,000,000
EUR
|
312,000,000
EUR
|
7,167,000,000
EUR
|
2,900,000,000
EUR
|
334,000,000
EUR
|
3,378,000,000
EUR
|
61,000,000
EUR
|
6,833,000,000
EUR
|
18,000,000
EUR
|
910,000,000
EUR
|
7,104,000,000
EUR
|
230,000,000
EUR
|
307,000,000
EUR
|
2,757,000,000
EUR
|
3,378,000,000
EUR
|
33,000,000
EUR
|
6,797,000,000
EUR
|
15,000,000
EUR
|
910,000,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — | — |
8,000,000
EUR
|
— | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
6,491,900
EUR
|
— | — |
5,677,100
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |