Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
89,000,000
EUR
|
-
EUR
|
89,000,000
EUR
|
-
EUR
|
89,000,000
EUR
|
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
114,000,000
EUR
|
-
EUR
|
5,530,000,000
EUR
|
51,000,000
EUR
|
5,581,000,000
EUR
|
-
EUR
|
5,467,000,000
EUR
|
3,533,000,000
EUR
|
-
EUR
|
3,475,000,000
EUR
|
2,000,000
EUR
|
222,000,000
EUR
|
56,000,000
EUR
|
3,253,000,000
EUR
|
| Reduction of issued capital |
-
EUR
|
1,000,000
EUR
|
-
EUR
|
239,000,000
EUR
|
240,000,000
EUR
|
-
EUR
|
240,000,000
EUR
|
— | — | — | — | — | — | — |