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 |
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 | — |
1,000,000
EUR
|
— | — |
1,000,000
EUR
|
1,000,000
EUR
|
— | — |
| Increase (decrease) through transactions with owners, equity |
11,000,000
EUR
|
1,213,000,000
EUR
|
1,202,000,000
EUR
|
1,202,000,000
EUR
|
1,201,000,000
EUR
|
19,000,000
EUR
|
1,182,000,000
EUR
|
1,182,000,000
EUR
|