Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through change in equity of subsidiaries, equity |
−
EUR
|
155,000,000
EUR
|
165,000,000
EUR
|
10,000,000
EUR
|
−
EUR
|
11,000,000
EUR
|
1,000,000
EUR
|
188,000,000
EUR
|
−
EUR
|
429,000,000
EUR
|
−
EUR
|
126,000,000
EUR
|
241,000,000
EUR
|
62,000,000
EUR
|
| Cancellation of treasury shares | — |
682,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |