Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||
| Statement of changes in equity [line items] | ||||||||
| Increase (decrease) through change in equity of subsidiaries, equity |
13,000,000
EUR
|
18,000,000
EUR
|
18,000,000
EUR
|
5,000,000
EUR
|
4,000,000
EUR
|
18,000,000
EUR
|
23,000,000
EUR
|
23,000,000
EUR
|