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 |
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 |
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 transactions with owners, equity |
24,800,000
EUR
|
14,100,000
EUR
|
2,700,000
EUR
|
280,800,000
EUR
|
305,600,000
EUR
|
292,200,000
EUR
|
301,000,000
EUR
|
306,700,000
EUR
|
3,700,000
EUR
|
310,400,000
EUR
|
35,900,000
EUR
|
16,700,000
EUR
|
9,800,000
EUR
|
| Purchase of treasury shares | — | — |
13,500,000
EUR
|
13,500,000
EUR
|
13,500,000
EUR
|
— | — |
34,400,000
EUR
|
— |
34,400,000
EUR
|
— | — |
34,400,000
EUR
|
| Cancellation of treasury shares | — | — | — | — | — | — | — |
—
EUR
|
— | — |
35,500,000
EUR
|
— |
35,500,000
EUR
|