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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||
| Statement of changes in equity [line items] | |||||||||
| Cancellation of treasury shares |
1 104,8
EUR
|
5,000,000
EUR
|
-
EUR
|
1 104,3
EUR
|
-
EUR
|
8,000,000
EUR
|
8,030,000,000
EUR
|
-
EUR
|
8,038,000,000
EUR
|