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 |
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 |
2020-01-01 to 2020-12-31 |
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 |
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 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||
| Increase (decrease) through appropriation of retained earnings, equity |
-
EUR
|
234,000,000
EUR
|
234,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
422,000,000
EUR
|
-
EUR
|
422,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
322,000,000
EUR
|
322,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
| Sale or issue of treasury shares | — | — | — | — | — | — | — | — |
205,000,000
EUR
|
43,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — |
| Cancellation of treasury shares | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
21,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
248,000,000
EUR
|
— | — | — | — |