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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Increase (decrease) through acquisition of subsidiary, equity |
8,000,000
EUR
|
-
EUR
|
-
EUR
|
3,374,000,000
EUR
|
-
EUR
|
3,364,000,000
EUR
|
-
EUR
|
10,000,000
EUR
|
3,381,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through transactions with owners, equity |
-
EUR
|
-
EUR
|
-
EUR
|
275,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
275,000,000
EUR
|
275,000,000
EUR
|
149,000,000
EUR
|
-
EUR
|
149,000,000
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
149,000,000
EUR
|
| Share issue related cost |
-
EUR
|
-
EUR
|
-
EUR
|
8,000,000
EUR
|
-
EUR
|
8,000,000
EUR
|
-
EUR
|
-
EUR
|
8,000,000
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — |