Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 transactions with owners, equity |
219,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
0.0
EUR
|
–
EUR
|
219,000,000.0
EUR
|
219,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
6,405,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
9,000,000.0
EUR
|
6,052,000,000.0
EUR
|
6,414,000,000.0
EUR
|
–
EUR
|
244,000,000.0
EUR
|
–
EUR
|
–
EUR
|
109,000,000.0
EUR
|
| Reduction of issued capital | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
–
EUR
|
–
EUR
|
–
EUR
|
4,009,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
3,900,000,000.0
EUR
|
4,009,000,000.0
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
109,000,000.0
EUR
|