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 |
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 change in equity of subsidiaries, equity |
96,000,000
EUR
|
9,000,000
EUR
|
3,000,000
EUR
|
434,000,000
EUR
|
276,000,000
EUR
|
530,000,000
EUR
|
164,000,000
EUR
|
231,000,000
EUR
|
194,000,000
EUR
|
33,000,000
EUR
|
3,000,000
EUR
|
191,000,000
EUR
|
7,000,000
EUR
|