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 |
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] | ||||||||||
| Dividends recognised as distributions to owners of parent |
45.00
EUR
|
— | — | — | — | — |
38.00
EUR
|
— | — | — |
| Increase (decrease) through transactions with owners, equity |
8 187
EUR
|
907,000.000
EUR
|
7 280
EUR
|
3 318
EUR
|
3 962
EUR
|
1 915
EUR
|
1 317
EUR
|
598,000.000
EUR
|
1 762
EUR
|
153,000.000
EUR
|
| Cancellation of treasury shares |
3 287
EUR
|
— |
3 287
EUR
|
3 318
EUR
|
31,000.000
EUR
|
16,000.000
EUR
|
16,000.000
EUR
|
— |
137,000.000
EUR
|
153,000.000
EUR
|