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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Dividends recognised as distributions to owners of parent | — | — | — | — |
2,339,000,000
EUR
|
2,339,000,000
EUR
|
2,339,000,000
EUR
|
1,968,000,000
EUR
|
— |
1,968,000,000
EUR
|
— | — | — |
1,968,000,000
EUR
|
| Increase (decrease) through transactions with owners, equity |
–
EUR
|
9,264,000,000
EUR
|
3,000,000
EUR
|
–
EUR
|
7,051,000,000
EUR
|
7,051,000,000
EUR
|
2,216,000,000
EUR
|
1,922,000,000
EUR
|
–
EUR
|
1,922,000,000
EUR
|
–
EUR
|
–
EUR
|
–
EUR
|
1,922,000,000
EUR
|
| Share issue related cost | — |
2,000,000
EUR
|
— | — |
2,000,000
EUR
|
2,000,000
EUR
|
— | — | — | — | — | — | — | — |