Analysis Of Income And Expense [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — | — | — |
21,4 3 3
EUR
|
— |
19,52 2
EUR
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Profit (loss) from continuing operations attributable to non-controlling interests | — | — | — | — | — | — |
12,000,000
EUR
|
— |
18,000,000
EUR
|
— | — | — | — | — |
| Profit (loss) from discontinued operations attributable to non-controlling interests | — | — | — | — | — | — |
8,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — |
| Investment income | — | — | — | — | — | — |
5,805,000,000
EUR
|
— |
4 , 5 74
EUR
|
— | — | — | — | — |
| Interest expense | — | — | — | — | — | — |
521,000,000
EUR
|
— |
511,000,000
EUR
|
— | — | — | — | — |
| Operating expense | — | — | — | — | — | — |
1 4,77 6
EUR
|
— |
14 ,4 8 8
EUR
|
— | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||
| Fee and commission income | — | — | — | — | — | — |
427,000,000
EUR
|
— |
343,000,000
EUR
|
— | — | — | — | — |
| Fee and commission expense [abstract] | ||||||||||||||
| Fee and commission expense | — | — | — | — | — | — |
1 2 2
EUR
|
— |
7 9
EUR
|
— | — | — | — | — |
| Fee and commission income (expense) | — | — | — | — | — | — |
305,000,000
EUR
|
— |
264,000,000
EUR
|
— | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||
| Employee benefits expense | — | — | — | — | — | — |
1,42 9
EUR
|
— |
1,4 4 6
EUR
|
— | — | — | — | — |
| Other expenses, by nature | — | — | — | — | — | — |
8 42
EUR
|
— |
854,000,000
EUR
|
— | — | — | — | — |
| Expenses, by nature | — | — | — | — | — | — |
17, 6 0 1
EUR
|
— |
1 7 ,326
EUR
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — | — | — |
899,000,000
EUR
|
— |
219,000,000
EUR
|
— | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — |
2,000,000
EUR
|
— | — |
2,000,000
EUR
|
2,000,000
EUR
|
— |
5,000,000
EUR
|
— | — |
5,000,000
EUR
|
— |
5,000,000
EUR
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
22,000,000
EUR
|
–
EUR
|
2 , 8 2 5
EUR
|
–
EUR
|
–
EUR
|
2 , 8 2 5
EUR
|
2 , 8 0 3
EUR
|
–
EUR
|
7, 0 3 2
EUR
|
23,000,000
EUR
|
–
EUR
|
7, 0 0 9
EUR
|
–
EUR
|
7, 0 0 9
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
2 , 8 2 5
EUR
|
— |
7, 0 0 9
EUR
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
22,000,000
EUR
|
— |
23,000,000
EUR
|
— | — | — | — | — |