Analysis Of Income And Expense [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||
| Revenue [abstract] | |||||||||||
| Revenue | — | — | — | — |
17,331,000,000
EUR
|
— | — | — | — | — |
21,433,000,000
EUR
|
| Material income and expense [abstract] | |||||||||||
| Profit (loss) from continuing operations attributable to non-controlling interests | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
12,000,000
EUR
|
| Profit (loss) from discontinued operations attributable to non-controlling interests | — | — | — | — |
2,000,000
EUR
|
— | — | — | — | — |
8,000,000
EUR
|
| Interest expense | — | — | — | — |
612,000,000
EUR
|
— | — | — | — | — |
521,000,000
EUR
|
| Operating expense | — | — | — | — |
13,662,000,000
EUR
|
— | — | — | — | — |
14,776,000,000
EUR
|
| Fee and commission income (expense) [abstract] | |||||||||||
| Fee and commission income [abstract] | |||||||||||
| Fee and commission income | — | — | — | — |
545,000,000
EUR
|
— | — | — | — | — |
427,000,000
EUR
|
| Fee and commission expense [abstract] | |||||||||||
| Fee and commission expense | — | — | — | — |
183,000,000
EUR
|
— | — | — | — | — |
122,000,000
EUR
|
| Fee and commission income (expense) | — | — | — | — |
362,000,000
EUR
|
— | — | — | — | — |
305,000,000
EUR
|
| Expenses by nature [abstract] | |||||||||||
| Classes of employee benefits expense [abstract] | |||||||||||
| Employee benefits expense | — | — | — | — |
1,533,000,000
EUR
|
— | — | — | — | — |
1,429,000,000
EUR
|
| Other expenses, by nature | — | — | — | — |
929,000,000
EUR
|
— | — | — | — | — |
842,000,000
EUR
|
| Expenses, by nature | — | — | — | — |
16,769,000,000
EUR
|
— | — | — | — | — |
17,601,000,000
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 | — | — | — | — |
269,000,000
EUR
|
— | — | — | — | — |
899,000,000
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 | — |
9,000,000
EUR
|
— |
9,000,000
EUR
|
9,000,000
EUR
|
— | — | — |
2,000,000
EUR
|
2,000,000
EUR
|
2,000,000
EUR
|
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income |
–
EUR
|
15,014,000,000
EUR
|
–
EUR
|
15,014,000,000
EUR
|
15,067,000,000
EUR
|
–
EUR
|
53,000,000
EUR
|
22,000,000
EUR
|
2,825,000,000
EUR
|
2,825,000,000
EUR
|
2,803,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
15,014,000,000
EUR
|
— | — | — | — | — |
2,825,000,000
EUR
|
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
53,000,000
EUR
|
— | — | — | — | — |
22,000,000
EUR
|