Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||||||||||||
| Interest income |
2,649,600.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,309,400.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Dividend income |
24,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
160,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||||||||||||
| Interest expense |
1,421,800.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,043,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Operating expense |
4,902,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,790,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||||||||||||||
| Fee and commission income |
3,930,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,890,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Fee and commission expense [abstract] | ||||||||||||||||||||||||||||
| Fee and commission expense |
858,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
797,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Fee and commission income (expense) |
3,072,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,093,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||||||||||||||
| Depreciation and amortisation expense |
644,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
628,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other expenses, by nature |
987,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,255,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||||||||||||||
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations |
18,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
94,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income, before tax, hedges of net investments in foreign operations |
7,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
91,000,000.0
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 |
25,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, before 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, before tax |
69,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
175,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss |
88,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
88,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss |
76,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
321,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||||||
| Comprehensive income |
6,720,000,000.0
EUR
|
–
EUR
|
101,000,000.0
EUR
|
6,720,000,000.0
EUR
|
7,000,000.0
EUR
|
22,000,000.0
EUR
|
256,000,000.0
EUR
|
0.0
EUR
|
6,826,000,000.0
EUR
|
18,000,000.0
EUR
|
–
EUR
|
329,000,000.0
EUR
|
–
EUR
|
45,000,000.0
EUR
|
–
EUR
|
2,238,000,000.0
EUR
|
3,183,000,000.0
EUR
|
3,000,000.0
EUR
|
26,000,000.0
EUR
|
–
EUR
|
–
EUR
|
236,000,000.0
EUR
|
48,000,000.0
EUR
|
1,138,000,000.0
EUR
|
90,000,000.0
EUR
|
2,235,000,000.0
EUR
|
347,000,000.0
EUR
|
95,000,000.0
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent |
6,720,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,235,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests |
0.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,000,000.0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |