Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||||||||||||||
| Revenue [abstract] | |||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — |
4,408,000,000
EUR
|
— | — |
3,582,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Dividend income | — | — | — | — | — | — | — | — |
6,000,000
EUR
|
— | — |
4,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Material income and expense [abstract] | |||||||||||||||||||||
| Interest expense | — | — | — | — | — | — | — | — |
2,763,000,000
EUR
|
— | — |
1,923,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Interest income (expense) | — | — | — | — | — | — | — | — |
1,645,000,000
EUR
|
— | — |
1,659,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Revenue and other operating income | — | — | — | — | — | — | — | — |
2,222,000,000
EUR
|
— | — |
2,129,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Operating expense | — | — | — | — | — | — | — | — |
866,000,000
EUR
|
— | — |
815,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Fee and commission income (expense) [abstract] | |||||||||||||||||||||
| Fee and commission income [abstract] | |||||||||||||||||||||
| Fee and commission income | — | — | — | — | — | — | — | — |
480,000,000
EUR
|
— | — |
433,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Fee and commission expense [abstract] | |||||||||||||||||||||
| Fee and commission expense | — | — | — | — | — | — | — | — |
60,000,000
EUR
|
— | — |
59,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Fee and commission income (expense) | — | — | — | — | — | — | — | — |
420,000,000
EUR
|
— | — |
374,000,000
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 | — | — | — | — | — | — | — | — |
179,000,000
EUR
|
— | — |
157,000,000
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] | |||||||||||||||||||||
| 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 | — | — | — | — | — | — | — | — |
-
EUR
|
— | — |
1,000,000
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 | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — |
3,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — | — | — | — | — | — | — |
7,000,000
EUR
|
— | — |
16,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income |
53,000,000
EUR
|
-
EUR
|
-
EUR
|
724,000,000
EUR
|
-
EUR
|
-
EUR
|
646,000,000
EUR
|
-
EUR
|
724,000,000
EUR
|
25,000,000
EUR
|
-
EUR
|
694,000,000
EUR
|
-
EUR
|
694,000,000
EUR
|
-
EUR
|
624,000,000
EUR
|
-
EUR
|
-
EUR
|
70,000,000
EUR
|
-
EUR
|
-
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income from continuing operations, attributable to owners of parent | — | — | — | — | — | — | — | — |
615,000,000
EUR
|
— | — |
598,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income from discontinued operations, attributable to owners of parent | — | — | — | — | — | — | — | — |
109,000,000
EUR
|
— | — |
96,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — |
724,000,000
EUR
|
— | — |
694,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — |
-
EUR
|
— | — |
-
EUR
|
— | — | — | — | — | — | — | — | — |