Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
534,000,000
EUR
|
501,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
438,000,000
EUR
|
467,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
290,000,000
EUR
|
301,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
570,000,000
EUR
|
100,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
3,046,000,000
EUR
|
4,434,000,000
EUR
|
12,155,000,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale |
1,999,000,000
EUR
|
6,399,000,000
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
628,000,000
EUR
|
727,000,000
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to customers |
39,050,000,000
EUR
|
36,161,000,000
EUR
|
— |
| Cash and bank balances at central banks |
2,998,000,000
EUR
|
4,219,000,000
EUR
|
— |
| Other assets |
808,000,000
EUR
|
945,000,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other provisions |
161,000,000
EUR
|
120,000,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
793,000,000
EUR
|
934,000,000
EUR
|
— |
| Other liabilities |
895,000,000
EUR
|
919,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
682,000,000
EUR
|
682,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
2,175,000,000
EUR
|
1,626,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
72,075,000,000
EUR
|
72,421,000,000
EUR
|
— |
| Liabilities |
63,886,000,000
EUR
|
65,098,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |