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] | |||
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
622,000,000
EUR
|
571,000,000
EUR
|
— |
| Goodwill |
880,000,000
EUR
|
872,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
3,081,000,000
EUR
|
2,631,000,000
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 |
-
EUR
|
4,029,000,000
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Cash and bank balances at central banks |
26,538,000,000
EUR
|
38,467,000,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Liabilities due to central banks |
2,020,000,000
EUR
|
1,971,000,000
EUR
|
2,363,000,000
EUR
|
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
2,919,000,000
EUR
|
3,095,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
379,846,000,000
EUR
|
373,880,000,000
EUR
|
— |
| Liabilities |
345,039,000,000
EUR
|
342,701,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |