Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Other property, plant and equipment |
278,117
EUR
|
284,696
EUR
|
— |
| Property, plant and equipment |
347,162
EUR
|
357,389
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
4,274
EUR
|
3,767
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
69,045
EUR
|
72,693
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
1.194.471
EUR
|
1.099.646
EUR
|
— |
| Categories of financial assets [abstract] | |||
| Financial assets at fair value through profit or loss [abstract] | |||
| Financial assets at fair value through profit or loss |
520,364
EUR
|
489,243
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets measured at fair value through other comprehensive income |
372,562
EUR
|
594,456
EUR
|
— |
| Financial assets at amortised cost |
1.469.598
EUR
|
1.470.122
EUR
|
— |
| Financial assets |
3.556.995
EUR
|
3.653.467
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
2.836.294
EUR
|
2.287.322
EUR
|
4.400.915
EUR
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
25,933
EUR
|
39,640
EUR
|
— |
| Derivative financial assets held for trading |
30,917
EUR
|
56,655
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
817,554
EUR
|
1.057.204
EUR
|
— |
| Loans and advances to customers |
20.074.272
EUR
|
19.192.911
EUR
|
— |
| Cash and bank balances at central banks |
2.836.294
EUR
|
2.287.322
EUR
|
— |
| Other assets |
139,464
EUR
|
148,458
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Bonds issued |
2.842.137
EUR
|
2.407.017
EUR
|
— |
| Categories of financial liabilities [abstract] | |||
| Financial liabilities at fair value through profit or loss [abstract] | |||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
35,020
EUR
|
50,381
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
119,248
EUR
|
184,551
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
4.046.388
EUR
|
4.448.735
EUR
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
15.756.132
EUR
|
15.061.355
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
527,054
EUR
|
479,712
EUR
|
— |
| Other liabilities |
292,648
EUR
|
276,242
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
27.834.471
EUR
|
26.798.166
EUR
|
— |
| Assets less current liabilities [abstract] |