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] | |||
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
2 355
EUR
|
2 331
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
30,000,000
EUR
|
32,000,000
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, mandatorily measured at fair value | — | — | — |
| Financial assets at fair value through profit or loss, classified as held for trading |
8 327
EUR
|
8 471
EUR
|
— |
| Financial assets at fair value through profit or loss |
23 539
EUR
|
21 911
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets at fair value through other comprehensive income |
18 587
EUR
|
16 617
EUR
|
— |
| Financial assets at amortised cost |
263 625
EUR
|
251 770
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
53 961
EUR
|
67 481
EUR
|
63 554
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 or as held for distribution to owners |
4,000,000
EUR
|
8 054
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Restricted cash and cash equivalents |
0
EUR
|
0
EUR
|
— |
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
295,000,000
EUR
|
542,000,000
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
222,000,000
EUR
|
1 237
EUR
|
— |
| Reverse repurchase agreements and cash collateral on securities borrowed |
25 345
EUR
|
19 903
EUR
|
— |
| Other assets |
1 691
EUR
|
1 406
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 |
7 050
EUR
|
9 096
EUR
|
— |
| Financial liabilities at fair value through profit or loss |
21 840
EUR
|
22 297
EUR
|
— |
| Financial liabilities at amortised cost |
280 874
EUR
|
289 885
EUR
|
— |
| Financial liabilities |
303 116
EUR
|
312 759
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities | — | — | — |
| Derivative financial liabilities held for hedging |
401,000,000
EUR
|
577,000,000
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
6 136
EUR
|
5 085
EUR
|
— |
| Other liabilities |
2 611
EUR
|
2 353
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
346 921
EUR
|
354 545
EUR
|
— |
| Liabilities |
322 661
EUR
|
332 727
EUR
|
— |
| Assets less current liabilities [abstract] |