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] | |||
| Investment property [abstract] | |||
| Investment property |
692,000,000
EUR
|
684,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
2,000,000
EUR
|
4,000,000
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 |
1 452
EUR
|
1 444
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets measured at fair value through other comprehensive income |
19 964
EUR
|
19 259
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
2 391
EUR
|
1 854
EUR
|
1 830
EUR
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
202,000,000
EUR
|
180,000,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
75,000,000
EUR
|
54,000,000
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
2 947
EUR
|
2 613
EUR
|
— |
| Other liabilities |
629,000,000
EUR
|
710,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1 415
EUR
|
1 416
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
4,000,000
EUR
|
812,000,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
38,000,000
EUR
|
40,000,000
EUR
|
— |
| Additional paid-in capital |
459,000,000
EUR
|
464,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
37 348
EUR
|
35 477
EUR
|
— |
| Assets less current liabilities [abstract] |