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 |
533,000,000
EUR
|
538,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
124,000,000
EUR
|
133,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
2 466
EUR
|
2 569
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
60,000,000
EUR
|
89,000,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Other receivables |
2 249
EUR
|
1 180
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 |
11 538
EUR
|
10 630
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets measured at fair value through other comprehensive income |
23 809
EUR
|
23 687
EUR
|
— |
| Financial assets at amortised cost |
31 362
EUR
|
28 461
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
997,000,000
EUR
|
1 046
EUR
|
1 200
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
|
28,000,000
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
2,000,000
EUR
|
2,000,000
EUR
|
— |
| Other assets |
1 702
EUR
|
1 683
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 |
237,000,000
EUR
|
24,000,000
EUR
|
— |
| Financial liabilities at amortised cost |
32 225
EUR
|
28 576
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities | — | — | — |
| Derivative financial liabilities held for hedging |
1,000,000
EUR
|
–
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
1 271
EUR
|
2 219
EUR
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
27 468
EUR
|
23 479
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
406,000,000
EUR
|
642,000,000
EUR
|
— |
| Debt instruments issued |
3 365
EUR
|
2 842
EUR
|
— |
| Other liabilities |
6,000,000
EUR
|
11,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
4 117
EUR
|
4 133
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Accumulated other comprehensive income |
706,000,000
EUR
|
692,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
72 266
EUR
|
68 552
EUR
|
— |
| Assets less current liabilities [abstract] |