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 |
676,000,000
EUR
|
732,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
592,000,000
EUR
|
649,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
3,364,000,000
EUR
|
3,051,000,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
457,000,000
EUR
|
426,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
4,194,000,000
EUR
|
7,910,000,000
EUR
|
2,246,000,000
EUR
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets |
11,767,000,000
EUR
|
12,907,000,000
EUR
|
— |
| Investments other than investments accounted for using equity method |
80,593,000,000
EUR
|
90,006,000,000
EUR
|
— |
| Investments for risk of policyholders |
33,025,000,000
EUR
|
30,352,000,000
EUR
|
— |
| Other assets |
3,342,000,000
EUR
|
3,598,000,000
EUR
|
— |
| Borrowings [abstract] | |||
| Borrowings |
3,135,000,000
EUR
|
5,451,000,000
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Miscellaneous liabilities [abstract] | |||
| Net defined benefit liability |
5,037,000,000
EUR
|
5,218,000,000
EUR
|
— |
| Derivative financial liabilities |
8,666,000,000
EUR
|
10,132,000,000
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
5,550,000,000
EUR
|
5,445,000,000
EUR
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
-
EUR
|
11,967,000,000
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
2,007,000,000
EUR
|
2,005,000,000
EUR
|
— |
| Other liabilities |
1,322,000,000
EUR
|
1,376,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
34,000,000
EUR
|
34,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
4,528,000,000
EUR
|
4,147,000,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of remeasurements of defined benefit plans |
175,000,000
EUR
|
288,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
138,595,000,000
EUR
|
150,768,000,000
EUR
|
— |
| Liabilities |
128,762,000,000
EUR
|
141,391,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |