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 |
811,000,000
EUR
|
800,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,500,000,000
EUR
|
1,408,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
771,000,000
EUR
|
793,000,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in joint ventures reported in separate financial statements |
80,000,000
EUR
|
79,000,000
EUR
|
— |
| Investments in associates reported in separate financial statements |
133,000,000
EUR
|
108,000,000
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 |
166,000,000
EUR
|
72,000,000
EUR
|
— |
| Financial assets at fair value through profit or loss |
24,000,000,000
EUR
|
20,899,000,000
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets at fair value through other comprehensive income |
3,384,000,000
EUR
|
3,968,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
34,174,000,000
EUR
|
33,641,000,000
EUR
|
39,842,000,000
EUR
|
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
997,000,000
EUR
|
692,000,000
EUR
|
— |
| Derivative financial assets |
3,477,000,000
EUR
|
4,341,000,000
EUR
|
— |
| Debt instruments held [abstract] | |||
| Debt instruments held |
6,387,000,000
EUR
|
5,715,000,000
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
1,738,000,000
EUR
|
1,907,000,000
EUR
|
— |
| Loans and advances to customers |
82,538,000,000
EUR
|
79,729,000,000
EUR
|
— |
| Cash and bank balances at central banks |
32,436,000,000
EUR
|
31,843,000,000
EUR
|
— |
| Items in course of collection from other banks |
114,000,000
EUR
|
126,000,000
EUR
|
— |
| Other assets |
1,127,000,000
EUR
|
1,127,000,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Net defined benefit liability |
3,000,000
EUR
|
10,000,000
EUR
|
— |
| Derivative financial liabilities |
3,675,000,000
EUR
|
4,490,000,000
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
1,805,000,000
EUR
|
3,095,000,000
EUR
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
103,069,000,000
EUR
|
100,183,000,000
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
1,853,000,000
EUR
|
1,600,000,000
EUR
|
— |
| Debt instruments issued |
9,130,000,000
EUR
|
8,670,000,000
EUR
|
— |
| Investment contracts liabilities |
9,203,000,000
EUR
|
7,692,000,000
EUR
|
— |
| Items in course of transmission to other banks |
218,000,000
EUR
|
322,000,000
EUR
|
— |
| Other liabilities |
2,760,000,000
EUR
|
2,480,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,003,000,000
EUR
|
1,057,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
10,473,000,000
EUR
|
10,285,000,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Merger reserve |
17,000,000
EUR
|
17,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
161,813,000,000
EUR
|
155,708,000,000
EUR
|
— |
| Liabilities |
148,804,000,000
EUR
|
143,147,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |