Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
802,000,000
EUR
|
820,000,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
1,276,000,000
EUR
|
852,000,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
883,000,000
EUR
|
992,000,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in joint ventures reported in separate financial statements |
82,000,000
EUR
|
57,000,000
EUR
|
— |
| Investments in associates reported in separate financial statements |
83,000,000
EUR
|
59,000,000
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 |
–
EUR
|
20,000,000
EUR
|
— |
| Financial assets at fair value through profit or loss |
18,553,000,000
EUR
|
20,078,000,000
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | |||
| Financial assets at fair value through other comprehensive income |
4,254,000,000
EUR
|
9,457,000,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
39,842,000,000
EUR
|
33,931,000,000
EUR
|
13,265,000,000
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 |
2,000,000
EUR
|
5,000,000
EUR
|
— |
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
736,000,000
EUR
|
740,000,000
EUR
|
— |
| Derivative financial assets |
5,138,000,000
EUR
|
1,571,000,000
EUR
|
— |
| Debt instruments held [abstract] | |||
| Debt instruments held |
4,472,000,000
EUR
|
6,008,000,000
EUR
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
3,044,000,000
EUR
|
2,750,000,000
EUR
|
— |
| Loans and advances to customers |
71,961,000,000
EUR
|
76,422,000,000
EUR
|
— |
| Cash and bank balances at central banks |
36,855,000,000
EUR
|
31,360,000,000
EUR
|
— |
| Items in course of collection from other banks |
140,000,000
EUR
|
159,000,000
EUR
|
— |
| Other assets |
2,756,000,000
EUR
|
2,912,000,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Net defined benefit liability |
36,000,000
EUR
|
142,000,000
EUR
|
— |
| Derivative financial liabilities |
6,526,000,000
EUR
|
2,185,000,000
EUR
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
3,445,000,000
EUR
|
12,946,000,000
EUR
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
99,200,000,000
EUR
|
92,774,000,000
EUR
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
1,656,000,000
EUR
|
1,981,000,000
EUR
|
— |
| Debt instruments issued |
7,774,000,000
EUR
|
8,483,000,000
EUR
|
— |
| Investment contracts liabilities |
5,870,000,000
EUR
|
6,671,000,000
EUR
|
— |
| Items in course of transmission to other banks |
232,000,000
EUR
|
207,000,000
EUR
|
— |
| Other liabilities |
2,535,000,000
EUR
|
2,364,000,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,070,000,000
EUR
|
1,079,000,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
9,640,000,000
EUR
|
8,842,000,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Merger reserve |
17,000,000
EUR
|
17,000,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
151,324,000,000
EUR
|
155,268,000,000
EUR
|
— |
| Liabilities |
139,392,000,000
EUR
|
143,930,000,000
EUR
|
— |
| Assets less current liabilities [abstract] |