Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for decrease (increase) in other assets |
1,995,000,000
EUR
|
3,909,000,000
EUR
|
| Adjustments for increase (decrease) in other liabilities |
779,000,000
EUR
|
5,032,000,000
EUR
|
| Adjustments for increase (decrease) in insurance, reinsurance and investment contract liabilities |
5,156,000,000
EUR
|
5,426,000,000
EUR
|
| Adjustments for increase (decrease) in deposits | — | — |
| Adjustments for increase (decrease) in deposits from customers |
10,000,000
EUR
|
200,000,000
EUR
|
| Adjustments for gains (losses) on fair value adjustment, investment property |
162,000,000
EUR
|
100,000,000
EUR
|
| Adjustments for gains (losses) on change in fair value of derivatives |
2,039,000,000
EUR
|
767,000,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in investments accounted for using equity method |
507,000,000
EUR
|
766,000,000
EUR
|
| Proceeds from sales of investments accounted for using equity method |
259,000,000
EUR
|
971,000,000
EUR
|
| Purchase of investment property |
193,000,000
EUR
|
136,000,000
EUR
|
| Proceeds from sales of investment property |
50,000,000
EUR
|
100,000,000
EUR
|
| Purchase of investments other than investments accounted for using equity method |
76,000,000
EUR
|
107,000,000
EUR
|
| Proceeds from sales of investments other than investments accounted for using equity method |
4,000,000
EUR
|
4,000,000
EUR
|
| Cash flows from (used in) financing activities [abstract] | ||
| Repayments of current borrowings |
500,000,000
EUR
|
600,000,000
EUR
|
| Proceeds from issue of subordinated liabilities |
993,000,000
EUR
|
494,000,000
EUR
|