Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Cash flows from (used in) operations before changes in working capital |
4 455
EUR
|
4 033
EUR
|
| Adjustments for increase (decrease) in financial liabilities measured at fair value through profit or loss | — | — |
| Adjustments for increase (decrease) in financial liabilities held for trading |
174,000,000
EUR
|
284,000,000
EUR
|
| Adjustments for decrease (increase) in derivative financial assets |
122,000,000
EUR
|
4,000,000
EUR
|
| Adjustments for increase (decrease) in derivative financial liabilities |
33,000,000
EUR
|
129,000,000
EUR
|
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, loans and advances |
330,000,000
EUR
|
1 069
EUR
|
| Adjustments for undistributed profits of investments accounted for using equity method |
5,000,000
EUR
|
11,000,000
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in investments accounted for using equity method |
18,000,000
EUR
|
10,000,000
EUR
|
| Proceeds from sales of investments accounted for using equity method |
0
EUR
|
0
EUR
|
| Purchase of investment property |
15,000,000
EUR
|
86,000,000
EUR
|
| Proceeds from sales of investment property |
23,000,000
EUR
|
60,000,000
EUR
|
| Purchase of financial instruments, classified as investing activities |
7 931
EUR
|
11 683
EUR
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
9 452
EUR
|
5 019
EUR
|
| Cash flows from (used in) financing activities [abstract] | ||
| Proceeds from sale or issue of treasury shares |
1,000,000
EUR
|
1,000,000
EUR
|
| Proceeds from issue of bonds, notes and debentures |
29,000,000,000
EUR
|
3,000,000,000
EUR
|
| Repayments of bonds, notes and debentures |
24,000,000,000
EUR
|
23,000,000,000
EUR
|