Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||||
| Revenue [abstract] | ||||||||||||||||||
| Interest income | — |
2 500
EUR
|
— | — | — | — | — | — | — | — | — |
2 426
EUR
|
— | — | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||||
| Interest expense | — |
13 486
EUR
|
— | — | — | — | — | — | — | — | — |
12 278
EUR
|
— | — | — | — | — | — |
| Interest income (expense) | — |
7 594
EUR
|
— | — | — | — | — | — | — | — | — |
7 451
EUR
|
— | — | — | — | — | — |
| Revenue and other operating income | — |
12 084
EUR
|
— | — | — | — | — | — | — | — | — |
11 743
EUR
|
— | — | — | — | — | — |
| Operating expense | — |
5 330
EUR
|
— | — | — | — | — | — | — | — | — |
5 238
EUR
|
— | — | — | — | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||||
| Fee and commission income | — |
4 064
EUR
|
— | — | — | — | — | — | — | — | — |
3 923
EUR
|
— | — | — | — | — | — |
| Fee and commission expense [abstract] | ||||||||||||||||||
| Fee and commission expense | — |
907,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
902,000,000
EUR
|
— | — | — | — | — | — |
| Fee and commission income (expense) | — |
3 157
EUR
|
— | — | — | — | — | — | — | — | — |
3 021
EUR
|
— | — | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||||
| Employee benefits expense | — |
3 106
EUR
|
— | — | — | — | — | — | — | — | — |
2 908
EUR
|
— | — | — | — | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||||
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss | — |
577,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
808,000,000
EUR
|
— | — | — | — | — | — |
| Other expenses, by nature | — |
1 530
EUR
|
— | — | — | — | — | — | — | — | — |
1 206
EUR
|
— | — | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — |
483,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
436,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to exchange differences on translation of foreign operations and hedges of net investments in foreign operations included in other comprehensive income [abstract] | ||||||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
10,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,000,000
EUR
|
— | — | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, before tax [abstract] | ||||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax | — |
5,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — | — |
| Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||||
| Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss | — |
1,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,000,000
EUR
|
— | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income |
6,000,000
EUR
|
4 817
EUR
|
41,000,000
EUR
|
310,000,000
EUR
|
76,000,000
EUR
|
47,000,000
EUR
|
26,000,000
EUR
|
5 037
EUR
|
4 791
EUR
|
381,000,000
EUR
|
10,000,000
EUR
|
4 549
EUR
|
27,000,000
EUR
|
2,000,000
EUR
|
4 905
EUR
|
26,000,000
EUR
|
4 523
EUR
|
14,000,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
4 791
EUR
|
— | — | — | — | — | — | — | — | — |
4 523
EUR
|
— | — | — | — | — | — |