Analysis Of Income And Expense [Abstract]
| Concept |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Interest income | — | — |
607,229,000
EUR
|
— | — | — | — | — | — | — | — | — |
636,841,000
EUR
|
— | — | — |
| Dividend income | — | — |
22,121,000
EUR
|
— | — | — | — | — | — | — | — | — |
31,282,000
EUR
|
— | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Interest expense | — | — |
1,253,456,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,637,476,000
EUR
|
— | — | — |
| Interest income (expense) | — | — |
3,241,344,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,412,067,000
EUR
|
— | — | — |
| Other operating income (expense) | — | — |
59,782,000
EUR
|
— | — | — | — | — | — | — | — | — |
78,298,000
EUR
|
— | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||
| General and administrative expense | — | — |
2,948,625,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,093,066,000
EUR
|
— | — | — |
| Fee and commission income (expense) [abstract] | ||||||||||||||||
| Fee and commission income [abstract] | ||||||||||||||||
| Fee and commission income | — | — |
2,532,039,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,636,605,000
EUR
|
— | — | — |
| Fee and commission expense [abstract] | ||||||||||||||||
| Fee and commission expense | — | — |
794,167,000
EUR
|
— | — | — | — | — | — | — | — | — |
840,102,000
EUR
|
— | — | — |
| Fee and commission income (expense) | — | — |
1,737,872,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,796,503,000
EUR
|
— | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Classes of employee benefits expense [abstract] | ||||||||||||||||
| Employee benefits expense | — | — |
1,565,507,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,610,041,000
EUR
|
— | — | — |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | ||||||||||||||||
| Depreciation and amortisation expense [abstract] | ||||||||||||||||
| Depreciation and amortisation expense | — | — |
397,496,000
EUR
|
— | — | — | — | — | — | — | — | — |
388,910,000
EUR
|
— | — | — |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | ||||||||||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||||||||||||||
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, attributable to non-controlling interests | — | — |
56,166,000
EUR
|
— | — | — | — | — | — | — | — | — |
31,897,000
EUR
|
— | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — |
40,657,000
EUR
|
— | — | — | — | — | — | — | — | — |
171,198,000
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 | — | — |
8,387,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,306,000
EUR
|
— | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — | — |
2,049,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,328,000
EUR
|
— | — | — |
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — | — |
2,953,000
EUR
|
— | — | — | — | — | — | — | — | — |
9,885,000
EUR
|
— | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — |
1,001,000
EUR
|
— | — | — | — | — | — | — | — | — |
4,510,000
EUR
|
— | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
803,755,000
EUR
|
0
EUR
|
103,167,000
EUR
|
49,685,000
EUR
|
0
EUR
|
53,482,000
EUR
|
750,273,000
EUR
|
0
EUR
|
374,197,000
EUR
|
0
EUR
|
1,601,232,000
EUR
|
1,227,035,000
EUR
|
1,770,693,000
EUR
|
169,462,000
EUR
|
0
EUR
|
0
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
53,482,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,601,232,000
EUR
|
— | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — |
49,685,000
EUR
|
— | — | — | — | — | — | — | — | — |
169,462,000
EUR
|
— | — | — |