Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets and goodwill |
763,097,000
EUR
|
— |
757,435,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
1,002,110,000
EUR
|
— |
1,106,539,000
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, designated upon initial recognition or subsequently |
457,167,000
EUR
|
— |
2,275,832,000
EUR
|
— |
| Financial assets at fair value through profit or loss, mandatorily measured at fair value |
821,695,000
EUR
|
— |
775,937,000
EUR
|
— |
| Financial assets at fair value through profit or loss, classified as held for trading |
4,399,750,000
EUR
|
— |
4,182,372,000
EUR
|
— |
| Financial assets at fair value through other comprehensive income [abstract] | ||||
| Financial assets at fair value through other comprehensive income |
4,769,186,000
EUR
|
— |
4,781,356,000
EUR
|
— |
| Financial assets at amortised cost |
116,596,068,000
EUR
|
— |
110,285,060,000
EUR
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
33,660,024,000
EUR
|
24,289,265,000
EUR
|
24,289,265,000
EUR
|
22,557,484,000
EUR
|
| Miscellaneous assets [abstract] | ||||
| Other assets |
1,034,691,000
EUR
|
— |
1,314,589,000
EUR
|
— |
| Categories of financial liabilities [abstract] | ||||
| Financial liabilities at fair value through profit or loss [abstract] | ||||
| Financial liabilities at fair value through profit or loss that meet definition of held for trading |
5,980,342,000
EUR
|
— |
5,788,811,000
EUR
|
— |
| Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently |
1,506,835,000
EUR
|
— |
1,842,725,000
EUR
|
— |
| Financial liabilities at amortised cost |
141,735,321,000
EUR
|
— |
128,764,416,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | ||||
| Other liabilities |
853,143,000
EUR
|
— |
640,822,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
165,958,871,000
EUR
|
— |
152,199,504,000
EUR
|
— |
| Assets less current liabilities [abstract] |