Disclosure Of Financial Instruments [Text Block]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|
| Disclosure of financial instruments [text block] | — | — | — | — |
| Income, expense, gains or losses of financial instruments [abstract] | ||||
| Gains (losses) on financial instruments [abstract] | ||||
| Other comprehensive income, before tax, gains (losses) from investments in equity instruments | — |
400,000,000.0
EUR
|
— |
76,000,000.0
EUR
|
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income | — |
1,230,000,000.0
EUR
|
— |
541,000,000.0
EUR
|
| Reclassification adjustments on financial assets measured at fair value through other comprehensive income, before tax | — |
302,000,000.0
EUR
|
— |
30,000,000.0
EUR
|
| Gain (loss) arising from derecognition of financial assets measured at amortised cost [abstract] | ||||
| Gains arising from derecognition of financial assets measured at amortised cost | — |
1,000,000.0
EUR
|
— |
1,014,000,000.0
EUR
|
| Losses arising from derecognition of financial assets measured at amortised cost | — |
3,000,000.0
EUR
|
— |
9,000,000.0
EUR
|
| Disclosure of transfers of financial assets [text block] | — | — | — | — |
| Disclosure of transferred financial assets that are not derecognised in their entirety [text block] | — | — | — | — |
| Disclosure of transferred financial assets that are not derecognised in their entirety [abstract] | ||||
| Disclosure of transferred financial assets that are not derecognised in their entirety [line items] | ||||
| Associated liabilities that entity continues to recognise |
97,000,000
EUR
|
— |
729,000,000
EUR
|
— |