Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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As at 2020-12-31 |
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As at 2019-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||||||||||||||||||||||||||||
| Assets | — |
399,113,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
395,623,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | |||||||||||||||||||||||||||||||||||||||||||
| Liabilities | — |
377,114,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
374,634,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||||||||||||||||||||||||||||
| Equity |
6,093,000,000
EUR
|
21,999,000,000
EUR
|
51,000,000
EUR
|
1,987,000,000
EUR
|
1,231,000,000
EUR
|
1,540,000,000
EUR
|
1,227,000,000
EUR
|
239,000,000
EUR
|
9,000,000
EUR
|
6,000,000
EUR
|
21,994,000,000
EUR
|
12,970,000,000
EUR
|
5,000,000
EUR
|
38,000,000
EUR
|
940,000,000
EUR
|
1,854,000,000
EUR
|
20,989,000,000
EUR
|
45,000,000
EUR
|
940,000,000
EUR
|
36,000,000
EUR
|
6,870,000,000
EUR
|
1,733,000,000
EUR
|
24,000,000
EUR
|
24,000,000
EUR
|
29,000,000
EUR
|
12,970,000,000
EUR
|
1,987,000,000
EUR
|
20,989,000,000
EUR
|
162,000,000
EUR
|
21,471,000,000
EUR
|
20,000,000
EUR
|
81,000,000
EUR
|
2,046,000,000
EUR
|
32,000,000
EUR
|
21,471,000,000
EUR
|
12,970,000,000
EUR
|
1,987,000,000
EUR
|
177,000,000
EUR
|
4,947,000,000
EUR
|
41,000,000
EUR
|
1,419,000,000
EUR
|
1,648,000,000
EUR
|
940,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |