Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
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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 | — | — |
111,139,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
111,418,000,000
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 | — | — |
96,967,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
97,644,000,000
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 |
3,847,000,000
EUR
|
3,640,000,000
EUR
|
14,172,000,000
EUR
|
845,000,000
EUR
|
11,914,000,000
EUR
|
2,051,000,000
EUR
|
2,258,000,000
EUR
|
29,000,000
EUR
|
1,502,000,000
EUR
|
2,219,000,000
EUR
|
4,143,000,000
EUR
|
11,555,000,000
EUR
|
1,502,000,000
EUR
|
1,141,000,000
EUR
|
260,000,000
EUR
|
2,978,000,000
EUR
|
2,051,000,000
EUR
|
13,774,000,000
EUR
|
3,931,000,000
EUR
|
11,221,000,000
EUR
|
2,260,000,000
EUR
|
2,663,000,000
EUR
|
95,000,000
EUR
|
13,481,000,000
EUR
|
2,051,000,000
EUR
|
979,000,000
EUR
|
1,502,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |