Disclosure Of Fair Value Measurement [Text Block]
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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 | — | — | — | — | — | — | — |
12 964,2
EUR
|
— | — | — |
13 872,6
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [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 |
5 043,7
EUR
|
448,000,000
EUR
|
5 061,3
EUR
|
1,326,000,000
EUR
|
6,269,000,000
EUR
|
4,421,000,000
EUR
|
9,540,000,000
EUR
|
5 106,1
EUR
|
5 208,7
EUR
|
539,000,000
EUR
|
8,633,000,000
EUR
|
5 262,6
EUR
|
4 653,2
EUR
|
104,000,000
EUR
|
4,502,000,000
EUR
|
1,320,000,000
EUR
|
146,000,000
EUR
|
146,000,000
EUR
|
-
EUR
|
3,538,000,000
EUR
|
-
EUR
|
7,663,000,000
EUR
|
4 561,9
EUR
|
4 003,5
EUR
|
1,314,000,000
EUR
|
-
EUR
|
639,000,000
EUR
|
360,000,000
EUR
|
1,314,000,000
EUR
|
7,663,000,000
EUR
|
3 967,5
EUR
|
-
EUR
|
3,538,000,000
EUR
|
4 589,9
EUR
|
639,000,000
EUR
|
360,000,000
EUR
|
4 625,9
EUR
|
4 526,0
EUR
|
360,000,000
EUR
|
-
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |