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 | — |
30 485,2
EUR
|
— | — | — | — | — | — | — | — |
32 218,4
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 |
640,000,000
EUR
|
6 171,4
EUR
|
1 662,0
EUR
|
2 052,2
EUR
|
1 379,6
EUR
|
2,600,000,000
EUR
|
2,000,000
EUR
|
4 509,4
EUR
|
69,000,000
EUR
|
1 408,7
EUR
|
6 239,1
EUR
|
387,000,000
EUR
|
1 691,1
EUR
|
1 804,7
EUR
|
45,000,000
EUR
|
1 379,6
EUR
|
165,000,000
EUR
|
4 548,0
EUR
|
1 408,7
EUR
|
147,000,000
EUR
|
40,000,000
EUR
|
1 993,2
EUR
|
6,052,000,000
EUR
|
3,863,000,000
EUR
|
3 811,9
EUR
|
22,000,000
EUR
|
1,030,000,000
EUR
|
3 425,6
EUR
|
343,000,000
EUR
|
9,663,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |