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 | — | — | — |
26,714,500
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
15,184,300
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 |
2,637,400
EUR
|
12,608,800
EUR
|
7,271,000,000
EUR
|
16,162,000
EUR
|
1,000,000
EUR
|
6,000,000
EUR
|
1,496,000,000
EUR
|
16,149,100
EUR
|
129,000,000
EUR
|
5,000,000
EUR
|
8,767,000,000
EUR
|
1,758,000,000
EUR
|
4,159,900
EUR
|
155,000,000
EUR
|
124,000,000
EUR
|
6,707,200
EUR
|
1,758,000,000
EUR
|
2,086,000,000
EUR
|
424,000,000
EUR
|
2,658,000,000
EUR
|
6,722,700
EUR
|
2,637,400
EUR
|
19,000,000
EUR
|
4,000,000
EUR
|
6,606,600
EUR
|
140,000,000
EUR
|
3,626,000,000
EUR
|
1,733,000,000
EUR
|
5,605,000,000
EUR
|
2,637,400
EUR
|
6,620,600
EUR
|
3,430,800
EUR
|
140,000,000
EUR
|
102,000,000
EUR
|
1,758,000,000
EUR
|
5,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |