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 | — |
19,485,316,000
EUR
|
— | — | — | — | — | — | — | — |
19,156, 644
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 |
231,140,000
EUR
|
11,220,909,000
EUR
|
8,322,739,000
EUR
|
1, 251,789
EUR
|
347,416,000
EUR
|
19,688,000
EUR
|
9,969,120,000
EUR
|
541,331,000
EUR
|
54,13 7
EUR
|
954,3 27
EUR
|
8,323,019,000
EUR
|
205,455,000
EUR
|
1,047,033,000
EUR
|
7,305,000,000
EUR
|
347,41 6
EUR
|
18,206,000
EUR
|
7,275, 986
EUR
|
28,954,000
EUR
|
1,136,050,000
EUR
|
954,3 27
EUR
|
954,327,000
EUR
|
5, 937,454
EUR
|
6,362,949,000
EUR
|
1,456,756,000
EUR
|
25,528,000
EUR
|
327,822,000
EUR
|
5,461, 640
EUR
|
901, 309
EUR
|
18,507,000
EUR
|
34 7,416
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |