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 | — | — | — |
13,036,324,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
14,911,660,000
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 |
-
EUR
|
315,746,000
EUR
|
927,684,000
EUR
|
3,693,477,000
EUR
|
123,334,000
EUR
|
573,000
EUR
|
2,990,383,000
EUR
|
1,844,765,000
EUR
|
703,094,000
EUR
|
24,803,000
EUR
|
146,000
EUR
|
2,086,788,000
EUR
|
-
EUR
|
774,192,000
EUR
|
31,099,000
EUR
|
17,562,000
EUR
|
4,125,787,000
EUR
|
146,000
EUR
|
19,744,000
EUR
|
-
EUR
|
50,843,000
EUR
|
2,182,000
EUR
|
-
EUR
|
-
EUR
|
3,560,000
EUR
|
1,892,145,000
EUR
|
4,899,979,000
EUR
|
264,903,000
EUR
|
114,263,000
EUR
|
-
EUR
|
372,000
EUR
|
-
EUR
|
-
EUR
|
2,646,792,000
EUR
|
51,653,000
EUR
|
-
EUR
|
319,044,000
EUR
|
500,608,000
EUR
|
2,698,445,000
EUR
|
1,895,445,000
EUR
|
67,510,000
EUR
|
-
EUR
|
55,000
EUR
|
850,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |