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 | — | — | — |
19,020,522,000
EUR
|
— | — | — | — | — | — | — |
17,676,517,000
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 |
11,310,000
EUR
|
24,164,000
EUR
|
697,000
EUR
|
6,377,063,000
EUR
|
113,907,000
EUR
|
4,907,712,000
EUR
|
1,463,112,000
EUR
|
5,434,000
EUR
|
100,074,000
EUR
|
4,913,951,000
EUR
|
32,617,000
EUR
|
6,002,456,000
EUR
|
129,000
EUR
|
32,964,000
EUR
|
113,907,000
EUR
|
23,375,000
EUR
|
0
EUR
|
1,368,824,000
EUR
|
0
EUR
|
4,547,922,000
EUR
|
40,597,000
EUR
|
8,673,000
EUR
|
4,633,633,000
EUR
|
59,938,000
EUR
|
33,251,000
EUR
|
3,943,016,000
EUR
|
5,235,003,000
EUR
|
1,620,000
EUR
|
126,000
EUR
|
113,907,000
EUR
|
31,050,000
EUR
|
24,458,000
EUR
|
3,957,229,000
EUR
|
1,277,774,000
EUR
|
12,682,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |