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 | — | — | — |
8 039,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
7 862,4
EUR
|
— | — | — | — | — | — | — | — | — |
8 198,0
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 |
16,000,000
EUR
|
160,000,000
EUR
|
5,815,000,000
EUR
|
3 013,8
EUR
|
22,000,000
EUR
|
378,000,000
EUR
|
3 013,1
EUR
|
2 531,6
EUR
|
7,000,000
EUR
|
3,800,000,000
EUR
|
2,241,000,000
EUR
|
13,000,000
EUR
|
68,000,000
EUR
|
3,876,000,000
EUR
|
6,000,000
EUR
|
21,000,000
EUR
|
2 807,7
EUR
|
2,218,000,000
EUR
|
378,000,000
EUR
|
112,000,000
EUR
|
4,098,000,000
EUR
|
2 575,6
EUR
|
2 808,3
EUR
|
12,000,000
EUR
|
68,000,000
EUR
|
2 957,2
EUR
|
2,213,000,000
EUR
|
8,000,000
EUR
|
2 955,7
EUR
|
8,000,000
EUR
|
2,358,000,000
EUR
|
2 646,4
EUR
|
2 958,1
EUR
|
2,358,000,000
EUR
|
6,000,000
EUR
|
2,918,000,000
EUR
|
-
EUR
|
378,000,000
EUR
|
101,000,000
EUR
|
2 646,4
EUR
|
101,000,000
EUR
|
16,000,000
EUR
|
16,000,000
EUR
|
68,000,000
EUR
|
2,903,000,000
EUR
|
2,213,000,000
EUR
|
15,000,000
EUR
|
-
EUR
|
-
EUR
|
378,000,000
EUR
|
6,000,000
EUR
|
2 956,6
EUR
|
-
EUR
|
-
EUR
|
-
EUR
|
15,000,000
EUR
|
-
EUR
|
15,000,000
EUR
|
-
EUR
|
-
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |