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 | — |
14 622,5
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
14 261,1
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 |
522,000,000
EUR
|
7 846,1
EUR
|
2,000,000
EUR
|
1,139,000,000
EUR
|
7 170,1
EUR
|
286,000,000
EUR
|
119,000,000
EUR
|
1 173,2
EUR
|
1,338,000,000
EUR
|
1,815,000,000
EUR
|
7,568,000,000
EUR
|
7 834,1
EUR
|
131,000,000
EUR
|
1,138,000,000
EUR
|
7 324,8
EUR
|
444,000,000
EUR
|
4,451,000,000
EUR
|
2,000,000
EUR
|
32,000,000
EUR
|
4,448,000,000
EUR
|
1 128,3
EUR
|
142,000,000
EUR
|
6 307,8
EUR
|
7,037,000,000
EUR
|
1,335,000,000
EUR
|
4,853,000,000
EUR
|
7 310,7
EUR
|
71,000,000
EUR
|
7,305,000,000
EUR
|
5 712,6
EUR
|
6 211,0
EUR
|
148,000,000
EUR
|
260,000,000
EUR
|
38,000,000
EUR
|
347,000,000
EUR
|
717,000,000
EUR
|
6 197,3
EUR
|
(0,0)
EUR
|
260,000,000
EUR
|
1 108,0
EUR
|
1,333,000,000
EUR
|
137,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |