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 | — | — | — |
31 767
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
32 083
EUR
|
— | — | — | — | — | — | — |
37 710
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 |
22,000,000
EUR
|
293,000,000
EUR
|
930,000,000
EUR
|
3 552
EUR
|
878,000,000
EUR
|
218,000,000
EUR
|
4 430
EUR
|
149,000,000
EUR
|
122,000,000
EUR
|
4 790
EUR
|
717,000,000
EUR
|
149,000,000
EUR
|
22,000,000
EUR
|
940,000,000
EUR
|
218,000,000
EUR
|
4 073
EUR
|
344,000,000
EUR
|
149,000,000
EUR
|
6 401
EUR
|
358,000,000
EUR
|
770,000,000
EUR
|
6 368
EUR
|
6 010
EUR
|
6 057
EUR
|
218,000,000
EUR
|
81,000,000
EUR
|
776,000,000
EUR
|
22,000,000
EUR
|
22,000,000
EUR
|
149,000,000
EUR
|
218,000,000
EUR
|
73,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |