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 | — | — | — | — | — | — | — |
39 531
EUR
|
— | — | — | — | — | — | — | — |
42 808
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 |
401,000,000
EUR
|
12 349
EUR
|
85,000,000
EUR
|
571,000,000
EUR
|
36,000,000
EUR
|
158,000,000
EUR
|
4 688
EUR
|
12 750
EUR
|
13,000,000
EUR
|
7 695
EUR
|
352,000,000
EUR
|
307,000,000
EUR
|
12 748
EUR
|
85,000,000
EUR
|
377,000,000
EUR
|
12 371
EUR
|
12 748
EUR
|
405,000,000
EUR
|
-
EUR
|
5 371
EUR
|
2 447
EUR
|
230,000,000
EUR
|
4 688
EUR
|
303,000,000
EUR
|
552,000,000
EUR
|
391,000,000
EUR
|
80,000,000
EUR
|
87,000,000
EUR
|
4 686
EUR
|
12 296
EUR
|
346,000,000
EUR
|
1 283
EUR
|
11 950
EUR
|
5 954
EUR
|
252,000,000
EUR
|
137,000,000
EUR
|
22,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |