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 | — | — | — | — | — | — | — | — | — |
11 050,5
EUR
|
— | — | — | — | — |
9 881,1
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 |
7 732,1
EUR
|
109,000,000
EUR
|
52,000,000
EUR
|
7 380,1
EUR
|
538,000,000
EUR
|
1,348,000,000
EUR
|
4,637,000,000
EUR
|
376,000,000
EUR
|
496,000,000
EUR
|
7 391,0
EUR
|
1,003,000,000
EUR
|
6 568,1
EUR
|
78,000,000
EUR
|
1,330,000,000
EUR
|
1,387,000,000
EUR
|
6 575,9
EUR
|
496,000,000
EUR
|
6 917,0
EUR
|
1,003,000,000
EUR
|
5,088,000,000
EUR
|
495,000,000
EUR
|
538,000,000
EUR
|
880,000,000
EUR
|
496,000,000
EUR
|
49,000,000
EUR
|
5 469,8
EUR
|
4,652,000,000
EUR
|
5 474,7
EUR
|
1,003,000,000
EUR
|
523,000,000
EUR
|
538,000,000
EUR
|
5 792,6
EUR
|
970,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |