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 | — |
18 835
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
18 847
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 |
1 906
EUR
|
4 491
EUR
|
3 695
EUR
|
1 560
EUR
|
796,000,000
EUR
|
14,000,000
EUR
|
243,000,000
EUR
|
1 727
EUR
|
756,000,000
EUR
|
3 243
EUR
|
242,000,000
EUR
|
271,000,000
EUR
|
1 545
EUR
|
3 999
EUR
|
4 646
EUR
|
241,000,000
EUR
|
835,000,000
EUR
|
4 629
EUR
|
835,000,000
EUR
|
5 464
EUR
|
71,000,000
EUR
|
5 481
EUR
|
71,000,000
EUR
|
1 531
EUR
|
2 803
EUR
|
1 531
EUR
|
17,000,000
EUR
|
241,000,000
EUR
|
17,000,000
EUR
|
17,000,000
EUR
|
2 786
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |