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 |
3 299
EUR
|
— | — | — | — | — | — | — | — | — | — |
3 536
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | |||||||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | |||||||||||||||||||||||||||||||||
| Liabilities |
2 568
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 485
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [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 |
731,000,000
EUR
|
772,000,000
EUR
|
41,000,000
EUR
|
2,000,000
EUR
|
49,000,000
EUR
|
427,000,000
EUR
|
1 148
EUR
|
1 209
EUR
|
30,000,000
EUR
|
30,000,000
EUR
|
1 081
EUR
|
1 051
EUR
|
100,000,000
EUR
|
2,000,000
EUR
|
1 166
EUR
|
39,000,000
EUR
|
482,000,000
EUR
|
1 145
EUR
|
2,000,000
EUR
|
2,000,000
EUR
|
3,000,000
EUR
|
482,000,000
EUR
|
1 142
EUR
|
1,000,000
EUR
|
1 685
EUR
|
21,000,000
EUR
|
-
EUR
|
1 665
EUR
|
40,000,000
EUR
|
20,000,000
EUR
|
21,000,000
EUR
|
1 142
EUR
|
24,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |