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 | — |
8 730,8
EUR
|
— | — | — | — | — | — | — | — |
9 090,4
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 |
965,000,000
EUR
|
2 786,0
EUR
|
2 616,9
EUR
|
339,000,000
EUR
|
1,003,000,000
EUR
|
662,000,000
EUR
|
697,000,000
EUR
|
2,302,000,000
EUR
|
2,457,000,000
EUR
|
200,000,000
EUR
|
2 866,5
EUR
|
793,000,000
EUR
|
299,000,000
EUR
|
1,003,000,000
EUR
|
2 420,9
EUR
|
2,366,000,000
EUR
|
662,000,000
EUR
|
1,501,000,000
EUR
|
219,000,000
EUR
|
3,931,000,000
EUR
|
1,986,000,000
EUR
|
2 747,6
EUR
|
3 199,2
EUR
|
3,740,000,000
EUR
|
402,000,000
EUR
|
1,216,000,000
EUR
|
1,003,000,000
EUR
|
250,000,000
EUR
|
1,661,000,000
EUR
|
662,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |