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 | — | — |
3,875,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,431,300,000
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 |
47,400,000
EUR
|
2,814,500,000
EUR
|
2,978,800,000
EUR
|
3,900,000
EUR
|
2,978,400,000
EUR
|
24,400,000
EUR
|
400,000
EUR
|
30,800,000
EUR
|
160,000,000
EUR
|
2,582,300,000
EUR
|
3,500,000
EUR
|
24,700,000
EUR
|
2,723,700,000
EUR
|
160,000,000
EUR
|
38,000,000
EUR
|
19,700,000
EUR
|
24,400,000
EUR
|
2,727,200,000
EUR
|
2,633,700,000
EUR
|
160,000,000
EUR
|
600,000
EUR
|
2,646,300,000
EUR
|
600,000
EUR
|
2,646,900,000
EUR
|
-
EUR
|
-
EUR
|
4,500,000
EUR
|
-
EUR
|
24,400,000
EUR
|
2,634,300,000
EUR
|
4,500,000
EUR
|
12,600,000
EUR
|
-
EUR
|
12,600,000
EUR
|
2,518,500,000
EUR
|
-
EUR
|
12,600,000
EUR
|
57,000,000
EUR
|
24,400,000
EUR
|
57,000,000
EUR
|
7,700,000
EUR
|
7,700,000
EUR
|
-
EUR
|
160,000,000
EUR
|
2,531,100,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |