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 | — | — |
15,255,500
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
14,155,700
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 |
404,000,000
EUR
|
7,410,300
EUR
|
6,457,000,000
EUR
|
1,417,000,000
EUR
|
8,432,800
EUR
|
7,873,000,000
EUR
|
1,050,400
EUR
|
1,785,200
EUR
|
4,200,000,000
EUR
|
128,000,000
EUR
|
252,000,000
EUR
|
6,085,900
EUR
|
240,000,000
EUR
|
5,249,600
EUR
|
404,000,000
EUR
|
7,301,900
EUR
|
128,000,000
EUR
|
1,172,200
EUR
|
6,673,000,000
EUR
|
1,085,800
EUR
|
8,525,700
EUR
|
1,091,000
EUR
|
4,184,000,000
EUR
|
1,099,400
EUR
|
4,484,000,000
EUR
|
1,326,000
EUR
|
6,168,800
EUR
|
1,509,400
EUR
|
2,181,000,000
EUR
|
4,683,400
EUR
|
4,211,000
EUR
|
–
EUR
|
128,000,000
EUR
|
239,000,000
EUR
|
1,483,000,000
EUR
|
6,665,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |