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 | — | — | — | — | — | — | — |
165,958,871,000
EUR
|
— | — | — | — | — |
152,199,504,000
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 |
9,234,414,000
EUR
|
820,470,000
EUR
|
11,834,914,000
EUR
|
1,002,283,000
EUR
|
1,632,661,000
EUR
|
3,393,580,000
EUR
|
4,991,797,000
EUR
|
14,288,045,000
EUR
|
11,817,337,000
EUR
|
811,001,000
EUR
|
1,136,645,000
EUR
|
2,619,915,000
EUR
|
4,991,797,000
EUR
|
13,764,983,000
EUR
|
8,443,172,000
EUR
|
1,002,283,000
EUR
|
2,994,112,000
EUR
|
4,991,797,000
EUR
|
10,587,140,000
EUR
|
700,807,000
EUR
|
12,413,358,000
EUR
|
1,125,411,000
EUR
|
1,002,283,000
EUR
|
7,587,171,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |