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 | — | — | — | — | — | — | — |
12,054,202,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
11,838,629,000
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 |
5,325,505,000
EUR
|
722,753,000
EUR
|
79,768,000
EUR
|
6,151,179,000
EUR
|
347,416,000
EUR
|
388,753,000
EUR
|
15,241,000
EUR
|
6,873,932,000
EUR
|
954,327,000
EUR
|
7,694,000
EUR
|
388,655,000
EUR
|
3,165,000
EUR
|
347,416,000
EUR
|
49,497,000
EUR
|
4,933,750,000
EUR
|
6,568,010,000
EUR
|
954,327,000
EUR
|
680,205,000
EUR
|
11,694,000
EUR
|
5,887,804,000
EUR
|
5,887,804,000
EUR
|
680,205,000
EUR
|
388,655,000
EUR
|
11,694,000
EUR
|
954,327,000
EUR
|
6,568,010,000
EUR
|
4,933,750,000
EUR
|
3,165,000
EUR
|
49,497,000
EUR
|
347,416,000
EUR
|
228,370,000
EUR
|
954,327,000
EUR
|
284,760,000
EUR
|
347,416,000
EUR
|
4,525,411,000
EUR
|
5,941,023,000
EUR
|
1,280,000
EUR
|
635,726,000
EUR
|
5,305,296,000
EUR
|
7,447,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |