Disclosure Of Fair Value Measurement [Text Block]
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As at 2019-12-31 |
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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 | — | — |
57 631,6
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
57 869,0
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 |
248,000,000
EUR
|
12 136,4
EUR
|
34 418,0
EUR
|
99,000,000
EUR
|
6 008,8
EUR
|
1,700,000,000
EUR
|
19 478,9
EUR
|
1 303,9
EUR
|
14 939,1
EUR
|
2,569,000,000
EUR
|
4,716,000,000
EUR
|
4 926,3
EUR
|
16 900,1
EUR
|
9 084,2
EUR
|
4,714,000,000
EUR
|
1,815,000,000
EUR
|
248,000,000
EUR
|
7,435,000,000
EUR
|
1 303,9
EUR
|
3 305,4
EUR
|
25 984,4
EUR
|
271,000,000
EUR
|
9 088,2
EUR
|
16 853,9
EUR
|
1,767,000,000
EUR
|
2,867,000,000
EUR
|
25 942,1
EUR
|
1 303,9
EUR
|
4 339,6
EUR
|
248,000,000
EUR
|
3 383,9
EUR
|
778,000,000
EUR
|
4,711,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |