Disclosure Of Fair Value Measurement [Text Block]
| Concept |
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As at 2020-12-31 |
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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 | — | — |
20 049
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
16 792
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 |
232,000,000
EUR
|
5 467
EUR
|
8 851
EUR
|
1 786
EUR
|
3,000,000
EUR
|
5 982
EUR
|
23,000,000
EUR
|
421,000,000
EUR
|
1 170
EUR
|
112,000,000
EUR
|
645,000,000
EUR
|
1 588
EUR
|
4 985
EUR
|
106,000,000
EUR
|
14,000,000
EUR
|
1 588
EUR
|
1 786
EUR
|
4 439
EUR
|
919,000,000
EUR
|
286,000,000
EUR
|
1 153
EUR
|
1 170
EUR
|
7 304
EUR
|
12,000,000
EUR
|
1 789
EUR
|
6 462
EUR
|
454,000,000
EUR
|
274,000,000
EUR
|
21,000,000
EUR
|
756,000,000
EUR
|
10,000,000
EUR
|
1 588
EUR
|
9 625
EUR
|
111,000,000
EUR
|
1 170
EUR
|
6 757
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |