Disclosure Of Fair Value Measurement [Text Block]
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As at 2021-12-31 |
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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 |
21 756
EUR
|
— | — | — | — | — | — |
22 029
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 |
4 360
EUR
|
1 905
EUR
|
785,000,000
EUR
|
1 588
EUR
|
245,000,000
EUR
|
163,000,000
EUR
|
3 575
EUR
|
4 612
EUR
|
790,000,000
EUR
|
1 573
EUR
|
1 830
EUR
|
244,000,000
EUR
|
175,000,000
EUR
|
3 822
EUR
|
1 560
EUR
|
1 575
EUR
|
3 364
EUR
|
343,000,000
EUR
|
1 906
EUR
|
346,000,000
EUR
|
12,000,000
EUR
|
12,000,000
EUR
|
243,000,000
EUR
|
4 491
EUR
|
343,000,000
EUR
|
12,000,000
EUR
|
3 695
EUR
|
1 560
EUR
|
796,000,000
EUR
|
14,000,000
EUR
|
243,000,000
EUR
|
793,000,000
EUR
|
3,000,000
EUR
|
14,000,000
EUR
|
4 157
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |