Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2022-03-31 |
As at 2022-03-31 |
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As at 2021-03-31 |
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As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
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As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2020-03-31 |
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As at 2020-03-31 |
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As at 2020-03-31 |
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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 | — | — | — | — | — | — | — | — |
5,613,600
EUR
|
— | — | — |
5,195,300
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | |||||||||||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | |||||||||||||||||||||||||||||
| Liabilities | — | — | — | — | — | — | — | — |
3,151,500
EUR
|
— | — | — |
2,668,100
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [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 |
1,438,000,000
EUR
|
2,462,100
EUR
|
86,000,000
EUR
|
213,000,000
EUR
|
85,000,000
EUR
|
3,647,000,000
EUR
|
17,000,000
EUR
|
2,264,100
EUR
|
2,462,100
EUR
|
421,000,000
EUR
|
653,000,000
EUR
|
2,296,400
EUR
|
2,527,200
EUR
|
3,574,000,000
EUR
|
97,000,000
EUR
|
311,000,000
EUR
|
42,000,000
EUR
|
2,523,000
EUR
|
20,000,000
EUR
|
36,000,000
EUR
|
2,355,800
EUR
|
18,000,000
EUR
|
2,359,400
EUR
|
1,288,000,000
EUR
|
56,000,000
EUR
|
291,000,000
EUR
|
219,000,000
EUR
|
3,471,000,000
EUR
|
2,184,700
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |