Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
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2024-01-01 to 2024-12-31 |
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As at 2023-12-31 |
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As at 2022-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — |
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| 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 | — | — | — | — | — | — | — | — | — |
19,437,000,000
EUR
|
— | — | — |
18,385,000,000
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 | — | — | — | — | — | — | — | — | — |
16,668,000,000
EUR
|
— | — | — |
15,995,000,000
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 |
46,000,000
EUR
|
1,155,000,000
EUR
|
3,000,000
EUR
|
70,000,000
EUR
|
548,000,000
EUR
|
64,000,000
EUR
|
— |
13,000,000
EUR
|
2,292,000,000
EUR
|
2,769,000,000
EUR
|
—
EUR
|
80,000,000
EUR
|
114,000,000
EUR
|
2,390,000,000
EUR
|
700,000,000
EUR
|
42,000,000
EUR
|
36,000,000
EUR
|
3,000,000
EUR
|
466,000,000
EUR
|
49,000,000
EUR
|
2,000,000
EUR
|
2,324,000,000
EUR
|
—
EUR
|
2,391,000,000
EUR
|
89,000,000
EUR
|
179,000,000
EUR
|
37,000,000
EUR
|
566,000,000
EUR
|
—
EUR
|
3,000,000
EUR
|
255,000,000
EUR
|
3,000,000
EUR
|
2,311,000,000
EUR
|
—
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |