Disclosure Of Fair Value Measurement [Text Block]
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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 | — | — | — | — | — | — | — | — | — |
17,307,000,000
EUR
|
— |
18,739,000,000
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 | — | — | — | — | — | — | — | — | — |
8,153,000,000
EUR
|
— |
10,240,000,000
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 |
73,000,000
EUR
|
53,000,000
EUR
|
6,780,000,000
EUR
|
3,046,000,000
EUR
|
79,000,000
EUR
|
1,010,000,000
EUR
|
9,074,000,000
EUR
|
— |
127,000,000
EUR
|
9,154,000,000
EUR
|
5,000,000
EUR
|
8,499,000,000
EUR
|
6,618,000,000
EUR
|
79,000,000
EUR
|
60,000,000
EUR
|
73,000,000
EUR
|
3,046,000,000
EUR
|
1,026,000,000
EUR
|
8,438,000,000
EUR
|
337,000,000
EUR
|
14,000,000
EUR
|
7,737,000,000
EUR
|
93,000,000
EUR
|
9,499,000,000
EUR
|
172,000,000
EUR
|
73,000,000
EUR
|
67,000,000
EUR
|
3,046,000,000
EUR
|
3,031,000,000
EUR
|
7,670,000,000
EUR
|
2,182,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |