Disclosure Of Fair Value Measurement [Text Block]
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2024-01-01 to 2024-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — |
B. Fair value of assets and liabilities
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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 | — | — | — | — | — | — | — | — | — |
138,595,000,000
EUR
|
— | — |
150,768,000,000
EUR
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— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — |
128,762,000,000
EUR
|
— | — |
141,391,000,000
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 |
4,528,000,000
EUR
|
4,070,000,000
EUR
|
34,000,000
EUR
|
47,000,000
EUR
|
109,000,000
EUR
|
8,779,000,000
EUR
|
— |
432,000,000
EUR
|
1,007,000,000
EUR
|
9,833,000,000
EUR
|
175,000,000
EUR
|
288,000,000
EUR
|
9,377,000,000
EUR
|
4,147,000,000
EUR
|
35,000,000
EUR
|
4,070,000,000
EUR
|
34,000,000
EUR
|
7,000,000
EUR
|
8,339,000,000
EUR
|
383,000,000
EUR
|
1,004,000,000
EUR
|
6,177,000,000
EUR
|
168,000,000
EUR
|
27,000,000
EUR
|
1,533,000,000
EUR
|
3,569,000,000
EUR
|
79,000,000
EUR
|
24,000,000
EUR
|
5,146,000,000
EUR
|
266,000,000
EUR
|
1,004,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |