Disclosure Of Fair Value Measurement [Text Block]
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2023-01-01 to 2023-12-31 |
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| Disclosure of fair value measurement [text block] |
15 Financial assets and liabilities by fair value hierarchy
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — |
18,739,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
23,642,000,000
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 | — |
10,240,000,000
EUR
|
— | — | — | — | — | — | — | — | — |
15,905,000,000
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 | — |
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
|
67,000,000
EUR
|
73,000,000
EUR
|
3,046,000,000
EUR
|
3,031,000,000
EUR
|
7,670,000,000
EUR
|
2,182,000,000
EUR
|
13,665,000,000
EUR
|
1,138,000,000
EUR
|
12,830,000,000
EUR
|
54,000,000
EUR
|
34,000,000
EUR
|
12,131,000,000
EUR
|
73,000,000
EUR
|
1,534,000,000
EUR
|
2,768,000,000
EUR
|
3,046,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |