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] |
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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 | — |
55,153,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
52,406,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [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 | — |
22,789,000,000
EUR
|
71,000,000
EUR
|
19,074,000,000
EUR
|
966,000,000
EUR
|
7,000,000
EUR
|
2,733,000,000
EUR
|
2,701,000,000
EUR
|
922,000,000
EUR
|
3,705,000,000
EUR
|
20,056,000,000
EUR
|
14,000,000
EUR
|
1,980,000,000
EUR
|
1,242,000,000
EUR
|
21,920,000,000
EUR
|
70,000,000
EUR
|
47,000,000
EUR
|
40,000,000
EUR
|
70,000,000
EUR
|
9,000,000
EUR
|
60,000,000
EUR
|
9,000,000
EUR
|
60,000,000
EUR
|
40,000,000
EUR
|
40,000,000
EUR
|
2,369,000,000
EUR
|
2,701,000,000
EUR
|
18,351,000,000
EUR
|
922,000,000
EUR
|
3,619,000,000
EUR
|
19,551,000,000
EUR
|
2,369,000,000
EUR
|
21,960,000,000
EUR
|
2,701,000,000
EUR
|
922,000,000
EUR
|
18,391,000,000
EUR
|
1,242,000,000
EUR
|
47,000,000
EUR
|
3,619,000,000
EUR
|
19,591,000,000
EUR
|
2,701,000,000
EUR
|
16,786,000,000
EUR
|
17,601,000,000
EUR
|
245,000,000
EUR
|
16,541,000,000
EUR
|
245,000,000
EUR
|
922,000,000
EUR
|
1,128,000,000
EUR
|
56,000,000
EUR
|
8,000,000
EUR
|
37,000,000
EUR
|
37,000,000
EUR
|
8,000,000
EUR
|
19,700,000,000
EUR
|
56,000,000
EUR
|
2,344,000,000
EUR
|
245,000,000
EUR
|
1,128,000,000
EUR
|
19,945,000,000
EUR
|
56,000,000
EUR
|
56,000,000
EUR
|
17,356,000,000
EUR
|
2,701,000,000
EUR
|
2,344,000,000
EUR
|
4,003,000,000
EUR
|
922,000,000
EUR
|
4,003,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |