Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-12-31 |
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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 | — | — | — | — | — | — | — | — | — | — |
96,693,000,000
EUR
|
— | — | — | — | — | — | — | — |
97,292,000,000
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 | — | — | — | — | — | — | — | — | — | — |
88,194,000,000
EUR
|
— | — | — | — | — | — | — | — |
89,356,000,000
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 |
1,077,000,000
EUR
|
2,051,000,000
EUR
|
1,502,000,000
EUR
|
233,000,000
EUR
|
2,453,000,000
EUR
|
953,000,000
EUR
|
481,000,000
EUR
|
5,115,000,000
EUR
|
6,000,000
EUR
|
— |
8,499,000,000
EUR
|
7,422,000,000
EUR
|
230,000,000
EUR
|
1,000,000
EUR
|
203,000,000
EUR
|
1,097,000,000
EUR
|
245,000,000
EUR
|
2,096,000,000
EUR
|
4,594,000,000
EUR
|
7,936,000,000
EUR
|
46,000,000
EUR
|
961,000,000
EUR
|
2,051,000,000
EUR
|
1,502,000,000
EUR
|
26,000,000
EUR
|
6,975,000,000
EUR
|
1,506,000,000
EUR
|
11,000,000
EUR
|
1,113,000,000
EUR
|
7,646,000,000
EUR
|
15,000,000
EUR
|
249,000,000
EUR
|
1,000,000
EUR
|
1,868,000,000
EUR
|
7,824,000,000
EUR
|
8,937,000,000
EUR
|
25,000,000
EUR
|
6,537,000,000
EUR
|
11,000,000
EUR
|
590,000,000
EUR
|
6,537,000,000
EUR
|
182,000,000
EUR
|
4,000,000
EUR
|
7,661,000,000
EUR
|
2,051,000,000
EUR
|
266,000,000
EUR
|
3,744,000,000
EUR
|
845,000,000
EUR
|
1,169,000,000
EUR
|
104,000,000
EUR
|
845,000,000
EUR
|
703,000,000
EUR
|
3,862,000,000
EUR
|
1,502,000,000
EUR
|
4,629,000,000
EUR
|
2,458,000,000
EUR
|
4,630,000,000
EUR
|
10,000,000
EUR
|
7,661,000,000
EUR
|
2,051,000,000
EUR
|
104,000,000
EUR
|
2,051,000,000
EUR
|
104,000,000
EUR
|
845,000,000
EUR
|
14,172,000,000
EUR
|
11,914,000,000
EUR
|
1,502,000,000
EUR
|
2,258,000,000
EUR
|
29,000,000
EUR
|
7,693,000,000
EUR
|
1,735,000,000
EUR
|
1,113,000,000
EUR
|
35,000,000
EUR
|
8,948,000,000
EUR
|
7,835,000,000
EUR
|
5,958,000,000
EUR
|
1,502,000,000
EUR
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |