Note 6 Changes in impaired financial assets and guarantees given (Details) - EUR (€) € in Millions |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Changes in impaired assets and guarantees given [Line Items] | ||||
| Impaired financial assets and guarantees given at the beginning | € 14,900 | € 14,891 | ||
| Additions Of Impaired Assets | 7,453 | 13,143 | ||
| Decrease of impaired assets | [1] | (3,611) | (6,893) | |
| Increase (decrease) in financial assets | 3,842 | 6,250 | ||
| Decrease through write-off, financial assets | (2,510) | (4,534) | ||
| Increase (decrease) through foreign exchange and other movements, financial assets | (292) | (1,708) | ||
| Impaired financial assets and guarantees given at the end | € 15,940 | € 14,900 | ||
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| X | ||||||||||
- Definition Additions Of Impaired Assets No definition available.
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| X | ||||||||||
- Definition Changes in impaired assets and guarantees given No definition available.
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| X | ||||||||||
- Definition Decrease of impaired assets No definition available.
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| X | ||||||||||
- Definition Impaired financial assets and guarantees given at the beginning No definition available.
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| X | ||||||||||
- Definition The decrease in financial assets resulting from write-off. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The increase (decrease) in financial assets. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The increase (decrease) in financial assets resulting from foreign exchange and other movements. [Refer: Financial assets] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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