Note 14 Derivatives Hedge accounting and fair value changes of the hedged items in portfolio hedge of interest rate risk (Details) - EUR (€) € in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of derivative financial instruments held for hedging [Line Items] | ||
| Derivative financial assets held for hedging | € 666 | € 570 |
| Accumulated fair value hedge adjustment on hedged item included in carrying amount, assets | (88) | (87) |
| Derivative financial liabilities held for hedging | 2,102 | 1,933 |
| Accumulated fair value hedge adjustment on hedged item included in carrying amount, liabilities | € 0 | € 0 |
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- Definition Disclosure of derivative financial instruments held for hedging No definition available.
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- Definition The accumulated amount of fair value hedge adjustment on a hedged item that is included in the carrying amount of the hedged item, recognised in the statement of financial position as an asset. [Refer: Hedged items [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The accumulated amount of fair value hedge adjustment on a hedged item that is included in the carrying amount of the hedged item, recognised in the statement of financial position as a liability. [Refer: Hedged items [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of derivative financial assets held for hedging. [Refer: Derivative financial assets] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of derivative financial liabilities held for hedging. [Refer: Derivative financial liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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