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Financial liabilities at fair value through profit or loss - Non-trading rerivatives by type (Detail) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of fair value measurement of liabilities [line items] |  |
– Non-trading derivatives | € 2,101 | € 2,019
Other non-trading derivatives |  |
Disclosure of fair value measurement of liabilities [line items] |  |
– Non-trading derivatives | 1,332 | 1,356
- fair value hedges |  |
Disclosure of fair value measurement of liabilities [line items] |  |
– Non-trading derivatives | 79 | 113
- cash flow hedges |  |
Disclosure of fair value measurement of liabilities [line items] |  |
– Non-trading derivatives | 573 | 458
- hedges of net investments in foreign operations |  |
Disclosure of fair value measurement of liabilities [line items] |  |
– Non-trading derivatives | € 117 | € 92

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