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Structured entities - Additional information (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2013
Disclosure of information about consolidated structured entities [line items] |  |  |
Transfer of financial assets |  |  | € 2,000
Fee income recognised | € 20 | € 19 |
Combined interest and FX rate risk |  |  |
Disclosure of information about consolidated structured entities [line items] |  |  |
Fair value of swap | (11) | (26) |
Financial assets, amounts recognized in income statement | 14 | 14 |
Fee income recognised | 1 | 1 |
Mont Blanc |  |  |
Disclosure of information about consolidated structured entities [line items] |  |  |
Undrawn borrowing facilities | 3,119 | 2,268 |
Borrowing facility | 0 | 0 |
Total for all consolidated structured entities | Securitisations |  |  |
Disclosure of information about consolidated structured entities [line items] |  |  |
Securitisations | 74,000 | 67,000 |
Securitisation, issued externally | Securitisations |  |  |
Disclosure of information about consolidated structured entities [line items] |  |  |
Securitisations | € 4,000 | € 2,000 |

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- Definition The amount, at the time of transfer, of all assets transferred to structured entities. [Refer: Total for all unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 27 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_27_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_25&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement of assets. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_e_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of income from structured entities including recurring and non-recurring fees, interest, dividends, gains or losses on the remeasurement or derecognition of interests in structured entities and gains or losses from the transfer of assets and liabilities to the structured entity. [Refer: Total for all unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 27 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_27_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of borrowings that the entity does not separately disclose in the same statement or note. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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