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Audit fees (Tables) | 12 Months Ended
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Dec. 31, 2023
Auditor fees [abstract] |
Summary of audit and non-audit services |
Fees of Group’s auditors
in EUR million | 2023 | 2022 | 2021
Audit fees | 29 | 27 | 27
Audit related fees | 1 |  |
Total 1 | 30 | 27 | 27
1 The Group’s auditors did not provide any non-audit services.

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- Definition The disclosure of additional information that is not presented elsewhere in the financial statements, but that is relevant to an understanding of them. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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