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Principal accountants' fees and services (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of audit fees and other services [line items] |  |
Auditor's remuneration for comfort letters and attestation services | € 0.5 |
Ernst & Young |  |
Disclosure of audit fees and other services [line items] |  |
Statutory audit of separate and consolidated financial statements | 15.1 | € 14.2
Services other than statutory audit | 5.4 | 1.8
Audit-related services | 5.3 | 1.5
Tax | 0.0 | 0.0
Other | 0.1 | 0.3
Total | € 20.5 | € 16.0
Statutory audit of separate and consolidated financial statements, percentage | 74.00% | 89.00%
Services other than statutory audit, percentage | 26.00% | 11.00%
Total, percentage | 100.00% | 100.00%
Audit of the financial statements of the parent company and its French subsidiaries | € 7.9 | € 7.3
Audit-related services charged to the parent company and its French subsidiaries | 5.2 | 1.4
PricewaterhouseCoopers |  |
Disclosure of audit fees and other services [line items] |  |
Statutory audit of separate and consolidated financial statements | 14.7 | 14.1
Services other than statutory audit | 5.8 | 0.5
Audit-related services | 5.8 | 0.5
Tax | 0.0 | 0.0
Other | 0.0 | 0.0
Total | € 20.5 | € 14.6
Statutory audit of separate and consolidated financial statements, percentage | 72.00% | 97.00%
Services other than statutory audit, percentage | 28.00% | 3.00%
Total, percentage | 100.00% | 100.00%
Audit of the financial statements of the parent company and its French subsidiaries | € 8.3 | € 7.7
Audit-related services charged to the parent company and its French subsidiaries | € 5.3 | € 0.3

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- Definition The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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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- Definition The amount of fees paid or payable to the entity's auditors for tax services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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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