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Principal accountants' fees and services (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of audit fees and other services [line items] |  |  |
Auditor's remuneration for comfort letters and attestation services |  | € 0.5 |
Forvis Mazars |  |  |
Disclosure of audit fees and other services [line items] |  |  |
Statutory audit of separate and consolidated financial statements | [1] |  | € 15.1
Services other than statutory audit | [2] |  | 5.4
Audit-related services | [3],[4] |  | 5.3
Tax |  |  | 0.0
Other |  |  | 0.1
Total |  |  | € 20.5
Statutory audit of separate and consolidated financial statements, percentage | [1] |  | 74.00%
Percentage Of Auditor Remuneration For Limited Review of Sustainability Statement | [5] |  | 0.00%
Auditors Remuneration for Limited Review of Sustainability Statement | [5] |  | € 0.0
Services other than statutory audit, percentage | [2] |  | 26.00%
Total, percentage |  |  | 100.00%
Audit of the financial statements of the parent company and its French subsidiaries |  |  | € 7.9
Audit-related services charged to the parent company and its French subsidiaries |  |  | 5.2
PricewaterhouseCoopers |  |  |
Disclosure of audit fees and other services [line items] |  |  |
Statutory audit of separate and consolidated financial statements | [1] | 19.7 | 14.7
Services other than statutory audit | [2] | 6.4 | 5.8
Audit-related services | [3],[4] | 6.4 | 5.8
Tax |  | 0.0 | 0.0
Other |  | 0.0 | 0.0
Total |  | € 27.1 | € 20.5
Statutory audit of separate and consolidated financial statements, percentage | [1] | 73.00% | 72.00%
Percentage Of Auditor Remuneration For Limited Review of Sustainability Statement | [5] | 4.00% | 0.00%
Auditors Remuneration for Limited Review of Sustainability Statement | [5] | € 1.0 | € 0.0
Services other than statutory audit, percentage | [2] | 23.00% | 28.00%
Total, percentage |  | 100.00% | 100.00%
Audit of the financial statements of the parent company and its French subsidiaries |  | € 12.5 | € 8.3
Audit-related services charged to the parent company and its French subsidiaries |  | 3.5 | € 3.6
Forvis Mazars |  |  |
Disclosure of audit fees and other services [line items] |  |  |
Statutory audit of separate and consolidated financial statements | [1] | 11.5 |
Services other than statutory audit | [2] | 0.2 |
Audit-related services | [3],[4] | 0.2 |
Tax |  | 0.0 |
Other |  | 0.0 |
Total |  | € 12.3 |
Statutory audit of separate and consolidated financial statements, percentage | [1] | 93.00% |
Percentage Of Auditor Remuneration For Limited Review of Sustainability Statement | [5] | 5.00% |
Auditors Remuneration for Limited Review of Sustainability Statement | [5] | € 0.6 |
Services other than statutory audit, percentage | [2] | 2.00% |
Total, percentage |  | 100.00% |
Audit of the financial statements of the parent company and its French subsidiaries |  | € 4.8 |
Audit-related services charged to the parent company and its French subsidiaries |  | € 0.1 |
[1] | (a)Includes services provided by the independent auditors of the parent company and French subsidiaries: Forvis Mazars €4.8 million in 2024; PricewaterhouseCoopers Audit €12.5 million in 2024, €8.3 million in 2023 and Ernst & Young €7.9 million in 2023.
[2] | (c)Services other than statutory audit provided by Forvis Mazars during 2024 comprised: - assurance engagements, agreed-upon procedures, tax compliance work and technical consultancy. Services other than statutory audit provided by PricewaterhouseCoopers during 2024 comprised: - contractual audits, including on the combined financial statements of the Opella business; - additional procedures to enable reports previously signed by the firm to be incorporated by reference; and - assurance engagements, agreed-upon procedures, tax compliance work and technical consultancy.
[3] | (e)Includes €0.5 million for services that can only be provided by the statutory auditors, such as comfort letters, attestation services required by regulation (which qualify as audit fees under SEC rules).
[4] | (d)Includes services provided by the independent auditors of the parent company and French subsidiaries: Forvis Mazars: €0.1 million in 2024,; PricewaterhouseCoopers Audit €3.5 million in 2024,€3.6 million in 2023 and Ernst & Young €5.2 million in 2023.
[5] | (b)For SEC purposes, these Services are classified as Other.

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