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Share-based payments - Disclosure of breakdown of the compensation expenses (Details) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items]
Total	€ (84,387)	€ (20,941)	€ (8,605)
BCEs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	0	(112)	(112)
BSAs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	(289)	(211)	0
AGAs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	(35,108)	(19,900)	(8,067)
Social taxes related to AGAs	€ (48,990)	€ (717)	€ (426)

X

- Definition

Expense From Equity-Settled Share-Based Payment Transactions, Social Taxes

+ References

No definition available.

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X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- References

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-Paragraph 51
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-URIDate 2025-03-27

+ Details

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- References

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
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-IssueDate 2025-01-01
-Paragraph 34
-Subparagraph a
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