Accounting Principles - Royalty certificates liabilities (Details)	Dec. 31, 2023
Royalty Certificate \| Lanifibranor
Disclosure of detailed information about borrowings [line items]
Percentage Of Annual Royalties On Future Sales for Royalty Certificate Holders	2.00%

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.

No definition available.

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration