Document and Entity Information	6 Months Ended
	Jun. 30, 2023
Document and Entity Information
Document Type	6-K
Document Period End Date	Jun. 30, 2023
Entity Registrant Name	Inventiva S.A.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001756594