Cover Page - shares	9 Months Ended
	Sep. 30, 2024	Nov. 06, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	001-36697
Entity Registrant Name	DBV TECHNOLOGIES S.A.
Entity Incorporation, State or Country Code	I0
Entity Address, Country	FR
Entity Address, Address Line One	107 Av. de la République
Entity Address, Postal Zip Code	92320
Entity Address, City or Town	Châtillon
Country Region	+33
Local Phone Number	1 55 42 78 78
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		96,501,526
Entity Central Index Key	0001613780
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false
American Depositary Share
Document Information [Line Items]
Title of 12(b) Security	American Depositary Shares, each representing one ordinary share, nominal value €0.10 per share
Trading Symbol	DBVT
Security Exchange Name	NASDAQ
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Ordinary shares, nominal value €0.10 per share*
No Trading Symbol Flag	true
Security Exchange Name	NASDAQ