Document and Entity Information
Jun. 07, 2022
Document And Entity Information [Line Items]  
Security Exchange Name NASDAQ
Entity Address, Country FR
Entity Tax Identification Number 00-0000000
Amendment Flag false
Entity Central Index Key 0001613780
Document Type 8-K
Document Period End Date Jun. 07, 2022
Entity Registrant Name DBV Technologies S.A.
Entity Incorporation State Country Code I0
Entity File Number 001-36697
Entity Address, Address Line One 177-181 avenue Pierre Brossolette
Entity Address, Postal Zip Code 92120
Entity Address, City or Town Montrouge
City Area Code 33
Local Phone Number 1 55 42 78 78
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Fair Value Measured at Net Asset Value Per Share [Member]  
Document And Entity Information [Line Items]  
Security Exchange Name NASDAQ
Security 12b Title Ordinary shares, nominal value €0.10 per share
Adr [Member]  
Document And Entity Information [Line Items]  
Security Exchange Name NASDAQ
Security 12b Title American Depositary Shares, each representing one- half of one ordinary share, nominal value €0.10 per share
Trading Symbol DBVT