v3.25.2
Cover Page - shares
6 Months Ended
Jun. 30, 2025
Jul. 29, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
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   136,973,697
Entity Central Index Key 0001613780  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
American Depositary Share    
Document Information [Line Items]    
Title of 12(b) Security American Depositary Shares, each representing five ordinary shares, 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