v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Aug. 02, 2018
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Trading Symbol VTVT  
Entity Registrant Name vTv Therapeutics Inc.  
Entity Central Index Key 0001641489  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Class A Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   11,442,274
Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   23,094,221