v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2017
Nov. 01, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q3  
Trading Symbol VTVT  
Entity Registrant Name vTv Therapeutics Inc.  
Entity Central Index Key 0001641489  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Class A Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   9,693,254
Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   23,119,246