v3.19.3.a.u2
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 20, 2020
Jun. 30, 2019
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol VTVT    
Entity Registrant Name vTv Therapeutics Inc.    
Entity Central Index Key 0001641489    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Shell Company false    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-37524    
Entity Tax Identification Number 47-3916571    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 3980 Premier Dr    
Entity Interactive Data Current Yes    
Entity Address, Postal Zip Code 27265    
Entity Address, City or Town High Point    
Entity Address, State or Province NC    
Entity Public Float     $ 15,194,030
Title of 12(b) Security Class A Common Stock (Par Value $0.01)    
Security Exchange Name NASDAQ    
City Area Code 336    
Local Phone Number 841-0300    
Entity Address, Address Line Two Suite 310    
Class A Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   42,168,522  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   23,094,221