v3.25.2
Document and Entity Information
Sep. 18, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Sep. 18, 2025
Entity Registrant Name UNITY BIOTECHNOLOGY, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-38470
Entity Tax Identification Number 26-4726035
Entity Address Address Line 1 124 Washington Street
Entity Address Address Line 2 Suite 101
Entity Address City Or Town Foxborough
Entity Address State Or Province MA
Entity Address Postal Zip Code 02035
City Area Code 508
Local Phone Number 543-1720
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.0001 per share
Trading Symbol UNBX
Security Exchange Name NONE
Entity Emerging Growth Company false
Entity Central Index Key 0001463361
Amendment Flag false