Document and Entity Information
Jun. 07, 2022
Cover [Abstract]  
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0001832415
Document Type 8-K
Document Period End Date Jun. 07, 2022
Entity Registrant Name BETTER THERAPEUTICS, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-39864
Entity Tax Identification Number 85-3472546
Entity Address, Address Line One 548 Market Street #49404
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94104
City Area Code (415)
Local Phone Number 887-2311
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock
Trading Symbol BTTX
Entity Emerging Growth Company true
Entity Ex Transition Period false