v3.25.2
Cover
Sep. 10, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Sep. 10, 2025
Entity Registrant Name Heartflow, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-42790
Entity Tax Identification Number 26-0506743
Entity Address, Address Line One 331 E. Evelyn Avenue
Entity Address, City or Town Mountain View
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94041
City Area Code 650
Local Phone Number 241-1221
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value per share
Trading Symbol HTFL
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false
Entity Central Index Key 0001464521