v3.25.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2025
Apr. 21, 2025
Entity Listings [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Securities Act File Number 001-39292  
Entity Registrant Name Butterfly Network, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-4618156  
Entity Address, Address Line One 1600 District Avenue  
Entity Address, City or Town Burlington  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01803  
City Area Code 781  
Local Phone Number 557-4800  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001804176  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Class A Common Stock    
Entity Listings [Line Items]    
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Trading Symbol BFLY  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   220,861,993
Warrants to purchase one share of Class A common stock, each at an exercise price of $11.50 per share    
Entity Listings [Line Items]    
Title of 12(b) Security Warrants to purchase one share of Class A common stock, each at an exercise price of $11.50 per share  
Trading Symbol BFLY WS  
Security Exchange Name NYSE  
Class B Common Stock    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   26,426,937