v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 04, 2025
Document Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-40143  
Entity Registrant Name Better Home & Finance Holding Company  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-3029990  
Entity Address, Address Line One 285 Fulton Street  
Entity Address, Address Line Two 80th Floor  
Entity Address, Address Line Three Suite A  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10007  
City Area Code 415  
Local Phone Number 522-8837  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Central Index Key 0001835856  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Common Class A    
Document Entity Information    
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Trading Symbol BETR  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   9,350,264
Warrants    
Document Entity Information    
Title of 12(b) Security Warrants exercisable for one share of Class A common stock at an exercise price of $575.00  
Trading Symbol BETRW  
Security Exchange Name NASDAQ  
Common Class B    
Document Entity Information    
Entity Common Stock, Shares Outstanding   4,503,553
Common Class C    
Document Entity Information    
Entity Common Stock, Shares Outstanding   1,437,545