v3.26.1
Cover
Jun. 11, 2026
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 11, 2026
Entity Registrant Name Opendoor Technologies Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39253
Entity Tax Identification Number 30-1318214
Entity Address, Address Line One 1295 West Washington Street
Entity Address, Address Line Two Suite 115
Entity Address, City or Town Tempe,
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85288
City Area Code 480
Local Phone Number 618-6760
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001801169
Amendment Flag false
Common Stock  
Document Information [Line Items]  
Title of 12(b) Security Common stock, $0.0001 par value per share
Trading Symbol OPEN
Security Exchange Name NASDAQ
Series A Warrants [Member]  
Document Information [Line Items]  
Title of 12(b) Security Series A Warrants, each whole warrant exercisable to purchase one share of common stock at an exercise price of $13.00 per warrant
Trading Symbol OPENL
Security Exchange Name NASDAQ
Series K Warrants [Member]  
Document Information [Line Items]  
Title of 12(b) Security Series K Warrants, each whole warrant exercisable to purchase one share of common stock at an exercise price of $9.00 per warrant
Trading Symbol OPENW
Security Exchange Name NASDAQ
Series Z Warrants [Member]  
Document Information [Line Items]  
Title of 12(b) Security Series Z Warrants, each whole warrant exercisable to purchase one share of common stock at an exercise price of $17.00 per warrant
Trading Symbol OPENZ
Security Exchange Name NASDAQ