v3.26.3
Cover - shares
 3 Months Ended
Jun. 30, 2026
Sep. 25, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Securities Act File Number 814-01997  
Entity Registrant Name Robinhood Ventures Fund II  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 41-4754264  
Entity Address, Address Line One 85 Willow Road  
Entity Address, City or Town Menlo Park  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94025  
City Area Code 650  
Local Phone Number 761-7789  
Title of 12(b) Security Common shares of beneficial interest, without par value  
Trading Symbol RVII  
Security Exchange Name NYSE  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   9,066,384
Entity Central Index Key 0002131040  
Current Fiscal Year End Date --03-31  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Amendment Flag false