XML 12 R1.htm IDEA: XBRL DOCUMENT v3.24.3
Cover - shares
 8 Months Ended
Sep. 30, 2024
Oct. 31, 2024
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Sep. 30, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name Oruka Therapeutics, Inc.  
Entity Central Index Key 0000907654  
Entity File Number 000-22873  
Entity Tax Identification Number 36-3855489  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 855 Oak Grove Avenue  
Entity Address, Address Line Two Suite 100  
Entity Address, City or Town Menlo Park  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94025  
Entity Phone Fax Numbers [Line Items]    
City Area Code (650)  
Local Phone Number 606-7910  
Entity Listings [Line Items]    
Title of 12(b) Security Common stock, par value $0.001 per share  
Trading Symbol ORKA  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   34,998,550