XML 37 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover - USD ($)
$ in Millions
 11 Months Ended
Dec. 31, 2024
Feb. 28, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 39.7
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   37,440,510