v3.26.3
Cover - shares
 3 Months Ended
Sep. 30, 2026
Nov. 09, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2026  
Document Transition Report false  
Entity File Number 001-41106  
Registrant Name Incannex Healthcare Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-2403210  
Entity Address, Address Line One Rialto South Tower  
Entity Address, Address Line Two Level 23, 525 Collins Street  
Entity Address, City or Town Melbourne  
Entity Address, Postal Zip Code 3008  
Entity Address, Country AU  
City Area Code +61  
Local Phone Number 409 840 786  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol IXHL  
Security Exchange Name NASDAQ  
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 Common Stock, Shares Outstanding   12,546,030
Entity Central Index Key 0001873875  
Current Fiscal Year End Date --06-30  
Amendment Flag false  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1