v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 04, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-35803  
Entity Registrant Name Keenova Therapeutics plc  
Entity Incorporation, State or Country Code L2  
Entity Tax Identification Number 98-1088325  
Entity Address, Address Line One College Business & Technology Park  
Entity Address, Address Line Two Cruiserath  
Entity Address, Address Line Three Blanchardstown  
Entity Address, City or Town Dublin  
Entity Address, Postal Zip Code 15  
Entity Address, Country IE  
Country Region 353  
City Area Code 1  
Local Phone Number 696 0000  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Bankruptcy Proceedings, Reporting Current true  
Entity Common Stock, Shares Outstanding   39,646,277
Entity Central Index Key 0001567892  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false