v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 12, 2026
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 Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name JAGUAR URANIUM CORP.  
Entity Central Index Key 0002039273  
Entity File Number 001-43094  
Entity Tax Identification Number 00-0000000  
Entity Incorporation, State or Country Code A1  
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 true  
Entity Ex Transition Period false  
Entity Address, Address Line One 3-1136 Centre Street  
Entity Address, Address Line Two Thornhill  
Entity Address, City or Town Ontario  
Entity Address, Country CA  
Entity Address, Postal Zip Code L4J 3M8  
City Area Code (416)  
Local Phone Number 648-4065  
Title of 12(b) Security Class A common shares, no par value  
Trading Symbol JAGU  
Security Exchange Name NYSEAMER  
Entity Common Stock, Shares Outstanding   20,193,777