v3.26.1
Document and Entity Information - shares
3 Months Ended
Feb. 28, 2026
Apr. 15, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Feb. 28, 2026  
Document Transition Report false  
Entity File Number 001-43162  
Entity Registrant Name Eagle Nuclear Energy Corp.  
Entity Incorporation, State or Country Code NV  
Entity Tax Identification Number 41-3113978  
Entity Address, Address Line One 5470 Kietzke Lane  
Entity Address, Adress Line Two Suite 300  
Entity Address, City or Town Reno  
Entity Address State Or Province NV  
Entity Address, Postal Zip Code 89511  
City Area Code 775  
Local Phone Number 335-2029  
Entity Current Reporting Status No  
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   29,579,313
Entity Central Index Key 0002089283  
Current Fiscal Year End Date --11-30  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Common Stock, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol NUCL  
Security Exchange Name NASDAQ  
Public Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share    
Document Information [Line Items]    
Title of 12(b) Security Public Warrants, each warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share  
Trading Symbol NUCLW  
Security Exchange Name NASDAQ