v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 12, 2026
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-42636  
Entity Registrant Name EGH ACQUISITION CORP.  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1836055  
Entity Address, Address Line One 7901 4th Street North Suite No. 12820  
Entity Address, City or Town St. Petersburg  
Entity Address State Or Province FL  
Entity Address, Postal Zip Code 33702  
City Area Code 941  
Local Phone Number 274-3811  
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 true  
Entity Central Index Key 0002052547  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Units, each consisting of one Class A Ordinary Share and one Right    
Title of 12(b) Security Units, each consisting of one Class A Ordinary Share and one Right  
Trading Symbol EGHAU  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Title of 12(b) Security Class A Ordinary Shares, par value $0.0001 per share  
Trading Symbol EGHA  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   15,500,000
Rights, each entitling the holder to receive one-tenth (1/10) of one Class A Ordinary Share    
Title of 12(b) Security Rights, each entitling the holder to receive one-tenth (1/10) of one Class AOrdinary Share  
Trading Symbol EGHAR  
Security Exchange Name NASDAQ  
Class B Ordinary Shares    
Entity Common Stock, Shares Outstanding   5,000,000