v3.25.3
Cover - shares
 9 Months Ended
Sep. 30, 2025
Nov. 06, 2025
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 Sep. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name KEEN VISION ACQUISITION CORPORATION  
Entity Central Index Key 0001889983  
Entity File Number 001-41753  
Entity Tax Identification Number 00-0000000  
Entity Incorporation, State or Country Code D8  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 37 Greenbriar Drive  
Entity Address, City or Town Summit  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 07901  
Entity Phone Fax Numbers [Line Items]    
City Area Code (203)  
Local Phone Number 609-1394  
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   9,238,421
Units, each consisting of one ordinary share and one redeemable warrant to acquire one ordinary share    
Entity Listings [Line Items]    
Title of 12(b) Security Units, each consisting of one ordinary share and one redeemable warrant to acquire one ordinary share  
Trading Symbol KVACU  
Security Exchange Name NASDAQ  
Ordinary Shares, $0.0001 par value    
Entity Listings [Line Items]    
Title of 12(b) Security Ordinary Shares, $0.0001 par value  
Trading Symbol KVAC  
Security Exchange Name NASDAQ  
Warrants    
Entity Listings [Line Items]    
Title of 12(b) Security Warrants  
Trading Symbol KVACW  
Security Exchange Name NASDAQ