v3.25.4
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 09, 2026
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block]

None.

    
Entity Information [Line Items]      
Entity Registrant Name STELLAR V CAPITAL CORP.    
Entity Central Index Key 0002033593    
Entity File Number 001-42496    
Entity Tax Identification Number 86-2887484    
Entity Incorporation, State or Country Code E9    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 0
Entity Incorporation, Date of Incorporation Jul. 12, 2024    
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 230 Park Avenue    
Entity Address, Address Line Two Suite 1540    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10169    
Entity Phone Fax Numbers [Line Items]      
City Area Code (212)    
Local Phone Number 661-7566    
Units, each consisting of one Class A ordinary share, $0.0001 par value per share, and one-half of one redeemable warrant      
Entity Listings [Line Items]      
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value per share, and one-half of one redeemable warrant    
Trading Symbol SVCCU    
Security Exchange Name NASDAQ    
Class A ordinary shares, $0.0001 par value per share      
Entity Listings [Line Items]      
Title of 12(b) Security Class A ordinary shares, $0.0001 par value per share    
Trading Symbol SVCC    
Security Exchange Name NASDAQ    
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share      
Entity Listings [Line Items]      
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share    
Trading Symbol SVCCW    
Security Exchange Name NASDAQ    
Class A Ordinary Shares      
Entity Listings [Line Items]      
Entity Common Stock, Shares Outstanding   15,555,000  
Class B Ordinary Shares      
Entity Listings [Line Items]      
Entity Common Stock, Shares Outstanding   6,059,925