v3.25.2
Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Jul. 01, 2025
Jun. 30, 2024
Document Information Line Items      
Entity Registrant Name CORNER GROWTH ACQUISITION CORP. 2    
Entity Central Index Key 0001847513    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Well Known Seasoned Issuer No    
Entity Small Business true    
Entity Shell Company true    
Entity Emerging Growth Company true    
Entity Current Reporting Status Yes    
Document Period End Date Dec. 31, 2024    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2024    
Entity Ex Transition Period false    
Entity Common Stock Shares Outstanding   4,490,048  
Entity Public Float     $ 0
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 001-40510    
Entity Incorporation State Country Code E9    
Entity Tax Identification Number 98-1582723    
Entity Address Address Line 1 418 Broadway, #6592    
Entity Address Address Line 2 #6592    
Entity Address City Or Town Albany    
Entity Address State Or Province NY    
Entity Address Postal Zip Code 12207    
City Area Code 347    
Icfr Auditor Attestation Flag false    
Auditor Name Bush & Associates CPA LLC    
Auditor Location Henderson, Nevada    
Auditor Firm Id 6797    
Local Phone Number 268-7868    
Entity Interactive Data Current Yes    
Capital Units      
Document Information Line Items      
Security 12b Title Units, each consisting of one Class A Ordinary Share and one-third of one redeemable warrant    
Trading Symbol TRONU    
Class A Ordinary Share [Member]      
Document Information Line Items      
Security 12b Title Class A Ordinary Shares, par value $0.0001 per share    
Trading Symbol TRON    
Warrants [Member]      
Document Information Line Items      
Security 12b Title Warrants, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50    
Trading Symbol TRONW