Cover - shares	9 Months Ended
	Sep. 30, 2024	Nov. 27, 2024
Document Information Line Items
Entity Registrant Name	CORNER GROWTH ACQUISITION CORP. 2
Entity Central Index Key	0001847513
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	true
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Document Period End Date	Sep. 30, 2024
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2024
Entity Ex Transition Period	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, #6183
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
Local Phone Number	268-7868
Document Quarterly Report	true
Document Transition Report	false
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
Entity Common Stock Shares Outstanding		4,927,561
Security 12b Title	Class A ordinary share, par value $0.0001 per Share
Trading Symbol	TRON
Warrant [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
Common Class B [Member]
Document Information Line Items
Entity Common Stock Shares Outstanding		150,000