| Cover | Sep. 26, 2024 |
| Document Information Line Items | |
| Entity Registrant Name | CORNER GROWTH ACQUISITION CORP. 2 |
| Entity Central Index Key | 0001847513 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | true |
| Document Period End Date | Sep. 26, 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 |
| 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 | 650 |
| Local Phone Number | 543-8180 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Units Each Consisting Of One Class A Ordinary Share Dollar Zero Point Zero Zero Zero One Par Value And Onethird Of One Redeemable Warrant Member | |
| Document Information Line Items | |
| Security 12b Title | Units, each consisting of one Class A Ordinary Share, $0.0001 par value, and one-third of one redeemable warrant |
| Trading Symbol | TRONU |
| Security Exchange Name | NASDAQ |
| Class A Ordinary Shares Member | |
| Document Information Line Items | |
| Security 12b Title | Class A Ordinary Shares included as part of the units |
| Trading Symbol | TRON |
| Security Exchange Name | NASDAQ |
| RedeemableWarrantsIncludedAsPartOfTheUnitsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOfDollarElevenPointFiveZeroMember | |
| Document Information Line Items | |
| Security 12b Title | Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 |
| Trading Symbol | TRONW |
| Security Exchange Name | NASDAQ |
