| Cover | Mar. 02, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 02, 2023 |
| Entity File Number | 001-40598 |
| Entity Registrant Name | JATT Acquisition Corp |
| Entity Central Index Key | 0001855644 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | PO Box 309, Ugland House |
| Entity Address, City or Town | Grand Cayman |
| Entity Address, Country | KY |
| Entity Address, Postal Zip Code | E9 KY1-1104 |
| City Area Code | +44 |
| Local Phone Number | 7706 732212 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Ordinary Shares [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A Ordinary Shares |
| Trading Symbol | JATT |
| Security Exchange Name | NYSE |
| Warrants [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants |
| Trading Symbol | JATT WS |
| Security Exchange Name | NYSE |
| Units [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units |
| Trading Symbol | JATT U |
| Security Exchange Name | NYSE |
