| Cover | Jan. 25, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 25, 2024 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-40929 |
| Entity Registrant Name | Newcourt Acquisition Corp |
| Entity Central Index Key | 0001849475 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 2201 Broadway |
| Entity Address, Address Line Two | Suite 705 |
| Entity Address, City or Town | Oakland |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94612 |
| City Area Code | 657 |
| Local Phone Number | 271-4617 |
| Written Communications | false |
| 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 |
