| Cover | Mar. 13, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Mar. 13, 2024 |
| Entity Registrant Name | ENTRADA THERAPEUTICS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40969 |
| Entity Tax Identification Number | 81-3983399 |
| Entity Address, Address Line One | One Design Center Place |
| Entity Address, Address Line Two | Suite 17-500 |
| Entity Address, City or Town | Boston |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02210 |
| City Area Code | (857) |
| Local Phone Number | 520-9158 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | TRDA |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001689375 |
| Amendment Flag | false |
