| Document And Entity Information | Mar. 28, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 28, 2023 |
| Entity Registrant Name | GreenLight Biosciences Holdings, PBC |
| Entity Central Index Key | 0001822691 |
| Entity Emerging Growth Company | true |
| Securities Act File Number | 001-39894 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 85-1914700 |
| Entity Address, Address Line One | 29 Hartwell Avenue |
| Entity Address, City or Town | Lexington |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02421 |
| City Area Code | (617) |
| Local Phone Number | 616-8188 |
| Entity Information, Former Legal or Registered Name | 200 Boston Avenue, Suite 3100, Medford, Massachusetts 02155 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Common Stock Par Value 0.0001 Per Share [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | GRNA |
| Security Exchange Name | NASDAQ |
| Warrants Each Exercisable For One Share Of Common Stock For 11.50 Per Share [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants, each exercisable for one share of Common Stock for $11.50 per share |
| Trading Symbol | GRNAW |
| Security Exchange Name | NASDAQ |
