| Document and Entity Information | May 29, 2023 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001822691 |
| Document Type | 8-K |
| Document Period End Date | May 29, 2023 |
| Entity Registrant Name | GreenLight Biosciences Holdings, PBC |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39894 |
| Entity Tax Identification Number | 85-1914700 |
| Entity Address, Address Line One | 29 Hartwell Ave |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Common Stock Par Value 0.0001 Per Share [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 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 And Entity Information [Line Items] | |
| Security 12b Title | Warrants, each exercisable for one share of Common Stock for $11.50 per share |
| Trading Symbol | GRNAW |
| Security Exchange Name | NASDAQ |
