Cover Page - shares	6 Months Ended
	Jun. 30, 2022	Aug. 04, 2022
Document Information [Line Items]
Document Type	10-Q
Entity Registrant Name	GreenLight Biosciences Holdings, PBC
Amendment Flag	false
Entity Central Index Key	0001822691
Document Quarterly Report	true
Document Transition Report	false
Current Fiscal Year End Date	--12-31
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity File Number	001-39894
Entity Tax Identification Number	85-1914700
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	200 Boston Avenue
Entity Address, City or Town	Medford
Entity Address, State or Province	MA
City Area Code	617
Local Phone Number	616-8188
Entity Address, Postal Zip Code	02155
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	GRNA
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		123,690,166
Warrants [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