Document and Entity Information - shares	6 Months Ended
	Nov. 30, 2021	Jan. 04, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Nov. 30, 2021
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Trading Symbol	TLRY
Entity Registrant Name	TILRAY, INC.
Entity Central Index Key	0001731348
Current Fiscal Year End Date	--05-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		466,522,611
Title of 12(b) Security	Class 2 Common Stock, $0.0001 par value per share
Entity File Number	001-38594
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-4310622
Entity Interactive Data Current	Yes
Security Exchange Name	NASDAQ
Entity Address, Address Line One	655 Madison Avenue
Entity Address, Address Line Two	Suite 1900
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10065
City Area Code	844
Local Phone Number	845-7291
Entity Bankruptcy Proceedings, Reporting Current	true
Document Quarterly Report	true
Document Transition Report	false