Document and Entity Information	6 Months Ended
	Feb. 28, 2022 shares
Cover [Abstract]
Entity Registrant Name	Enertopia Corporation
Entity Central Index Key	0001346022
Document Period End Date	Feb. 28, 2022
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-51866
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	20-1970188
Entity Address, Address Line One	#18 1873 Spall Road
Entity Address, City or Town	Kelowna
Entity Address, Postal Zip Code	V1Y 4R2
City Area Code	250
Local Phone Number	870-2219
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding	155,116,088
Entity Filer Category	Non-accelerated Filer
Current Fiscal Year End Date	--08-31
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Address, State or Province	BC