Cover - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2025	Nov. 25, 2025	Feb. 28, 2025
Cover [Abstract]
Entity Registrant Name	Lexaria Bioscience Corp.
Entity Central Index Key	0001348362
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--08-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Aug. 31, 2025
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2025
Entity Common Stock Shares Outstanding		22,225,846
Entity Public Float			$ 24.6
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	001-39874
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	20-2000871
Entity Address Address Line 1	#100 – 740 McCurdy Road,
Entity Address City Or Town	Kelowna
Entity Address State Or Province	BC
Entity Address Country	CA
Entity Address Postal Zip Code	V1X 2P7
City Area Code	250
Icfr Auditor Attestation Flag	false
Auditor Name	MaloneBailey, LLP
Auditor Location	Houston, Texas
Auditor Firm Id	206
Local Phone Number	765-6424
Entity Interactive Data Current	Yes
Security 12b Title	Common Stock, Par Value $0.001
Trading Symbol	LEXX
Security Exchange Name	NASDAQ