Document and Entity Information - shares	9 Months Ended
	Jan. 31, 2020	Mar. 12, 2020
Registrant CIK	0001533357
Fiscal Year End	--04-30
Registrant Name	DEFENSE TECHNOLOGIES INTERNATIONAL CORP.
SEC Form	10-Q
Period End date	Jan. 31, 2020
Tax Identification Number (TIN)	99-0363802
Number of common stock shares outstanding		8,441,062
Filer Category	Non-accelerated Filer
Current with reporting	Yes
Interactive Data Current	Yes
Shell Company	false
Small Business	true
Emerging Growth Company	true
Ex Transition Period	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-54851
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	2683 Via De La Valle
Entity Address, Address Line Two	Suite G418
Entity Address, City or Town	Del Mar
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92014
City Area Code	(800)
Local Phone Number	520-9485
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Preferred Class A
Preferred Stock, Shares Outstanding		2,925,369
Preferred Class B
Preferred Stock, Shares Outstanding		520,000