v3.25.2
Cover - USD ($)
 12 Months Ended
Apr. 30, 2025
Sep. 25, 2025
Oct. 31, 2024
Cover [Abstract]      
Entity Registrant Name DEFENSE TECHNOLOGIES INTERNATIONAL CORP.    
Entity Central Index Key 0001533357    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --04-30    
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 Apr. 30, 2025    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Entity Common Stock Shares Outstanding   37,531,767  
Entity Public Float     $ 194,068
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 000-54851    
Entity Incorporation State Country Code DE    
Entity Tax Identification Number 99-0363802    
Entity Address Address Line 1 2683 Via De La Valle    
Entity Address Address Line 2 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    
Security 12g Title Common Stock, $0.0001 par value    
Entity Interactive Data Current Yes    
Entity Incorporation Date Of Incorporation May 27, 1998    
Auditor Name Fruci & Associates II, PLLC    
Auditor Firm Id 5525    
Auditor Location Spokane, Washington