v3.25.3
Cover - shares
3 Months Ended
Jul. 31, 2025
Dec. 05, 2025
Cover [Abstract]    
Entity Registrant Name DEFENSE TECHNOLOGIES INTERNATIONAL CORP.  
Entity Central Index Key 0001533357  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --04-30  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Jul. 31, 2025  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Entity Common Stock Shares Outstanding   37,531,767
Document Quarterly Report true  
Document Transition Report 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  
Entity Interactive Data Current Yes