v3.26.1
Cover - shares
 9 Months Ended
Jan. 31, 2026
Mar. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jan. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name MARWYNN HOLDINGS, INC.  
Entity Central Index Key 0002030522  
Entity File Number 001-42554  
Entity Tax Identification Number 99-1867981  
Entity Incorporation, State or Country Code NV  
Current Fiscal Year End Date --04-30  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Incorporation, Date of Incorporation Feb. 27, 2024  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 12 Chrysler Unit C  
Entity Address, City or Town Irvine  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92618  
Entity Phone Fax Numbers [Line Items]    
City Area Code +1 949  
Local Phone Number 706-9966  
Entity Listings [Line Items]    
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol MWYN  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   20,194,804