v3.26.1
Cover - USD ($)
 12 Months Ended
Feb. 28, 2026
May 08, 2026
Aug. 31, 2025
Cover [Abstract]      
Entity Registrant Name MINERVA GOLD INC.    
Entity Central Index Key 0001854816    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --02-28    
Entity Well Known Seasoned Issuer No    
Entity Small Business true    
Entity Shell Company false    
Entity Emerging Growth Company true    
Entity Current Reporting Status Yes    
Document Period End Date Feb. 28, 2026    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2026    
Entity Ex Transition Period false    
Entity Common Stock Shares Outstanding   6,570,000  
Entity Public Float     $ 0
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 333-255403    
Entity Incorporation State Country Code NV    
Entity Tax Identification Number 98-1588963    
Entity Address Address Line 1 Room 1503, Building 3, Xinshijihaoyuan    
Entity Address Address Line 2 Jiankang West Road    
Entity Address Address Line 3 Qingjiangpu District    
Entity Address City Or Town Huaian City    
Entity Address Country CN    
Entity Address Postal Zip Code 010000    
City Area Code 86    
Local Phone Number 152614212229    
Entity Interactive Data Current Yes    
Auditor Name Fruci & Associates II, PLLC    
Auditor Firm Id 5525    
Auditor Location Spokane, Washington