v3.26.1
Document And Entity Information
 12 Months Ended
Mar. 31, 2026
shares
Document Information [Line Items]  
Entity Central Index Key 0001066130
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Current Fiscal Year End Date --03-31
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Document Transition Report false
Document Shell Company Report false
Entity File Number 000-29870
Entity Registrant Name LINEAR MINERALS CORP.
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One Suite 2421, 1055 West Georgia Street
Entity Address, Address Line Two Vancouver
Entity Address, City or Town British Columbia
Entity Address, Country CA
Entity Address, Postal Zip Code V6E 3P3
Entity Common Stock, Shares Outstanding 84,335,286
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Amendment Flag false
Document Fiscal Period Focus FY
Document Financial Statement Error Correction [Flag] false
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One Suite 2421, 1055 West Georgia Street
Entity Address, Address Line Two Vancouver
Entity Address, City or Town British Columbia
Entity Address, Country CA
Entity Address, Postal Zip Code V6E 3P3
Contact Personnel Name Gurminder Sangha
City Area Code (604)
Local Phone Number 375-6005