Document and Entity Information - shares
 3 Months Ended
May 31, 2020
Jul. 20, 2020
Document and Entity Information:    
Entity Registrant Name Fortem Resources Inc.  
Entity Central Index Key 0001382231  
Document Type 10-Q  
Document Period End Date May 31, 2020  
Amendment Flag false  
Current Fiscal Year End Date --02-28  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business Flag true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   122,571,156
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2021