v3.26.1
Cover Page - shares
 3 Months Ended
Apr. 30, 2026
May 21, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2026  
Document Transition Report false  
Entity File Number 001-39495  
Entity Registrant Name Asana, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 26-3912448  
Entity Address, Address Line One 633 Folsom Street, Suite 100  
Entity Address, City or Town San Francisco  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94107  
City Area Code 415  
Local Phone Number 525-3888  
Title of 12(b) Security Class A Common Stock, $0.00001 par value per share  
Trading Symbol ASAN  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0001477720  
Current Fiscal Year End Date --01-31  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Common Class A    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   160,969,547
Common Class B    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   69,540,280