v3.23.1
Cover - shares
 3 Months Ended
Apr. 30, 2023
May 26, 2023
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2023  
Document Transition Report false  
Entity File Number 001-40531  
Entity Registrant Name SENTINELONE, INC  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 99-0385461  
Entity Address, Address Line One 444 Castro Street, Suite 400  
Entity Address, City or Town Mountain View  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94041  
City Area Code (855)  
Local Phone Number 868-3733  
Title of 12(b) Security Class A common stock, par value $0.0001  
Trading Symbol S  
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  
Current Fiscal Year End Date --01-31  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Central Index Key 0001583708  
Class A    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   238,495,726
Class B    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   53,531,412