v3.22.2.2
Cover - shares
 9 Months Ended
Oct. 31, 2022
Nov. 28, 2022
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 31, 2022  
Document Transition Report false  
Entity File Number 001-39502  
Entity Registrant Name Sumo Logic, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 27-2234444  
Entity Address, Address Line One 305 Main Street  
Entity Address, City or Town Redwood City  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94063  
City Area Code 650  
Local Phone Number 810-8700  
Title of 12(b) Security Common stock, par value $0.0001 per share  
Trading Symbol SUMO  
Security Exchange Name NASDAQ  
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 Common Stock, Shares Outstanding   120,012,539
Amendment Flag false  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0001643269  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --01-31