XML 12 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Cover Page - shares
 9 Months Ended
Nov. 01, 2025
Dec. 02, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Nov. 01, 2025  
Document Transition Report false  
Entity File Number 001-41140  
Entity Registrant Name SAMSARA INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-3100039  
Entity Address, Address Line One 1 De Haro Street  
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 985-2400  
Title of 12(b) Security Class A Common Stock, $0.0001 par value per share  
Trading Symbol IOT  
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 0001642896  
Amendment Flag false  
Current Fiscal Year End Date --01-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Common Class A    
Cover [Abstract]    
Entity Common Stock, Shares Outstanding   358,191,765
Common Class B    
Cover [Abstract]    
Entity Common Stock, Shares Outstanding   218,812,292
Common Class C    
Cover [Abstract]    
Entity Common Stock, Shares Outstanding   0