v3.25.4
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Payment terms for deferred revenue 30 days    
Amortization period for capitalized contract costs 5 years    
Average contractual term 2 years    
Commissions capitalized as contract costs $ 245,000,000 $ 186,000,000  
Amortization of contract costs 161,000,000 130,000,000 $ 104,000,000
Advertising expenses 83,000,000 68,000,000 65,000,000
Restricted cash 6,000,000 6,000,000  
Goodwill impairments $ 0 $ 0 $ 0
Capitalized internal-use software costs      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Intangible asset, useful life 3 years    
Minimum      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Contract duration 1 year    
Minimum | RSUs      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Requisite service period 3 years    
Maximum      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Contract duration 5 years    
Maximum | RSUs      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Requisite service period 4 years