v3.25.4
Summary of Business and Significant Accounting Policies - Narrative (Details)
12 Months Ended
Jan. 31, 2026
USD ($)
segment
Jan. 31, 2025
USD ($)
Jan. 31, 2024
USD ($)
Concentration Risk [Line Items]      
Number of operating segments | segment 1    
Capitalized contract cost, amortization term (in years) 4 years    
Capitalized contract cost, renewals and success fees, amortization term (in years) 2 years    
Impairments of costs to obtain revenue contracts $ 0 $ 0  
Advertising expense $ 800,000,000 1,000,000,000.0 $ 1,100,000,000
Stock options and restricted stock      
Concentration Risk [Line Items]      
Vesting period (in years) 4 years    
Foreign currency derivative contracts | Derivatives not designated as hedging instruments      
Concentration Risk [Line Items]      
Notional amount of foreign currency derivative contracts $ 11,900,000,000 $ 10,700,000,000  
Assets | Geographic concentration risk | Non-US      
Concentration Risk [Line Items]      
Concentration risk percentage 16.00% 17.00%  
Assets | Geographic concentration risk | United States      
Concentration Risk [Line Items]      
Concentration risk percentage 82.00% 81.00%  
Strategic investments | Investment concentration risk | Two privately held investments      
Concentration Risk [Line Items]      
Concentration risk percentage 35.00%    
Strategic investments | Investment concentration risk | Four privately held investments      
Concentration Risk [Line Items]      
Concentration risk percentage   24.00%