v3.25.4
Restructuring - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2026
Jul. 31, 2025
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Restructuring Cost and Reserve [Line Items]          
Restructuring [1]     $ 303 $ 84 $ 0
Fiscal 2026 Restructuring Plan          
Restructuring Cost and Reserve [Line Items]          
Percent of positions eliminated   7.50%      
Restructuring and related costs     233    
Restructuring     168 65  
Fiscal 2026 Restructuring Plan | Office Space Reduction and Other Long-Lived Assets          
Restructuring Cost and Reserve [Line Items]          
Restructuring and related costs     37    
Restructuring     37 0  
Fiscal 2026 Restructuring Plan | Workforce Reduction          
Restructuring Cost and Reserve [Line Items]          
Restructuring and related costs     196    
Restructuring     131 65  
Fiscal 2027 Restructuring Plan          
Restructuring Cost and Reserve [Line Items]          
Restructuring and related costs     135    
Restructuring     135    
Fiscal 2027 Restructuring Plan | Forecast          
Restructuring Cost and Reserve [Line Items]          
Percent of positions eliminated 2.00%        
Fiscal 2027 Restructuring Plan | Office Space Reduction and Other Long-Lived Assets          
Restructuring Cost and Reserve [Line Items]          
Restructuring and related costs     80    
Restructuring     80    
Fiscal 2027 Restructuring Plan | Workforce Reduction          
Restructuring Cost and Reserve [Line Items]          
Restructuring and related costs     55    
Restructuring     $ 55    
Other Restructuring Plan | Office Space Reduction and Other Long-Lived Assets          
Restructuring Cost and Reserve [Line Items]          
Restructuring       $ 19  
[1] Costs and expenses include share-based compensation expense as follows:
 Year Ended January 31,
 202620252024
Costs of subscription services$156 $145 $120 
Costs of professional services111 114 116 
Product development690 670 653 
Sales and marketing344 310 282 
General and administrative269 272 245 
Restructuring56 8 0 
Total share-based compensation expense$1,626 $1,519 $1,416