v3.24.1.1.u2
Restructuring - Summary of Restructuring Activities (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Restructuring Reserve [Roll Forward]    
Charges [1],[2] $ 8 $ 711
The Plan    
Restructuring Reserve [Roll Forward]    
Liability, beginning of the period 120 607
Charges 8 711
Payments (70) (320)
Non-cash items (1) (384)
Liability, end of the period 57 614
The Plan | Workforce Reduction    
Restructuring Reserve [Roll Forward]    
Liability, beginning of the period 118 607
Charges 8 344
Payments (68) (320)
Non-cash items (1) (17)
Liability, end of the period 57 614
The Plan | Office Space Reductions    
Restructuring Reserve [Roll Forward]    
Liability, beginning of the period 2 0
Charges 0 367
Payments (2) 0
Non-cash items 0 (367)
Liability, end of the period $ 0 $ 0
[1] Amounts include amortization of intangible assets acquired through business combinations, as follows:
Three Months Ended April 30,
20242023
Cost of revenues$238 $248 
Sales and marketing223 223 
[2] Amounts include stock-based compensation expense, as follows:
 Three Months Ended April 30,
 20242023
Cost of revenues$119 $103 
Research and development260 241 
Sales and marketing290 263 
General and administrative81 73 
Restructuring 0 16