v3.22.2.2
Computer Equipment, Software, Leasehold Improvements, and Furniture, Net (Details) - USD ($)
$ in Millions
Oct. 31, 2022
Jan. 31, 2022
Property, Plant and Equipment [Line Items]    
Computer software, hardware, leasehold improvements, furniture and equipment, gross $ 621 $ 636
Less: Accumulated depreciation (472) (474)
Computer hardware, software, leasehold improvements, and furniture and equipment, net 149 162
Computer hardware, at cost    
Property, Plant and Equipment [Line Items]    
Computer software, hardware, leasehold improvements, furniture and equipment, gross 124 137
Computer software, at cost    
Property, Plant and Equipment [Line Items]    
Computer software, hardware, leasehold improvements, furniture and equipment, gross 49 55
Leasehold improvements, land and buildings, at cost    
Property, Plant and Equipment [Line Items]    
Computer software, hardware, leasehold improvements, furniture and equipment, gross 356 351
Furniture and equipment, at cost    
Property, Plant and Equipment [Line Items]    
Computer software, hardware, leasehold improvements, furniture and equipment, gross $ 92 $ 93