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Computer Equipment, Software, Furniture, and Leasehold Improvements, Net
 9 Months Ended
Oct. 31, 2023
Property, Plant and Equipment [Abstract]  
Computer Equipment, Software, Furniture, and Leasehold Improvements, Net Computer Equipment, Software, Furniture, and Leasehold Improvements, Net
Computer equipment, software, furniture and equipment, and leasehold improvements, and the related accumulated depreciation were as follows: 
October 31, 2023January 31, 2023
Computer hardware, at cost$115 $126 
Computer software, at cost48 49 
Furniture and equipment, at cost98 94 
Leasehold improvements, land and buildings, at cost356 363 
617 632 
Less: Accumulated depreciation(489)(488)
Computer equipment, software, furniture, and leasehold improvements, net$128 $144