v3.26.1
Leases and Other Commitments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Jan. 31, 2026
Property, Plant, and Equipment [Line Items]          
Operating lease cost $ 129 $ 149 $ 275 $ 296  
Operating lease commitment balance, including leases not yet commenced 4,200   4,200    
Accrued compensation 2,200   2,200   $ 3,300
Facilities Space          
Property, Plant, and Equipment [Line Items]          
Operating lease commitment balance, including leases not yet commenced $ 3,500   $ 3,500