v3.26.1
Derivative Instruments - Schedule of Effect of Cash Flow Hedges on Income Statement (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]        
Total revenues $ 2,649 $ 2,348 $ 5,191 $ 4,588
Costs and expenses 2,336 [1] 2,100 [1] 4,540 4,301
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (losses) related to cash flow hedges (2) 6 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (losses) related to cash flow hedges $ (12) $ 8 $ (21) $ 16
[1]
(1) Costs and expenses include share-based compensation expense as follows:
Three Months Ended July 31, Six Months Ended July 31,
2026202520262025
Costs of subscription services$44 $39 $80 $81 
Costs of professional services30 28 56 58 
Product development217 170 401 353 
Sales and marketing93 84 183 177 
General and administrative78 70 151 140 
Restructuring0 0 0 42 
Total share-based compensation expense$462 $391 $871 $851