v3.22.2.2
Revenue Recognition - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Oct. 31, 2022
USD ($)
category
Oct. 31, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Number of revenue categories | category     3  
Contract with customer, liability, revenue recognized $ 642 $ 569 $ 2,460 $ 2,130
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-11-01 | Period One        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Remaining performance obligation $ 4,680   $ 4,680  
Performance obligation, expected timing of satisfaction 3 years   3 years  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-11-01 | Period Two        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Remaining performance obligation $ 3,140   $ 3,140  
Performance obligation, expected timing of satisfaction 12 months   12 months  
Remaining performance obligation percentage 67.00%   67.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-11-01        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Remaining performance obligation $ 1,540   $ 1,540  
Performance obligation, expected timing of satisfaction    
Remaining performance obligation percentage 33.00%   33.00%  
Minimum        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Subscription payment terms     30 days  
EBA payment terms     30 days  
Maximum        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Subscription payment terms     45 days  
EBA payment terms     60 days