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Shareholders' Equity - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Jan. 31, 2026
Feb. 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares available for grant (in shares) 17.6  
Authorized amount   $ 5,000
Remaining authorized amount $ 3,000  
Time-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 1 year  
Compensation cost not yet recognized $ 135  
Compensation cost not yet recognized, period for recognition 1 year 9 months 18 days  
Time-based | Tranche One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting rights, percentage 33.00%  
Time-based | Tranche Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting rights, percentage 33.00%  
Time-based | Tranche Three    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting rights, percentage 33.00%  
Market-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation cost not yet recognized $ 13  
Compensation cost not yet recognized, period for recognition 1 year 7 months 6 days  
Incentive period 3 years  
Granted shares, target percentage 100.00%  
Performance-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation cost not yet recognized $ 8  
Compensation cost not yet recognized, period for recognition 2 years  
Granted shares, target percentage 100.00%  
Minimum | Market-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance target 0.00%  
Minimum | Performance-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance target 0.00%  
Maximum | Market-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance target 150.00%  
Maximum | Performance-based    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Performance target 150.00%