v3.25.4
Stockholders' Equity - Common Stock (Details) - shares
shares in Millions
Jan. 31, 2026
Jan. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding (in shares) 6 8
Stock available for future grant or issuance (in shares) 87 73
Total shares available for future grant (in shares) 129  
Restricted Stock And Performance Based Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock awards and units and performance-based stock units outstanding (in shares) 25  
2013 Equity Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock available for future grant or issuance (in shares) 87  
2014 Inducement Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock available for future grant or issuance (in shares) 1  
Amended and Restated 2004 Employee Stock Purchase Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock available for future grant or issuance (in shares) 10