v3.26.1
Stockholders' Equity - Summary of Repurchases Under Share Repurchase Program (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock repurchased $ 27,366 $ 2,692
Share Repurchase Program    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Common stock repurchased (in shares) 11 10
Average price per share (in dollars per share) $ 192.00 $ 273.42
Common stock repurchased $ 2,145 $ 2,681