v3.26.1
Net Income Per Share - Schedule of Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Numerator:        
Net income $ 632 $ 228 $ 854 $ 296
Weighted-average shares outstanding, basic (in shares) 245,181 266,777 249,464 266,649
Net income per share, basic (in dollars per share) $ 2.58 $ 0.86 $ 3.42 $ 1.11
Denominator:        
Dilutive effect of share-based awards (in shares) 1,126 3,403 774 3,591
Weighted-average shares outstanding, diluted (in shares) 246,307 270,180 250,238 270,240
Net income per share, diluted (in dollars per share) $ 2.57 $ 0.84 $ 3.41 $ 1.09