v3.22.2.2
Net Income Per Share - Computation of Net Income Per Share Amounts (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Oct. 31, 2022
Jul. 31, 2022
Apr. 30, 2022
Oct. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Oct. 31, 2022
Oct. 31, 2021
Numerator:                
Net income $ 198 $ 186 $ 146 $ 137 $ 115 $ 156 $ 530 $ 408
Denominator:                
Denominator for basic net income per share—weighted average shares (in shares) 216     220     217 220
Effect of dilutive securities (in shares) 1     2     1 2
Denominator for dilutive net income per share (in shares) 217     222     218 222
Basic net income per share (in dollars per share) $ 0.92     $ 0.62     $ 2.44 $ 1.85
Diluted net income per share (in dollars per share) $ 0.91     $ 0.62     $ 2.43 $ 1.84