v3.26.1
Net Income Per Share - Schedule of Basic and Diluted Net Loss Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Denominator:    
Weighted-average shares outstanding, basic (in shares) 176,129 174,172
Net income per share, basic (in dollars per share) $ 0.42 $ 0.36
Denominator:    
Weighted-average shares outstanding, basic (in shares) 176,129 174,172
Weighted-average effect of diluted securities related to:    
Number of shares used in diluted calculation 177,699 181,754
Net income (loss) per share, diluted (in dollars per share) $ 0.42 $ 0.35
Class A    
Numerator:    
Net income, basic $ 71 $ 59
Denominator:    
Weighted-average shares outstanding, basic (in shares) 168,442 166,332
Net income per share, basic (in dollars per share) $ 0.42 $ 0.36
Numerator:    
Net income, basic $ 71 $ 59
Interest and other 0 1
Reallocation of net income as a result of assumed conversion of Class B to Class A common shares 3 3
Net income (loss), diluted $ 74 $ 63
Denominator:    
Weighted-average shares outstanding, basic (in shares) 168,442 166,332
Weighted-average effect of diluted securities related to:    
Employee share-based awards (in shares) 743 2,625
Convertible senior notes (in shares) 627 4,170
Assumed conversion of Class B to Class A common shares (in shares) 7,887 8,627
Number of shares used in diluted calculation 177,699 181,754
Net income (loss) per share, diluted (in dollars per share) $ 0.42 $ 0.35
Class B    
Numerator:    
Net income, basic $ 3 $ 3
Denominator:    
Weighted-average shares outstanding, basic (in shares) 7,687 7,840
Net income per share, basic (in dollars per share) $ 0.42 $ 0.36
Numerator:    
Net income, basic $ 3 $ 3
Interest and other 0 0
Reallocation of net income as a result of assumed conversion of Class B to Class A common shares 0 0
Net income (loss), diluted $ 3 $ 3
Denominator:    
Weighted-average shares outstanding, basic (in shares) 7,687 7,840
Weighted-average effect of diluted securities related to:    
Employee share-based awards (in shares) 200 787
Convertible senior notes (in shares) 0 0
Assumed conversion of Class B to Class A common shares (in shares) 0 0
Number of shares used in diluted calculation 7,887 8,627
Net income (loss) per share, diluted (in dollars per share) $ 0.42 $ 0.35