v3.26.1
Stockholders' Equity - Schedule of Stock Option Activity (Details)
$ / shares in Units, $ in Millions
 6 Months Ended 12 Months Ended
Jul. 31, 2026
USD ($)
$ / shares
shares
Jan. 31, 2026
USD ($)
$ / shares
shares
Number of shares    
Options outstanding, beginning balance (in shares) | shares 15,134,876  
Options granted (in shares) | shares 128,705  
Options exercised (in shares) | shares (105,992)  
Options forfeited/cancelled (in shares) | shares (235,140)  
Options outstanding, ending balance (in shares) | shares 14,922,449 15,134,876
Options vested and exercisable (in shares) | shares 9,464,222  
Options vested and exercisable and expected to vest thereafter (in shares) | shares 14,922,449  
Weighted average exercise price    
Options outstanding, beginning balance (in usd per share) | $ / shares $ 181.99  
Options granted (in usd per share) | $ / shares 174.30  
Options exercised (in usd per share) | $ / shares 161.73  
Options forfeited/cancelled (in usd per share) | $ / shares 213.64  
Options outstanding, ending balance (in usd per share) | $ / shares 181.57 $ 181.99
Options vested and exercisable (in usd per share) | $ / shares 159.94  
Options vested and exercisable and expected to vest thereafter (in usd per share) | $ / shares $ 181.57  
Weighted average remaining contractual term (in years), options outstanding 5 years 8 months 12 days 6 years 3 months 18 days
Weighted average remaining contractual term (in years), options vested and exercisable 4 years 6 months  
Weighted average remaining contractual term (in years), options vested and exercisable and expected to vest thereafter 5 years 8 months 12 days  
Aggregate intrinsic value (in millions)    
Options outstanding | $ $ 521 $ 523
Options vested and exercisable | $ 503  
Options vested and exercisable and expected to vest thereafter | $ $ 521