Stockholders' Equity - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions	6 Months Ended
	Jan. 31, 2024 USD ($) $ / shares shares
Number of Shares
Options granted, number of shares (in shares)	0
Employee Stock Option
Number of Shares
Options outstanding, beginning balance (in shares)	2,130
Options granted, number of shares (in shares)	0
Options exercised, number of shares (in shares)	(460)
Options canceled or expired, number of shares (in shares)	(100)
Options outstanding, ending balance (in shares)	1,570
Exercisable (in shares)	855
Weighted- Average Exercise Price Per Share
Weighted average exercise price per share, beginning balance (in dollars per share) | $ / shares	$ 360.17
Options granted, weighted average exercise price per share (in dollars per share) | $ / shares	0
Options exercised, weighted average exercise price per share (in dollars per share) | $ / shares	207.02
Options canceled or expired, weighted average exercise price per share (in dollars per share) | $ / shares	466.02
Weighted average exercise price per share, ending balance (in dollars per share) | $ / shares	398.28
Exercisable, weighted average exercise price per share (in dollars per share) | $ / shares	$ 335.53
Unrecognized compensation cost related to non-vested share based compensation expense | $	$ 90
Expected weighted average vesting period to recognize compensation cost related to share based compensation expense, in years	2 years 9 months 18 days