Stockholders' Equity - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended
	Apr. 30, 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)	(530)
Options canceled or expired, number of shares (in shares)	(100)
Options outstanding, ending balance (in shares)	1,500
Exercisable (in shares)	837
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	212.37
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	405.32
Exercisable, weighted average exercise price per share (in dollars per share) | $ / shares	$ 348.51
Unrecognized compensation cost related to non-vested share based compensation expense | $	$ 81
Expected weighted average vesting period to recognize compensation cost related to share based compensation expense, in years	2 years 7 months 6 days