Stockholders' Equity - Restricted Stock Unit and Restricted Stock Activity (Details) - Restricted Stock Units and Restricted Stock $ / shares in Units, shares in Thousands, $ in Billions	9 Months Ended
	Apr. 30, 2024 USD ($) $ / shares shares
Number of Shares
Nonvested at beginning of period (in shares) | shares	11,894
Granted (in shares) | shares	973
Vested (in shares) | shares	(2,795)
Forfeited (in shares) | shares	(854)
Nonvested at end of period (in shares) | shares	9,218
Weighted- Average Grant Date Fair Value
Nonvested, weighted average grant date fair value, at beginning of period (in dollars per shares) | $ / shares	$ 433.70
Granted, weighted average grant date fair value (in dollars per shares) | $ / shares	586.29
Vested, weighted average grant date fair value (in dollars per shares) | $ / shares	422.04
Forfeited, weighted average grant date fair value (in dollars per shares) | $ / shares	386.31
Nonvested, weighted average grant date fair value, at end of period (in dollars per shares) | $ / shares	$ 457.72
Unrecognized compensation cost related to non-vested RSUs | $	$ 3.6
Weighted average vesting period, in years	2 years 7 months 6 days