Stockholders' Equity - Schedule of Restricted Stock Unit Activity (Details) - Restricted Stock Units and Restricted Stock $ / shares in Units, shares in Thousands, $ in Billions	3 Months Ended
	Oct. 31, 2024 USD ($) $ / shares shares
Number of Shares
Nonvested at beginning of period (in shares) | shares	10,924
Granted (in shares) | shares	394
Vested (in shares) | shares	(895)
Forfeited (in shares) | shares	(746)
Nonvested at end of period (in shares) | shares	9,677
Weighted- Average Grant Date Fair Value
Nonvested, weighted average grant date fair value, at beginning of period (in dollars per shares) | $ / shares	$ 496.64
Granted, weighted average grant date fair value (in dollars per shares) | $ / shares	636.48
Vested, weighted average grant date fair value (in dollars per shares) | $ / shares	483.74
Forfeited, weighted average grant date fair value (in dollars per shares) | $ / shares	416.46
Nonvested, weighted average grant date fair value, at end of period (in dollars per shares) | $ / shares	$ 509.71
Unrecognized compensation cost related to non-vested RSUs | $	$ 4.5
Weighted average vesting period, in years	2 years 10 months 24 days