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, 2025 USD ($) $ / shares shares
Number of Shares
Nonvested at beginning of period (in shares) | shares	9,573
Granted (in shares) | shares	196
Vested (in shares) | shares	(835)
Forfeited (in shares) | shares	(438)
Nonvested at end of period (in shares) | shares	8,496
Weighted- Average Grant Date Fair Value
Nonvested, weighted average grant date fair value, at beginning of period (in dollars per shares) | $ / shares	$ 577.03
Granted, weighted average grant date fair value (in dollars per shares) | $ / shares	681.65
Vested, weighted average grant date fair value (in dollars per shares) | $ / shares	520.44
Forfeited, weighted average grant date fair value (in dollars per shares) | $ / shares	414.41
Nonvested, weighted average grant date fair value, at end of period (in dollars per shares) | $ / shares	$ 593.39
Unrecognized compensation cost related to non-vested RSUs | $	$ 4.6
Expected weighted average vesting period to recognize compensation cost related to share based compensation expense	2 years 9 months 18 days