Equity Incentive Plans - RSU (Details) - RSUs	3 Months Ended
	Oct. 31, 2022 $ / shares shares
Number of Shares
Outstanding, beginning balance (in shares) | shares	22,136,000
Granted (in shares) | shares	15,060,000
Released (in shares) | shares	(1,903,000)
Forfeited (in shares) | shares	(2,358,000)
Outstanding, ending balance (in shares) | shares	32,935,000
Grant Date Fair Value per Share
Beginning Outstanding (in dollars per share) | $ / shares	$ 29.81
Granted (in dollars per share) | $ / shares	17.95
Released (in dollars per share) | $ / shares	33.68
Forfeited (in dollars per share) | $ / shares	28.89
Ending Outstanding (in dollars per share) | $ / shares	$ 24.24