Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended						9 Months Ended
		Apr. 30, 2022	Jan. 31, 2022	Oct. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Oct. 31, 2020	Apr. 30, 2022	Apr. 30, 2021
Earnings Per Share [Abstract]
Net loss		$ (111,635)	$ (115,061)	$ (419,852)	$ (123,640)	$ (287,390)	$ (265,048)	$ (646,548)	$ (676,078)
Weighted average shares—basic and diluted	[1]	222,473,000			207,715,000			218,888,000	204,407,000
Net loss per share attributable to common stockholders— basic and diluted	[1]	$ (0.50)			$ (0.60)			$ (2.95)	$ (3.31)

[1] Effective January 3, 2022, all of the then outstanding shares of Nutanix, Inc. Class B common stock were automatically converted into the same number of shares of Nutanix, Inc. Class A common stock. See Note 8 for further details.