Stockholders' Equity (Tables)

9 Months Ended

Apr. 30, 2020

Equity [Abstract]

Total share-based compensation expense

The following table summarizes the total share-based compensation expense that we recorded in operating income for the periods shown.

	Three Months Ended				Nine Months Ended
(In millions)	April 30, 2020		April 30, 2019		April 30, 2020		April 30, 2019
Cost of revenue	$	15	$	15	$	44	$	44
Selling and marketing	27		23		86		78
Research and development	36		32		111		101
General and administrative	25		28		80		80
Total share-based compensation expense	$	103	$	98	$	321	$	303

Summary of share-based awards available for grant

A summary of share-based awards available for grant under our 2005 Equity Incentive Plan for the nine months ended April 30, 2020 was as follows:

(Shares in thousands)	Shares Available for Grant
Balance at July 31, 2019	21,058
Restricted stock units granted (1)	(1,517	)
Options granted	—
Share-based awards canceled/forfeited/expired (1) (2)	2,431
Balance at April 30, 2020	21,972

(1) RSUs granted from the pool of shares available for grant under our 2005 Equity Incentive Plan reduce the pool by 2.3 shares for each share granted. RSUs forfeited and returned to the pool of shares available for grant increase the pool by 2.3 shares for each share forfeited.

(2)

Stock options and RSUs canceled, expired or forfeited under our 2005 Equity Incentive Plan are returned to the pool of shares available for grant. Shares withheld for income taxes upon vesting of RSUs that were granted on or after July 21, 2016 are also returned to the pool of shares available for grant. Stock options and RSUs canceled, expired or forfeited under older expired plans are not returned to the pool of shares available for grant

Summary of restricted stock unit activity

A summary of restricted stock unit (RSU) activity for the nine months ended April 30, 2020 was as follows:

	Restricted Stock Units
(Shares in thousands)	Number of Shares		Weighted Average Grant Date Fair Value
Nonvested at July 31, 2019	5,683		$	186.22
Granted	660		262.61
Vested	(1,000	)	165.90
Forfeited	(590	)	149.44
Nonvested at April 30, 2020	4,753		$	205.65

Summary of stock option activity

A summary of stock option activity for the nine months ended April 30, 2020 was as follows:

	Options Outstanding
(Shares in thousands)	Number of Shares		Weighted Average Exercise Price Per Share
Balance at July 31, 2019	3,374		$	150.75
Granted	—		—
Exercised	(790	)	107.07
Canceled or expired	(75	)	183.90
Balance at April 30, 2020	2,509		$	163.50
Exercisable at April 30, 2020	1,791		$	131.47