Stockholders' Equity (Tables)

3 Months Ended

Oct. 31, 2022

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
(In millions)	October 31, 2022		October 31, 2021
Cost of revenue	$	86	$	27
Selling and marketing	106		64
Research and development	136		109
General and administrative	94		80
Total share-based compensation expense	$	422	$	280

Summary of share-based awards available for grant

A summary of share-based awards available for grant under our plans for the three months ended October 31, 2022 was as follows:

(Shares in thousands)	Shares Available for Grant
Balance at July 31, 2022	26,260
Restricted stock units granted (1)	(1,051)
Options granted	—
Share-based awards canceled/forfeited/expired (1) (2)	1,556
Balance at October 31, 2022	26,765

(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 under the 2005 Equity Incentive Plan 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. Under the 2005 Equity Incentive Plan, 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 RSU and restricted stock activity for the three months ended October 31, 2022 was as follows:

(Shares in thousands)	Number of Shares	Weighted Average Grant Date Fair Value
Nonvested at July 31, 2022	11,467	$	413.32
Granted	457	434.39
Vested	(688)	359.72
Forfeited	(370)	265.76
Nonvested at October 31, 2022	10,866	$	422.62

Summary of stock option activity

A summary of stock option activity for the three months ended October 31, 2022 was as follows:

	Options Outstanding
(Shares in thousands)	Number of Shares	Weighted Average Exercise Price Per Share
Balance at July 31, 2022	2,292	$	289.62
Granted	—	—
Exercised	(83)	230.71
Canceled or expired	(7)	447.85
Balance at October 31, 2022	2,202	$	291.31
Exercisable at October 31, 2022	1,414	$	214.71