Stockholders' Equity (Tables)

6 Months Ended

Jan. 31, 2012

Equity [Abstract]

Total share-based compensation expense

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

	Three Months Ended						Six Months Ended
(In millions, except per share amounts)	January 31, 2012			January 31, 2011			January 31, 2012			January 31, 2011
Cost of revenue	$	2		$	2		$	3		$	3
Selling and marketing	15			12			29			21
Research and development	14			12			26			25
General and administrative	12			12			25			24
Total share-based compensation expense	43			38			83			73
Income tax benefit	(14		)	(13		)	(27		)	(25		)
Decrease in net income	$	29		$	25		$	56		$	48
Decrease in net income per share:
Basic	$	0.10		$	0.08		$	0.19		$	0.15
Diluted	$	0.09		$	0.08		$	0.18		$	0.15

Activity under all share based compensation plans

A summary of activity under all share-based compensation plans for the six months ended January 31, 2012 was as follows:

			Options Outstanding
(Shares in thousands)	Shares Available for Grant		Number of Shares		Weighted Average Exercise Price Per Share
Balance at July 31, 2011	30,716		22,679		$	32.38
Options granted	(238	)	238		48.09
Restricted stock units granted (2)	(965	)	—		—
Options exercised	—		(4,051	)	28.19
Options canceled or expired (1)	264		(267	)	36.45
Restricted stock units forfeited (1)(2)	868		—		—
Balance at January 31, 2012	30,645		18,599		$	33.44
Exercisable at January 31, 2012			11,956		$	29.64

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(1) Stock options and restricted stock units canceled, expired or forfeited under our 2005 Equity Incentive Plan are returned to the pool of shares available for grant. Stock options and restricted stock units canceled, expired or forfeited under older expired plans are not returned to the pool of shares available for grant.

(2) Under the terms of our 2005 Equity Incentive Plan as amended on January 19, 2011, RSUs granted from the pool of shares available for grant on or after November 1, 2010 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.

Summary of restricted stock unit activity

A summary of restricted stock unit activity for the six months ended January 31, 2012 was as follows:

	Restricted Stock Units
(Shares in thousands)	Number of Shares		Weighted Average Grant Date Fair Value
Nonvested at July 31, 2011	11,055		$	37.92
Granted	419		46.57
Vested	(1,678	)	32.79
Forfeited	(377	)	37.42
Nonvested at January 31, 2012	9,419		$	39.24