Employee Benefit Plans (Tables)

3 Months Ended

Oct. 27, 2012

Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]

Summary Of Share-Based Compensation Expense

Share-based compensation expense consists primarily of expenses for stock options, stock purchase rights, restricted stock, and restricted stock units granted to employees. The following table summarizes share-based compensation expense (in millions):

	Three Months Ended
	October 27, 2012			October 29, 2011
Cost of sales - product	$	10		$	13
Cost of sales - service	35			37
Share-based compensation expense in cost of sales	45			50
Research and development	84			101
Sales and marketing	130			142
General and administrative	50			48
Restructuring and other charges	(3		)	—
Share-based compensation expense in operating expenses	261			291
Total share-based compensation expense	$	306		$	341

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of share-based awards available for grant is as follows (in millions):

	Share-Based Awards Available for Grant
BALANCE AT JULY 30, 2011	255
Restricted stock, stock units, and other share-based awards granted	(95	)
Share-based awards canceled/forfeited/expired	64
Other	(6	)
BALANCE AT JULY 28, 2012	218
Restricted stock, stock units, and other share-based awards granted	(23	)
Share-based awards canceled/forfeited/expired	74
Other	(3	)
BALANCE AT OCTOBER 27, 2012	266

Summary Of Restricted Stock And Stock Unit Activity

A summary of the restricted stock and stock unit activity, which includes time-based and performance-based or market-based restricted stock, is as follows (in millions, except per-share amounts):

	Restricted Stock/ Stock Units		Weighted-Average Grant Date Fair Value per Share		Aggregated Fair Market Value
UNVESTED BALANCE AT JULY 30, 2011	116		$	21.50
Granted and assumed	65		17.45
Vested	(35	)	21.94		$	580
Canceled/forfeited	(18	)	20.38
UNVESTED BALANCE AT JULY 28, 2012	128		19.46
Granted and assumed	15		18.03
Vested	(31	)	21.08		$	593
Canceled/forfeited	(3	)	19.62
UNVESTED BALANCE AT OCTOBER 27, 2012	109		$	18.80

Summary Of Stock Option Activity

A summary of the stock option activity is as follows (in millions, except per-share amounts):

	STOCK OPTIONS OUTSTANDING
	Number Outstanding		Weighted-Average Exercise Price per Share
BALANCE AT JULY 30, 2011	621		$	21.79
Assumed from acquisitions	1		2.08
Exercised	(66	)	13.51
Canceled/forfeited/expired	(36	)	23.40
BALANCE AT JULY 28, 2012	520		22.68
Exercised	(8	)	14.21
Canceled/forfeited/expired	(70	)	20.73
BALANCE AT OCTOBER 27, 2012	442		$	23.15

Summary Of Significant Ranges Of Outstanding And Exercisable Stock Options

The following table summarizes significant ranges of outstanding and exercisable stock options as of October 27, 2012 (in millions, except years and share prices):

	STOCK OPTIONS OUTSTANDING						STOCK OPTIONS EXERCISABLE
Range of Exercise Prices	Number Outstanding	Weighted- Average Remaining Contractual Life (in Years)	Weighted- Average Exercise Price per Share		Aggregate Intrinsic Value		Number Exercisable	Weighted- Average Exercise Price per Share		Aggregate Intrinsic Value
$  0.01 – 15.00	8	3.80	$	7.57	$	78	7	$	7.88	$	70
15.01 – 18.00	76	1.90	17.79		2		76	17.79		2
18.01 – 20.00	95	1.10	19.17		—		95	19.17		—
20.01 – 25.00	135	2.66	22.78		—		134	22.78		—
25.01 – 35.00	128	3.84	30.66		—		126	30.70		—
Total	442	2.55	$	23.15	$	80	438	$	23.17	$	72