Employee Benefit Plans (Tables)

6 Months Ended

Jan. 23, 2016

Compensation and Retirement Disclosure [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					Six Months Ended
	January 23, 2016			January 24, 2015		January 23, 2016		January 24, 2015
Cost of sales—product	$	16		$	11	$	29	$	22
Cost of sales—service	35			34		73		71
Share-based compensation expense in cost of sales	51			45		102		93
Research and development	107			105		221		224
Sales and marketing	126			114		265		261
General and administrative	47			42		104		101
Restructuring and other charges	(1		)	2		14		(2		)
Share-based compensation expense in operating expenses	279			263		604		584
Total share-based compensation expense	$	330		$	308	$	706	$	677
Income tax benefit for share-based compensation	$	103		$	85	$	198	$	179

Summary Of Share-Based Awards Available For Grant

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

	Share-Based Awards Available for Grant
BALANCE AT JULY 26, 2014	310
Restricted stock, stock units, and other share-based awards granted	(101	)
Share-based awards canceled/forfeited/expired	40
Shares withheld for taxes and not issued	27
BALANCE AT JULY 25, 2015	276
Restricted stock, stock units, and other share-based awards granted	(64	)
Share-based awards canceled/forfeited/expired	18
Shares withheld for taxes and not issued	23
Other	2
BALANCE AT JANUARY 23, 2016	255

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 units, is as follows (in millions, except per-share amounts):

	Restricted Stock/ Stock Units		Weighted-Average Grant Date Fair Value per Share		Aggregate Fair  Value
UNVESTED BALANCE AT JULY 26, 2014	149		$	19.54
Granted and assumed	67		25.29
Vested	(57	)	19.82		$	1,517
Canceled/forfeited	(16	)	20.17
UNVESTED BALANCE AT JULY 25, 2015	143		22.08
Granted and assumed	43		24.80
Vested	(40	)	20.24		$	1,050
Canceled/forfeited	(9	)	22.57
UNVESTED BALANCE AT JANUARY 23, 2016	137		$	23.45

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 26, 2014	187		$	26.03
Assumed from acquisitions	1		2.60
Exercised	(71	)	21.15
Canceled/forfeited/expired	(14	)	29.68
BALANCE AT JULY 25, 2015	103		28.68
Assumed from acquisitions	5		2.07
Exercised	(20	)	21.63
Canceled/forfeited/expired	(10	)	29.00
BALANCE AT JANUARY 23, 2016	78		$	28.75

Summary Of Significant Ranges Of Outstanding And Exercisable Stock Options

The following table summarizes significant ranges of outstanding and exercisable stock options as of January 23, 2016 (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 – 20.00	7	6.2	$	3.32	$	135	4	$	4.01	$	70
$ 20.01 – 25.00	2	0.9	23.02		1		2	23.02		1
$ 25.01 – 30.00	10	0.7	26.82		—		10	26.82		—
$ 30.01 – 35.00	59	0.6	32.16		—		59	32.16		—
Total	78	1.1	$	28.75	$	136	75	$	29.83	$	71

Schedule of Assumptions Used

The assumptions for the valuation of time-based RSUs and PRSUs are summarized as follows:

	RESTRICTED STOCK UNITS						PERFORMANCE RESTRICTED STOCK UNITS
Three Months Ended	January 23, 2016			January 24, 2015			January 23, 2016			January 24, 2015
Number of shares granted (in millions)	27			1			1			1
Grant date fair value per share	$	25.25		$	25.07		$	25.32		$	25.39
Weighted-average assumptions/inputs:
Expected dividend yield	3.1		%	2.8		%	3.1		%	2.8		%
Range of risk-free interest rates	0.1% – 1.2%			0.0% – 1.6%			0.0% – 1.2%			0.0% – 1.6%
Range of expected volatilities for index	N/A			N/A			15.3% – 54.3%			14.4% – 63.7%

	RESTRICTED STOCK UNITS						PERFORMANCE RESTRICTED STOCK UNITS
Six Months Ended	January 23, 2016			January 24, 2015			January 23, 2016			January 24, 2015
Number of shares granted (in millions)	36			11			5			7
Grant date fair value per share	$	24.93		$	23.34		$	24.71		$	23.70
Weighted-average assumptions/inputs:
Expected dividend yield	3.1		%	3.0		%	3.2		%	3.0		%
Range of risk-free interest rates	0.0% – 1.2%			0.0% – 1.8%			0.0% – 1.2%			0.0% – 1.8%
Range of expected volatilities for index	N/A			N/A			15.3% – 54.3%			14.4% – 70.0%