Employee Benefit Plans (Tables)

12 Months Ended

Jul. 30, 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):

Years Ended	July 30, 2016		July 25, 2015			July 26, 2014
Cost of sales—product	$	70	$	50		$	45
Cost of sales—service	142		157			150
Share-based compensation expense in cost of sales	212		207			195
Research and development	470		448			411
Sales and marketing	545		559			549
General and administrative	205		228			198
Restructuring and other charges	26		(2		)	(5		)
Share-based compensation expense in operating expenses	1,246		1,233			1,153
Total share-based compensation expense	$	1,458	$	1,440		$	1,348
Income tax benefit for share-based compensation	$	429	$	373		$	324

Summary Of Share-Based Awards Available For Grant

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

Years Ended	July 30, 2016		July 25, 2015		July 26, 2014
Balance at beginning of fiscal year	276		310		228
Restricted stock, stock units, and other share-based awards granted	(96	)	(101	)	(98	)
Share-based awards canceled/forfeited/expired	30		40		36
Additional shares reserved	—		—		135
Shares withheld for taxes and not issued	30		27		6
Other	2		—		3
Balance at end of fiscal year	242		276		310

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 27, 2013	143		$	18.80
Granted and assumed	72		20.85
Vested	(53	)	19.55		$	1,229
Canceled/forfeited	(13	)	18.61
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	70		25.69
Vested	(54	)	20.68		$	1,428
Canceled/forfeited	(14	)	22.86
UNVESTED BALANCE AT JULY 30, 2016	145		$	24.26

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 27, 2013	276		$	24.44
Assumed from acquisitions	6		3.60
Exercised	(78	)	18.30
Canceled/forfeited/expired	(17	)	27.53
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	18		5.17
Exercised	(32	)	19.22
Canceled/forfeited/expired	(16	)	30.01
BALANCE AT JULY 30, 2016	73		$	26.78

Summary Of Significant Ranges Of Outstanding And Exercisable Stock Options

The following table summarizes significant ranges of outstanding and exercisable stock options as of July 30, 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	14	6.9	$	5.68	$	346	5	$	5.28	$	127
$ 20.01 – 25.00	1	0.5	23.38		6		1	23.38		6
$ 25.01 – 30.00	4	0.6	27.23		12		4	27.23		12
$ 30.01 – 35.00	54	0.1	32.16		—		54	32.16		—
Total	73	1.4	$	26.78	$	364	64	$	29.66	$	145

Schedule of Assumptions Used

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

	RESTRICTED STOCK UNITS
Years Ended	July 30, 2016			July 25, 2015			July 26, 2014
Number of shares granted (in millions)	57			55			56
Grant date fair value per share	$	26.01		$	25.30		$	20.61
Weighted-average assumptions/inputs:
Expected dividend yield	3.2		%	2.9		%	3.1		%
Range of risk-free interest rates	0.0% – 1.2%			0.0% – 1.8%			0.0% – 1.7%

	PERFORMANCE BASED RESTRICTED STOCK UNITS
Years Ended	July 30, 2016			July 25, 2015			July 26, 2014
Number of shares granted (in millions)	5			11			7
Grant date fair value per share	$	24.70		$	24.85		$	21.90
Weighted-average assumptions/inputs:
Expected dividend yield	3.1		%	3.0		%	3.0		%
Range of risk-free interest rates	0.0% – 1.2%			0.0% – 1.8%			0.0% – 1.7%
Range of expected volatilities for index	15.3% – 54.3%			14.3% – 70.0%			14.2% – 70.5%

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

The assumptions for the valuation of employee stock purchase rights are summarized as follows:

	EMPLOYEE STOCK PURCHASE RIGHTS
Years Ended	July 30, 2016			July 25, 2015			July 26, 2014
Weighted-average assumptions:
Expected volatility	23.9		%	26.0		%	25.1		%
Risk-free interest rate	0.4		%	0.3		%	0.1		%
Expected dividend	3.1		%	2.8		%	2.8		%
Expected life (in years)	1.3			1.8			0.8
Weighted-average estimated grant date fair value per share	$	5.73		$	6.54		$	5.54