Stockholders' Equity (Tables)

3 Months Ended

Jul. 31, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Activity Related to Stock Options

The following table summarizes activity related to our stock options (in millions, except for exercise price and contractual term):

	Number of Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding as of April 24, 2015		12		$	37.74
Exercised		(1	)	$	23.37
Forfeited and expired		(1	)	$	37.67
Outstanding as of July 31, 2015		10		$	38.18		3.04	$	13
Vested and expected to vest as of July 31, 2015		10		$	38.23		2.92	$	13
Exercisable as of July 31, 2015		8		$	38.74		2.35	$	13

Additional Information Related to Stock Options

Additional information related to our stock options is summarized below (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
Intrinsic value of exercises	$	3	$	7
Proceeds received from exercises	$	7	$	13
Fair value of options vested	$	6	$	9

Activity Related to Restricted Stock Units Including Performance-Based Restricted Stock Units

The following table summarizes activity for the three months ended July 31, 2015 related to RSUs, including PBRSUs, (in millions, except for fair value):

	Number of Shares			Weighted- Average Grant Date Fair Value
Outstanding as of April 24, 2015		13		$	36.58
Granted		5		$	31.38
Vested		(3	)	$	37.48
Forfeited		(1	)	$	35.95
Outstanding as of July 31, 2015		14		$	34.54

Number and Value of the Shares Netted for Employee Taxes

The number and value of the shares netted for employee taxes are summarized in the table below (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
Shares withheld for taxes		1		1
Fair value of shares withheld	$	38	$	34

Schedule of Employee Stock Purchase Plan (ESPP) Disclosures

The following table summarizes activity related to the purchase rights issued under the ESPP (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
Shares issued under the ESPP		2		2
Proceeds from issuance of shares	$	50	$	49

Stock-Based Compensation Expense

Stock-based compensation expense is included in the condensed consolidated statements of operations as follows (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
Cost of product revenues	$	2	$	1
Cost of hardware maintenance and other services revenues		6		5
Sales and marketing		31		27
Research and development		26		21
General and administrative		12		8
Total stock-based compensation expense	$	77	$	62

Income Tax Effects Associated with Employee Stock Transactions

Total income tax benefit associated with employee stock transactions and recognized in stockholders’ equity were as follows (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
Income tax benefit associated with employee stock transactions	$	14	$	43

Summary of Activities Related to Stock Repurchase Program

The following table summarizes activity related to this program for the three months ended July 31, 2015 (in millions, except per share information):

Number of shares repurchased		13
Average price per share	$	32.35
Aggregate purchase price	$	430
Remaining authorization at end of period	$	2,030

Summary of Activities Related to Dividends on Common Stock

The following is a summary of our activities related to dividends on our common stock (in millions, except per share amounts):

	Three Months Ended
	July 31, 2015		July 25, 2014
Dividends per share declared	$	0.180	$	0.165
Dividend payments allocated to additional paid-in capital	$	54	$	—
Dividend payments allocated to retained earnings	$	—	$	53

Reconciliation of Retained Earnings (Accumulated Deficit)

A reconciliation of retained earnings (accumulated deficit) for the three months ended July 31, 2015 is as follows (in millions):

Balance as of April 24, 2015	$	53
Net loss		(30	)
Repurchases of common stock		(54	)
Balance as of July 31, 2015	$	(31	)

Accumulated Other Comprehensive Income (Loss) by Component Net of Tax

Changes in accumulated other comprehensive income (loss) (AOCI) by component, net of tax, for the three months ended July 31, 2015 are summarized below (in millions):

	Foreign Currency Translation Adjustments			Defined Benefit Obligation Adjustments			Unrealized Gains on Available- for-Sale Securities			Unrealized Gains (Losses) on Derivative Instruments			Total
Balance as of April 24, 2015	$	(23	)	$	(13	)	$	11		$	1		$	(24	)
OCI before reclassifications, net of tax		(1	)		—			(9	)		(2	)		(12	)
Amounts reclassified from AOCI, net of tax		—			1			—			1			2
Total OCI		(1	)		1			(9	)		(1	)		(10	)
Balance as of July 31, 2015	$	(24	)	$	(12	)	$	2		$	—		$	(34	)

Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss)

The amounts reclassified out of AOCI are as follows (in millions):

	Three Months Ended
	July 31, 2015		July 25, 2014
	Amounts Reclassified from AOCI				Statements of Operations Location
Recognized losses on defined benefit obligations	$	1	$	—	Operating expenses
Realized losses on cash flow hedges		1		2	Net revenues
Total reclassifications	$	2	$	2