Stockholders' Equity (Tables)

9 Months Ended

Jan. 29, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Activity Related to Stock Options

The following table summarizes information related to our stock options (in millions, except 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	)	$	21.15
Forfeited and expired		(3	)	$	39.11
Outstanding as of January 29, 2016		8		$	39.68		2.64	$	1
Vested and expected to vest as of January 29, 2016		8		$	39.73		2.55	$	1
Exercisable as of January 29, 2016		7		$	40.29		2.17	$	1

Additional Information Related to Stock Options

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

	Nine Months Ended
	January 29, 2016		January 23, 2015
Intrinsic value of exercises	$	12	$	61
Proceeds received from exercises	$	24	$	100
Fair value of options vested	$	10	$	26

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

The following table summarizes information 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		6		$	30.49
Vested		(5	)	$	37.67
Forfeited		(2	)	$	35.08
Outstanding as of January 29, 2016		12		$	33.46

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):

	Nine Months Ended
	January 29, 2016		January 23, 2015
Shares withheld for taxes		2		1
Fair value of shares withheld	$	47	$	51

Schedule of Employee Stock Purchase Plan (ESPP) Disclosures

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

	Nine Months Ended
	January 29, 2016		January 23, 2015
Shares issued under the ESPP		3		3
Proceeds from issuance of shares	$	93	$	97

Stock-Based Compensation Expense

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

	Three Months Ended				Nine Months Ended
	January 29, 2016		January 23, 2015		January 29, 2016		January 23, 2015
Cost of product revenues	$	1	$	2	$	4	$	5
Cost of hardware maintenance and other services revenues		5		4		15		12
Sales and marketing		27		30		84		87
Research and development		20		21		64		64
General and administrative		10		9		32		28
Total stock-based compensation expense	$	63	$	66	$	199	$	196

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):

	Nine Months Ended
	January 29, 2016		January 23, 2015
Income tax benefit associated with employee stock transactions	$	37	$	54

Summary of Activities Related to Stock Repurchase Program

The following table summarizes activity related to this program for the nine months ended January 29, 2016 (in millions, except per share amounts):

Number of shares repurchased		23
Average price per share	$	30.75
Aggregate purchase price	$	698
Remaining authorization at end of period	$	1,762

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):

	Nine Months Ended
	January 29, 2016		January 23, 2015
Dividends per share declared	$	0.540	$	0.495
Dividend payments allocated to additional paid-in capital	$	84	$	52
Dividend payments allocated to retained earnings	$	75	$	105

Reconciliation of Retained Earnings

A reconciliation of retained earnings is as follows (in millions):

Balance as of April 24, 2015	$	53
Net income		237
Repurchases of common stock		(164	)
Dividends		(75	)
Balance as of January 29, 2016	$	51

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

Changes in accumulated other comprehensive income (loss) (AOCI) by component, net of tax, are summarized below (in millions):

	Foreign Currency Translation Adjustments			Defined Benefit Obligation Adjustments			Unrealized Gains (Losses) 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		(7	)		—			(11	)		—		(18	)
Amounts reclassified from AOCI, net of tax		—			2			(1	)		—		1
Total OCI		(7	)		2			(12	)		—		(17	)
Balance as of January 29, 2016	$	(30	)	$	(11	)	$	(1	)	$	1	$	(41	)

Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss)

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

	Three Months Ended						Nine Months Ended
	January 29, 2016			January 23, 2015			January 29, 2016			January 23, 2015
	Amounts Reclassified from AOCI						Amounts Reclassified from AOCI						Statements of Operations Location
Recognized losses on defined benefit     obligations	$	—		$	—		$	2		$	—		Operating expenses
Realized gains on available-for-sale     securities		—			—			(1	)		—		Other income (expense), net
Realized gains on cash flow hedges		(2	)		(15	)		—			(9	)	Net revenues
Total reclassifications	$	(2	)	$	(15	)	$	1		$	(9	)