Stockholders' Equity (Tables)

3 Months Ended

Jul. 28, 2017

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 28, 2017		4	$	35.76
Outstanding as of July 28, 2017		4	$	36.87		2.91	$	34
Exercisable as of July 28, 2017		3	$	41.07		2.18	$	17

Additional Information Related to Stock Options

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

	Three Months Ended
	July 28, 2017		July 29, 2016
Intrinsic value of exercises	$	5	$	3
Proceeds received from exercises	$	6	$	1
Fair value of options vested	$	3	$	5

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

The following table summarizes information related to our RSUs, including PBRSUs, (in millions, except for fair value):

	Number of Shares			Weighted- Average Grant Date Fair Value
Outstanding as of April 28, 2017		11		$	28.81
Granted		4		$	38.42
Vested		(4	)	$	31.06
Forfeited		(1	)	$	26.96
Outstanding as of July 28, 2017		10		$	31.52

Number and Value of 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 28, 2017		July 29, 2016
Shares withheld for taxes		1		1
Fair value of shares withheld	$	57	$	33

Schedule of Employee Stock Purchase Plan (ESPP)

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

	Three Months Ended
	July 28, 2017		July 29, 2016
Shares issued under the ESPP		2		2
Proceeds from issuance of shares	$	42	$	42

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 28, 2017		July 29, 2016
Cost of product revenues	$	1	$	1
Cost of hardware maintenance and other services revenues		3		4
Sales and marketing		21		23
Research and development		15		15
General and administrative		8		9
Total stock-based compensation expense	$	48	$	52
Income tax benefit for stock-based compensation	$	9	$	9

Summary of Activities Related to Stock Repurchase Program

The following table summarizes activity related to this program for the three months ended July 28, 2017 (in millions, except per share amounts):

Number of shares repurchased		4
Average price per share	$	40.56
Aggregate purchase price	$	150
Remaining authorization at end of period	$	644

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 28, 2017		July 29, 2016
Dividends per share declared	$	0.20	$	0.19
Dividend payments allocated to additional paid-in capital	$	—	$	50
Dividend payments allocated to retained earnings	$	54	$	3

Reconciliation of Retained Earnings

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

Balance as of April 28, 2017	$	40
Net income		136
Repurchases of common stock		(112	)
Dividends		(54	)
Balance as of July 28, 2017	$	10

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

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

	Foreign Currency Translation Adjustments			Unrealized Gains (Losses) on Available- for-Sale Securities		Total
Balance as of April 28, 2017	$	(29	)	$	—	$	(29	)
Other comprehensive income, net of tax		10			6		16
Balance as of July 28, 2017	$	(19	)	$	6	$	(13	)