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Stockholders' Equity (Tables)

3 Months Ended

Jul. 27, 2018

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 27, 2018			1			$	31.19
Outstanding as of July 27, 2018			1			$	29.86				3.50			$	40
Exercisable as of July 27, 2018			1			$	32.23				3.05			$	34

Additional Information Related to Stock Options

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

		Three Months Ended
		July 27, 2018				July 28, 2017
Intrinsic value of exercises		$	15			$	5
Proceeds received from exercises		$	13			$	6
Fair value of options vested		$	1			$	3

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 fair value):

		Number of Shares				Weighted- Average Grant Date Fair Value
Outstanding as of April 27, 2018			9			$	32.91
Granted			3			$	62.42
Vested			(3	)		$	31.34
Forfeited			(1	)		$	31.62
Outstanding as of July 27, 2018			8			$	43.43

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 27, 2018				July 28, 2017
Shares withheld for taxes			1				1
Fair value of shares withheld		$	84			$	57

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 27, 2018				July 28, 2017
Shares issued under the ESPP			2				2
Proceeds from issuance of shares		$	49			$	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 27, 2018				July 28, 2017
Cost of product revenues		$	1			$	1
Cost of hardware maintenance and other services revenues			3				3
Sales and marketing			17				21
Research and development			12				15
General and administrative			7				8
Total stock-based compensation expense		$	40			$	48
Income tax benefit for stock-based compensation expense		$	5			$	9

Summary of Activities Related to Stock Repurchase Program

The following table summarizes activity related to this program for the three months ended July 27, 2018 (in millions, except per share amounts):

Number of shares repurchased			7
Average price per share		$	74.37
Aggregate purchase price		$	500
Remaining authorization at end of period		$	3,500

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 27, 2018				July 28, 2017
Dividends per share declared		$	0.40			$	0.20
Dividend payments allocated to additional paid-in capital		$	105			$	—
Dividend payments allocated to retained earnings (accumulated deficit)		$	—			$	54

Reconciliation of Retained Earnings (Accumulated Deficit)

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

Balance as of April 27, 2018		$	(9	)
Cumulative-effect of new accounting principle			(51	)
Net income			283
Repurchases of common stock			(223	)
Balance as of July 27, 2018		$	—

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