Goodwill and Purchased Intangible Assets, Net (Tables)

6 Months Ended

Oct. 26, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Activity

    Goodwill activity is summarized as follows (in millions):

Balance as of April 27, 2018	$	1,739
Additions		3
Balance as of October 26, 2018	$	1,742

Purchased Intangible Assets, Net

Purchased intangible assets, net are summarized below (in millions):

	October 26, 2018							April 27, 2018
	Gross		Accumulated			Net		Gross		Accumulated			Net
	Assets		Amortization			Assets		Assets		Amortization			Assets
Developed technology	$	160	$	(95	)	$	65	$	164	$	(80	)	$	84
Customer contracts/relationships		41		(37	)		4		43		(33	)		10
Other purchased intangibles		—		—			—		9		(9	)		—
Total purchased intangible assets	$	201	$	(132	)	$	69	$	216	$	(122	)	$	94

Amortization Expense for Purchased Intangible Assets

Amortization expense for purchased intangible assets is summarized below (in millions):

	Three Months Ended				Six Months Ended				Statements of
	October 26, 2018		October 27, 2017		October 26, 2018		October 27, 2017		Operations Classification
Developed technology	$	9	$	9	$	18	$	17	Cost of revenues
Customer contracts/relationships		3		4		7		8	Operating expenses
Other purchased intangibles		—		1		—		2	Operating expenses
Total	$	12	$	14	$	25	$	27

Future Amortization Expense Related to Purchased Intangible Assets

As of October 26, 2018, future amortization expense related to purchased intangible assets is as follows (in millions):

Fiscal Year	Amount
Remainder of 2019	$	22
2020		31
2021		16
Total	$	69