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Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Oct. 30, 2020	Apr. 24, 2020
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 256	$ 196
Accumulated Amortization	(131)	(152)
Net Assets	125	44
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	215	192
Accumulated Amortization	(128)	(152)
Net Assets	87	40
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	38	4
Accumulated Amortization	(3)	0
Net Assets	35	4
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	3	0
Accumulated Amortization	0	0
Net Assets	$ 3	$ 0

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Topic 350
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