Supplemental Financial Information - Inventories (Detail) - USD ($) $ in Millions	Jan. 29, 2021	Apr. 24, 2020
Inventory Disclosure [Abstract]
Purchased components	$ 19	$ 28
Finished goods	87	117
Inventories	$ 106	$ 145

No definition available.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section S99
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
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