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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	Oct. 30, 2020	Apr. 24, 2020
Income Tax Disclosure [Abstract]
Gross unrecognized tax benefits	$ 224
Gross unrecognized tax benefits included in other long-term liabilities	138	$ 136
Unrecognized tax benefits that would affect provision for income taxes	$ 138

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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