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Financing Arrangements - Future Principal Debt Maturities (Detail) - Senior Notes - USD ($) $ in Millions	Jan. 25, 2019	Apr. 27, 2018
Debt Instrument [Line Items]
2020	$ 400
2022	500
2023	250
2025	400
Total	$ 1,550	$ 1,550

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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Topic 835
-SubTopic 30
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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