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Financial Instruments and Fair Value Measurements - Summary of Investments at Cost or Amortized Cost (Detail) - USD ($) $ in Millions | Oct. 29, 2021 | Apr. 30, 2021
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Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | $ 151 | $ 167
Corporate Bonds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 31 | 58
U.S. Treasury and Government Debt Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 7 | 8
Certificates of Deposit |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 70 | 61
Mutual Funds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | $ 43 | $ 40

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