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Financial Instruments and Fair Value Measurements - Summary of Investments at Cost or Amortized Cost (Detail) - USD ($) $ in Millions | Jul. 28, 2023 | Apr. 28, 2023
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | $ 1,534 | $ 1,643
U.S. Treasury and Government Debt Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 1,005 | 754
Certificates of Deposit |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 54 | 59
Mutual Funds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | 39 | 36
Money Market Funds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Cost or amortized cost | $ 436 | $ 794

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