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Financial Instruments and Fair Value Measurements - Summary of Investments at Cost or Amortized Cost (Detail) - USD ($) $ in Millions	Oct. 27, 2023	Apr. 28, 2023
Schedule of Available-for-sale Securities [Line Items]
Cost or amortized cost	$ 1,242	$ 1,643
U.S. Treasury and Government Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Cost or amortized cost	800	754
Certificates of Deposit
Schedule of Available-for-sale Securities [Line Items]
Cost or amortized cost	43	59
Mutual Funds
Schedule of Available-for-sale Securities [Line Items]
Cost or amortized cost	34	36
Money Market Funds
Schedule of Available-for-sale Securities [Line Items]
Cost or amortized cost	$ 365	$ 794

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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