Derivatives and Currency Exchange Risk Management - Classification and Fair Value Amounts of Derivative Instruments in Balance Sheets (Details) - USD ($) $ in Millions	Apr. 26, 2024	Apr. 28, 2023
Derivatives, Fair Value [Line Items]
Fair Value - Assets	$ 659	$ 368
Fair Value - Liabilities	66	236
Currency exchange rate contracts
Derivatives, Fair Value [Line Items]
Fair Value - Assets	659	368
Fair Value - Liabilities	66	236
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Fair Value - Assets	644	351
Fair Value - Liabilities	54	226
Derivatives designated as hedging instruments | Currency exchange rate contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value - Assets	368	318
Derivatives designated as hedging instruments | Currency exchange rate contracts | Other assets
Derivatives, Fair Value [Line Items]
Fair Value - Assets	276	33
Derivatives designated as hedging instruments | Currency exchange rate contracts | Other accrued expenses
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	37	109
Derivatives designated as hedging instruments | Currency exchange rate contracts | Other liabilities
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	17	117
Derivatives not designated as hedging instruments | Currency exchange rate contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair Value - Assets	15	17
Derivatives not designated as hedging instruments | Currency exchange rate contracts | Other accrued expenses
Derivatives, Fair Value [Line Items]
Fair Value - Liabilities	$ 12	$ 10