Fair Value Measurements - Financial Assets Measured At Fair Value On A Recurring and Nonrecurring Basis (Details) - USD ($) $ in Millions	Apr. 29, 2023	Apr. 30, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable equity and debt securities	$ 36	$ 35
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable equity and debt securities	36	35
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable equity and debt securities	0	0
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable equity and debt securities	$ 0	$ 0