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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
Jan. 24, 2025
Apr. 26, 2024
Income Tax Contingency [Line Items]    
Gross unrecognized tax benefits $ 228  
Gross unrecognized tax benefits included in other long-term liabilities 169 $ 153
Unrecognized tax benefits that would affect provision for income taxes $ 169