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Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended			263 Months Ended
	Apr. 25, 2025	Apr. 26, 2024	Apr. 28, 2023	Apr. 25, 2025
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased				382.0
Average price per share				$ 43.93
Stock repurchases allocated	$ 1,150	$ 900	$ 850
Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased	10.2	11.5	12.8
Average price per share	$ 112.55	$ 77.87	$ 66.42
Stock repurchases allocated	$ 1,100	$ 798	$ 805
Remaining authorization at end of period	352	502	402	$ 352
Additional Paid-in Capital | Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	50	102	45
Retained Earnings (Accumulated Deficit)
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	$ 1,100	$ 798	$ 805

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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