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Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended		248 Months Ended
	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024	Jan. 27, 2023	Jan. 26, 2024
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased					371
Average price per share					$ 41.89
Stock repurchases allocated	$ 100	$ 200	$ 800	$ 700
Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	95	$ 188	$ 704	$ 663
Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased			11
Average price per share			$ 76.03
Remaining authorization at end of period	$ 602		$ 602		$ 602
Stock Repurchase Program | Additional Paid-in Capital
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated			96
Stock Repurchase Program | Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated			$ 704

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Amount remaining of a stock repurchase plan authorized.

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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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