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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
	Jul. 25, 2025	Jul. 26, 2024
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	$ 300	$ 400
Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	$ 233	$ 384
Stock Repurchase Program
Equity Class Of Treasury Stock [Line Items]
Number of shares repurchased	3.0
Average price per share	$ 99.76
Remaining authorization at end of period	$ 1,152
Stock Repurchase Program | Additional Paid-in Capital
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	233
Stock Repurchase Program | Retained Earnings
Equity Class Of Treasury Stock [Line Items]
Stock repurchases allocated	$ 67

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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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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Total cost of shares repurchased divided by the total number of shares repurchased.

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