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Employee Benefits and Deferred Compensation - Schedule of Defined Benefit Plans (Detail) - USD ($) $ in Millions | Apr. 26, 2024 | Apr. 28, 2023
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Retirement Benefits [Abstract] |  |
Fair value of plan assets | $ 55 | $ 44
Benefit obligations | (91) | (75)
Unfunded obligations | $ (36) | $ (31)

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