Revenue - Summary of Components of Deferred Revenue and Financed Unearned Services Revenue (Detail) - USD ($) $ in Millions	Apr. 26, 2024	Apr. 28, 2023
Contract With Customer Liability [Line Items]
Deferred revenue and financed unearned services revenue	$ 4,234	$ 4,313
Short-term	2,176	2,218
Long-term	2,058	2,095
Deferred product revenue
Contract With Customer Liability [Line Items]
Deferred revenue and financed unearned services revenue	59	18
Deferred services revenue
Contract With Customer Liability [Line Items]
Deferred revenue and financed unearned services revenue	4,123	4,247
Financed unearned services revenue
Contract With Customer Liability [Line Items]
Deferred revenue and financed unearned services revenue	$ 52	$ 48