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Supplemental Financial Information - Summary of Components of Deferred Revenue and Financed Unearned Services Revenue (Details) - USD ($) $ in Millions | Apr. 26, 2024 | Apr. 28, 2023
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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
Reported |  |
Contract With Customer Liability [Line Items] |  |
Deferred revenue and financed unearned services revenue | $ 4,234 | $ 4,313

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