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Revenue - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Apr. 24, 2020 | Apr. 26, 2019
Disaggregation of Revenue [Line Items] |  |
Deferred revenue | $ 303 | $ 315
Revenue recognized that was previously included in deferred revenue | 220 |
Estimated revenue expected to be recognized in future periods related to unsatisfied performance obligations | $ 1,100 |
Period over which remaining performance obligations are expected to be recognized as revenue | four years |
Other accrued expenses |  |
Disaggregation of Revenue [Line Items] |  |
Rebate obligations | $ 706 | 764
Deferred revenue | 213 | 211
Reduction of accounts receivable |  |
Disaggregation of Revenue [Line Items] |  |
Rebate obligations | 321 | 432
Other liabilities |  |
Disaggregation of Revenue [Line Items] |  |
Deferred revenue | $ 90 | $ 104

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