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Segment Geographic and Significant Customer Information - Schedule of Financial Information by Segment (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 28, 2022 | Jan. 28, 2022 | Jan. 29, 2021 | Jan. 28, 2022 | Jan. 29, 2021
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues | $ 796 | $ 1,614 | $ 1,470 | $ 4,638 | $ 4,189
Segment cost of revenues |  | 527 | 480 | 1,471 | 1,365
Segment gross profit |  | $ 1,087 | $ 990 | $ 3,167 | $ 2,824
Segment gross margin |  | 67.30% | 67.30% | 68.30% | 67.40%
Unallocated cost of revenues |  | $ 14 | $ 15 | $ 36 | $ 44
Gross profit |  | $ 1,073 | $ 975 | $ 3,131 | $ 2,780
Total gross margin |  | 66.50% | 66.30% | 67.50% | 66.40%
Operating Segments | Hybrid Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | $ 1,504 | $ 1,415 | $ 4,362 | $ 4,056
Segment cost of revenues |  | 495 | 463 | 1,391 | 1,319
Segment gross profit |  | $ 1,009 | $ 952 | $ 2,971 | $ 2,737
Segment gross margin |  | 67.10% | 67.30% | 68.10% | 67.50%
Operating Segments | Public Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | $ 110 | $ 55 | $ 276 | $ 133
Segment cost of revenues |  | 32 | 17 | 80 | 46
Segment gross profit |  | $ 78 | $ 38 | $ 196 | $ 87
Segment gross margin |  | 70.90% | 69.10% | 71.00% | 65.40%
Product [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | $ 846 | $ 775 | $ 2,390 | $ 2,151
Segment cost of revenues |  | 404 | 361 | 1,099 | 1,018
Product [Member] | Operating Segments | Hybrid Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 846 | 775 | 2,390 | 2,151
Segment cost of revenues |  | 404 | 361 | 1,099 | 1,018
Product [Member] | Operating Segments | Public Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 0 | 0 | 0 | 0
Segment cost of revenues |  | 0 | 0 | 0 | 0
Public Cloud |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 110 | 55 | 276 | 133
Segment cost of revenues |  | 32 | 17 | 80 | 46
Public Cloud | Operating Segments | Hybrid Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 0 | 0 | 0 | 0
Segment cost of revenues |  | 0 | 0 | 0 | 0
Public Cloud | Operating Segments | Public Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 110 | 55 | 276 | 133
Segment cost of revenues |  | 32 | 17 | 80 | 46
Support |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 586 | 571 | 1,754 | 1,701
Segment cost of revenues |  | 45 | 49 | 141 | 150
Support | Operating Segments | Hybrid Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 586 | 571 | 1,754 | 1,701
Segment cost of revenues |  | 45 | 49 | 141 | 150
Support | Operating Segments | Public Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 0 | 0 | 0 | 0
Segment cost of revenues |  | 0 | 0 | 0 | 0
Professional and Other Services |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 72 | 69 | 218 | 204
Segment cost of revenues |  | 46 | 53 | 151 | 151
Professional and Other Services | Operating Segments | Hybrid Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 72 | 69 | 218 | 204
Segment cost of revenues |  | 46 | 53 | 151 | 151
Professional and Other Services | Operating Segments | Public Cloud Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net revenues |  | 0 | 0 | 0 | 0
Segment cost of revenues |  | $ 0 | $ 0 | $ 0 | $ 0

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