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Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 29, 2016 | Jan. 23, 2015 | Jan. 29, 2016 | Jan. 23, 2015
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | $ 1,386 | $ 1,551 | $ 4,166 | $ 4,583
United States, Canada And Latin America (Americas) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 752 | 837 | 2,316 | 2,574
Europe, Middle East And Africa (EMEA) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | 456 | 509 | 1,301 | 1,392
Asia Pacific (APAC) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | $ 178 | $ 205 | $ 549 | $ 617

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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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