v2.4.1.9

Segment Information and Major Customers (Summary Of Reportable Segments) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 25, 2015 | Apr. 26, 2014 | Apr. 25, 2015 | Apr. 26, 2014
Segment Reporting Information [Line Items] |  |  |  |
Revenue | $ 12,137 us-gaap_SalesRevenueNet | $ 11,545 us-gaap_SalesRevenueNet | $ 36,318 us-gaap_SalesRevenueNet | $ 34,785 us-gaap_SalesRevenueNet
Gross margin | 7,525 us-gaap_GrossProfit | 7,006 us-gaap_GrossProfit | 21,948 us-gaap_GrossProfit | 20,364 us-gaap_GrossProfit
Unallocated corporate items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | (64)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | (233)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | (759)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | (1,332)us-gaap_GrossProfit / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 7,252 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 6,689 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 21,854 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 20,465 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember
Gross margin | 4,560 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 4,196 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 13,776 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember | 12,823 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = us-gaap_AmericasMember
EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 3,119 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 3,068 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 9,212 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 8,897 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember
Gross margin | 1,949 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 1,967 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 5,774 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember | 5,725 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_EuropeMiddleEastAndAfricaMember
APJC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue | 1,766 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 1,788 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 5,252 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 5,423 us-gaap_SalesRevenueNet / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember
Gross margin | 1,080 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 1,076 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 3,157 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember | 3,148 us-gaap_GrossProfit / us-gaap_StatementGeographicalAxis = csco_AsiaPacificJapanAndChinaMember
Segment total |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | $ 7,589 us-gaap_GrossProfit / csco_StatementSegmentReportingAxis = csco_SegmentReportingInformationGrossMarginMember | $ 7,239 us-gaap_GrossProfit / csco_StatementSegmentReportingAxis = csco_SegmentReportingInformationGrossMarginMember | $ 22,707 us-gaap_GrossProfit / csco_StatementSegmentReportingAxis = csco_SegmentReportingInformationGrossMarginMember | $ 21,696 us-gaap_GrossProfit / csco_StatementSegmentReportingAxis = csco_SegmentReportingInformationGrossMarginMember

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