v2.4.1.9

Restructuring and Other Charges (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	3 Months Ended		9 Months Ended
	Apr. 25, 2015	Apr. 25, 2015	Apr. 26, 2014	Apr. 26, 2014	Jul. 26, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 411us-gaap_RestructuringCharges
Fiscal 2015 plan
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	411us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = csco_Fiscal2015planMember	24us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = csco_Fiscal2015planMember
Fiscal 2015 plan | Expected Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	600us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringPlanAxis = csco_Fiscal2015planMember	600us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringPlanAxis = csco_Fiscal2015planMember
Fiscal 2014 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			26us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = csco_AugustFiscal2014RestructuringPlanMember	336us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = csco_AugustFiscal2014RestructuringPlanMember
Cumulative restructuring charges					$ 418us-gaap_RestructuringAndRelatedCostCostIncurredToDate1 / us-gaap_RestructuringPlanAxis = csco_AugustFiscal2014RestructuringPlanMember

X

- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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