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Financing Receivables and Operating Leases (Additional Information) (Details) (USD $)
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3 Months Ended |
9 Months Ended |
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Apr. 25, 2015
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Apr. 25, 2015
Rating
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Jul. 26, 2014
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Apr. 26, 2014
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| Financing Receivables And Guarantees [Line Items] |
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| Average lease term (in years) |
4 years |
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| Deferred revenue: |
$ 14,181,000,000us-gaap_DeferredRevenue |
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$ 14,181,000,000us-gaap_DeferredRevenue |
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$ 14,142,000,000us-gaap_DeferredRevenue |
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| Financing receivable, allowance for credit loss and deferred revenue |
1,900,000,000csco_FinancingCreditLossAllowancesAndDeferredRevenue |
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1,900,000,000csco_FinancingCreditLossAllowancesAndDeferredRevenue |
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2,220,000,000csco_FinancingCreditLossAllowancesAndDeferredRevenue |
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| Total financing receivables before allowance for credit loss |
8,113,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
[1] |
8,113,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
[1] |
8,420,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
7,968,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
[1] |
| Threshold for past due receivables (in days) |
31 days |
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| Unbilled or current financing receivables included in greater than 91 days plus past due |
361,000,000csco_UnbilledOrCurrentInGreaterThanNinetyDaysPastDue |
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361,000,000csco_UnbilledOrCurrentInGreaterThanNinetyDaysPastDue |
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334,000,000csco_UnbilledOrCurrentInGreaterThanNinetyDaysPastDue |
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| Financing Receivable, 90 Days Past Due and Still Accruing |
75,000,000us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing |
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75,000,000us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing |
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78,000,000us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing |
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| Operating Leases, Future Minimum Payments, Remainder of Fiscal Year |
100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent |
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100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent |
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| Minimum future rental from operating leases (per year amount in Fiscal 2016) |
200,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears |
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200,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears |
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| Investment Credit Risk Ratings Range Lowest |
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1csco_InvestmentCreditRiskRatingsRangeLowest |
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| Investment Credit Risk Ratings Range Highest |
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10csco_InvestmentCreditRiskRatingsRangeHighest |
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| Rating at or higher when receivables deemed impaired |
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8csco_Ratingatorhigherwhenreceivablesdeemedimpaired |
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| Maximum |
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| Financing Receivables And Guarantees [Line Items] |
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| Loan receivables term (in years) |
3 years |
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| Minimum future rentals from operating leases (per year amount in Fiscal 2017) |
100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Minimum future rentals from operating leases (per year amount in Fiscal 2018) |
100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Minimum future rentals from operating leases (per year amount in Fiscal 2019) |
100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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100,000,000us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears / us-gaap_RangeAxis = us-gaap_MaximumMember |
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| Financed Service Contracts and Other | Minimum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financed service contracts term (in years) |
1 year |
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| Financed Service Contracts and Other | Maximum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financed service contracts term (in years) |
3 years |
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| Investment-grade ratings | Minimum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financing credit risk rating-investment-lowest |
1 |
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| Investment-grade ratings | Maximum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financing credit risk rating-investment-lowest |
4 |
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| Non-investment grade ratings | Minimum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financing credit risk rating-investment-lowest |
5 |
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| Non-investment grade ratings | Maximum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financing credit risk rating-investment-lowest |
6 |
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| Substandard | Minimum |
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| Financing Receivables And Guarantees [Line Items] |
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| Financing credit risk rating-investment-lowest |
7 |
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| Lease Receivables |
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| Financing Receivables And Guarantees [Line Items] |
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| Total financing receivables before allowance for credit loss |
3,312,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
[1] |
3,312,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
[1] |
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3,537,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
[1] |
| Loan Receivables |
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| Financing Receivables And Guarantees [Line Items] |
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| Total financing receivables before allowance for credit loss |
1,720,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
[1] |
1,720,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
[1] |
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1,621,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
[1] |
| Financed Service Contracts and Other |
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| Financing Receivables And Guarantees [Line Items] |
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| Deferred revenue: |
1,520,000,000us-gaap_DeferredRevenue / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
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1,520,000,000us-gaap_DeferredRevenue / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
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1,843,000,000us-gaap_DeferredRevenue / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
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| Total financing receivables before allowance for credit loss |
$ 3,081,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
[1] |
$ 3,081,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
[1] |
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$ 2,810,000,000us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
[1] |
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