v2.4.0.6

Financing Receivables and Guarantees (Schedule Of Aging Analysis Of Financing Receivables) (Detail) (USD $) In Millions, unless otherwise specified | Jul. 28, 2012 | Jul. 30, 2011
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
31-60 Days Past Due | $ 250 | $ 165
61-90 Days Past Due | 145 | 75
Greater than 90 Days Past Due | 576 | 438
Total Past Due | 971 | 678
Current | 6,655 | 6,288
Gross Receivables, Net of Unearned Income | 7,626 | 6,966
Non-Accrual Financing Receivables | 45 | 55
Impaired Financing Receivables | 28 | 34
Lease Receivables |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
31-60 Days Past Due | 151 | 89
61-90 Days Past Due | 69 | 35
Greater than 90 Days Past Due | 173 | 152
Total Past Due | 393 | 276
Current | 2,786 | 2,585
Gross Receivables, Net of Unearned Income | 3,179 | 2,861
Non-Accrual Financing Receivables | 23 | 34
Impaired Financing Receivables | 14 | 24
Loan Receivables |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
31-60 Days Past Due | 10 | 8
61-90 Days Past Due | 8 | 7
Greater than 90 Days Past Due | 11 | 21
Total Past Due | 29 | 36
Current | 1,767 | 1,432
Gross Receivables, Net of Unearned Income | 1,796 | 1,468
Non-Accrual Financing Receivables | 4 | 4
Impaired Financing Receivables | 4 | 4
Financed Service Contracts & Other |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
31-60 Days Past Due | 89 | 68
61-90 Days Past Due | 68 | 33
Greater than 90 Days Past Due | 392 | 265
Total Past Due | 549 | 366
Current | 2,102 | 2,271
Gross Receivables, Net of Unearned Income | 2,651 | 2,637
Non-Accrual Financing Receivables | 18 | 17
Impaired Financing Receivables | $ 10 | $ 6

X
- Definition Class Of Financing Receivable Current + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableCurrent
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Class Of Financing Receivable Greater Than Ninety Days Past Due + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableGreaterThanNinetyDaysPastDue
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivable Impaired Financing Receivables + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableImpairedFinancingReceivables
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivable Non Accrual Financing Receivables + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableNonAccrualFinancingReceivables
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivable Past Due + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivablePastDue
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivable Sixty One To Ninety Days Past Due + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableSixtyOneToNinetyDaysPastDue
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivables Net Of Unearned Income + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivablesNetOfUnearnedIncome
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Class Of Financing Receivable Thirty One To Sixty Days Past Due + References No definition available. + Details
Name: | csco_ClassOfFinancingReceivableThirtyOneToSixtyDaysPastDue
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration