v2.4.0.6

Supplemental Information - Additional Information (Detail) (USD $) In Billions, unless otherwise specified | Jul. 28, 2012
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Supplementary Information [Line Items] |
Authorized common stock repurchase amount | $ 82

X
- Definition Authorized Common Stock Repurchase Amount. + References No definition available. + Details
Name: | csco_AuthorizedCommonStockRepurchaseAmount
Namespace Prefix: | csco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | csco_SupplementaryInformationLineItems
Namespace Prefix: | csco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration