v2.4.0.6

Supplemental Information - Additional Information (Detail) (USD $) In Billions, unless otherwise specified	Jul. 28, 2012
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