v2.4.0.8

Supplemental Information Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified | 0 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Nov. 13, 2013 | Oct. 26, 2013 | Jul. 27, 2013
Supplementary Information[Line Items] |  |  |
Aggregate Authorized Common Stock Repurchase |  | $ 82,000,000,000 |
Stock Repurchase Program, Authorized Amount | 15,000,000,000 | 82,000,000,000 |
Repurchases of common stock under the repurchase program, shares |  | 3,952 | 3,868
Repurchases of common stock under the repurchase program, value |  | 80,906,000,000 | 78,906,000,000
Common Stock [Member] |  |  |
Supplementary Information[Line Items] |  |  |
Repurchases of common stock under the repurchase program, shares |  | 3,952 |
Common Stock Including Additional Paid in Capital [Member] |  |  |
Supplementary Information[Line Items] |  |  |
Repurchases of common stock under the repurchase program, value |  | 18,664,000,000 |
Retained Earnings [Member] |  |  |
Supplementary Information[Line Items] |  |  |
Repurchases of common stock under the repurchase program, value |  | 62,242,000,000 |
Parent [Member] |  |  |
Supplementary Information[Line Items] |  |  |
Repurchases of common stock under the repurchase program, value |  | $ 80,906,000,000 |

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

X
- Definition Cumulative stock repurchased and retired shares + References No definition available. + Details
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Namespace Prefix: | csco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cumulative Stock Repurchased And Retired Value + References No definition available. + Details
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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

X
- Definition Amount of a stock repurchase plan authorized by an entity's Board of Directors. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration