Additional unsecured revolving credit facility maturity date

No definition available.

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Namespace Prefix:	csco_
Data Type:	xbrli:dateItemType
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Period Type:	duration

- Definition

Commercial paper, maximum borrowing limit

+ References

No definition available.

+ Details

Name:	csco_Commercialpapermaximumborrowinglimit
Namespace Prefix:	csco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility Available Increase To Current Facility

+ References

No definition available.

+ Details

Name:	csco_LineOfCreditFacilityAvailableIncreaseToCurrentFacility
Namespace Prefix:	csco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Information about borrowings which initially required repayment in less than twelve months (or normal operating cycle, if longer) after its issuance and that does not otherwise qualify as long-term debt. It typically is comprised of borrowings under letters of credit, lines of credit, commercial paper, and notes payable of short duration. Disclosures include amounts of borrowings under each arrangement, description of underlying arrangements, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements such as the effects of refinancings and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
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Period Type:

Borrowings (Additional Information) (Details) (USD $)	3 Months Ended	9 Months Ended		3 Months Ended	0 Months Ended	3 Months Ended
Borrowings (Additional Information) (Details) (USD $)	Apr. 25, 2015	Apr. 25, 2015	Apr. 26, 2014	Jan. 24, 2015	May 23, 2015	Jul. 25, 2015	Jul. 26, 2014	May 15, 2015
Debt Instrument [Line Items]
Commercial paper, maximum borrowing limit	$ 3,000,000,000	$ 3,000,000,000
Commercial paper outstanding, Description	The outstanding commercial paper notes as of April 25, 2015 had original maturity dates of three months or less.
Repayments of Senior Debt		507,000,000us-gaap_RepaymentsOfLongTermDebt	3,274,000,000us-gaap_RepaymentsOfLongTermDebt
Derivative, Notional Amount	14,140,000,000invest_DerivativeNotionalAmount	14,140,000,000invest_DerivativeNotionalAmount					15,557,000,000invest_DerivativeNotionalAmount
Derivatives designated as hedging instruments: \| Interest rate derivatives
Debt Instrument [Line Items]
Derivative, Notional Amount	10,400,000,000	10,400,000,000					10,400,000,000
Fixed-Rate Notes, 2.90%, Due November 2014
Debt Instrument [Line Items]
Repayments of Senior Debt				500,000,000
Subsequent Event \| Unsecured revolving credit facility
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity								3,000,000,000
Maturity date						May 15, 2020
Line of Credit Facility, Interest Rate Description					Any advances under the credit agreement will accrue interest at rates that are equal to, based on certain conditions, either (i) the highest of (a) the Federal Funds rate plus 0.50%, (b) Bank of America’s “prime rate” as announced from time to time, or (c) LIBOR or a comparable or successor rate which rate is approved by the Administrative Agent (“Eurocurrency Rate”) for an interest period of one-month plus 1.00%, or (ii) the Eurocurrency Rate, plus a margin that is based on the Company’s senior debt credit ratings as published by Standard & Poor’s Financial Services, LLC and Moody’s Investors Service, Inc., provided that in no event will the Eurocurrency Rate be less than zero. The credit agreement requires the Company to comply with certain covenants, including that it maintain an interest coverage ratio as defined in the agreement.
Additional credit facility upon agreement								$ 2,000,000,000
Additional unsecured revolving credit facility maturity date						May 15, 2022
Subsequent Event \| Unsecured revolving credit facility \| Federal fund rate plus 0.50% [Member]
Debt Instrument [Line Items]
Interest rate based on % above pre-defined market rate					0.50%
Subsequent Event \| Unsecured revolving credit facility \| One-month LIBOR plus 1%
Debt Instrument [Line Items]
Interest rate based on % above pre-defined market rate					1.00%