Commitments and Contingencies - Schedule of Financing Guarantees Outstanding (Details) - Channel partner - USD ($) $ in Millions	Jul. 30, 2022	Jul. 31, 2021
Guarantor Obligations [Line Items]
Maximum potential future payments	$ 188	$ 155
Deferred revenue	(9)	(16)
Total	$ 179	$ 139

The amounts represent those associated with Financing Guarantee Receivables.

No definition available.

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

- Definition

Maximum potential future payments relating to financing guarantees net of deferred revenue.

+ References

No definition available.

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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Period Type: