<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000858877</identifier>
        </entity>
        <period>
            <startDate>2026-07-06</startDate>
            <endDate>2026-07-06</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000858877</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-06</startDate>
            <endDate>2026-07-06</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000858877</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-06</startDate>
            <endDate>2026-07-06</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-189">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-190">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-191">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-192">0000858877</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-193">CISCO SYSTEMS, INC.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-196">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-197">false</ffd:PrevslyPdFlg>
    <ffd:FormTp contextRef="rc" id="ixv-231">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-232">CISCO SYSTEMS, INC.</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-233">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-234">In respect of substituted restricted stock units: Common Stock, par value $0.001 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_1" id="ixv-235">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-236"
      unitRef="Shares">118097</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_1"
      decimals="2"
      id="ixv-237"
      unitRef="USD">114.08</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-238"
      unitRef="USD">13472505.76</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-239"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-240"
      unitRef="USD">1860.55</ffd:FeeAmt>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-241">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-242">In respect of substituted options: Common Stock, par value $0.001 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_2" id="ixv-243">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="0"
      id="ixv-244"
      unitRef="Shares">56721</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_2"
      decimals="2"
      id="ixv-245"
      unitRef="USD">11.26</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-246"
      unitRef="USD">638678.46</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-247"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-248"
      unitRef="USD">88.20</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-249" unitRef="USD">14111184.22</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-250" unitRef="USD">1948.75</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-251" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-252" unitRef="USD">1948.75</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-253">(1) Represents shares subject to issuance in connection with restricted stock units outstanding under the Astrix Security Ltd. 2021 Share Incentive Plan (the "Astrix Plan"), and assumed by the Registrant on June 29, 2026 pursuant to the Share Purchase Agreement by and among Cisco Systems, Inc., Astrix Security Ltd., the shareholders of Astrix Security Ltd. set forth on Schedule A thereto and the Holders' Agent (as that term is defined therein), dated as of May 3, 2026 (the "Share Purchase Agreement"). (2) This Registration Statement shall also cover any additional shares of the Registrant's common stock that become issuable in respect of the securities identified in the table by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without the Registrant's receipt of consideration which results in an increase in the number of the outstanding shares of the Registrant's common stock. (3) Calculated solely for the purposes of this offering under Rule 457(c) and (h) of the Securities Act of 1933, as amended (the "Securities Act"), on the basis of the average of the high and low prices of the Registrant's common stock as reported on The Nasdaq Global Select Market on July 6, 2026. (4) Rounded up to the nearest cent. (5) The Registrant does not have any fee offsets.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-254">(1) Represents shares subject to issuance in connection with unvested options outstanding under the Astrix Plan, and assumed by the Registrant on June 29, 2026 pursuant to the Share Purchase Agreement. (2) This Registration Statement shall also cover any additional shares of the Registrant's common stock that become issuable in respect of the securities identified in the table by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without the Registrant's receipt of consideration which results in an increase in the number of the outstanding shares of the Registrant's common stock. (3) Calculated solely for the purposes of this offering under Rule 457(h) of the Securities Act on the basis of the weighted average exercise price of the options. (4) Rounded up to the nearest cent. (5) The Registrant does not have any fee offsets.</ffd:OfferingNote>
</xbrl>
