<?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">0001652044</identifier>
        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
        </period>
    </context>
    <context id="offrl_7">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>7</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</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-494">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-495">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-496">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-497">333-286752</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-498">0001652044</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-499">Alphabet Inc.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="rc" id="ixv-581">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-582">Alphabet Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-583">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-584">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-585">1.965% Notes due 2029</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-586">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="1"
      id="ixv-587"
      unitRef="Shares">856619041.6</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-588"
      unitRef="USD">856619041.60</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-589"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-590"
      unitRef="USD">118299.09</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-591">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-592">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-593">2.412% Notes due 2031</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-594">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="1"
      id="ixv-595"
      unitRef="Shares">1267543305.1</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-596"
      unitRef="USD">1267543305.10</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-597"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-598"
      unitRef="USD">175047.73</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-599">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-600">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-601">2.822% Notes due 2033</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-602">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_3"
      decimals="2"
      id="ixv-603"
      unitRef="Shares">778859527.12</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_3"
      decimals="2"
      id="ixv-604"
      unitRef="USD">778859527.12</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-605"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_3"
      decimals="2"
      id="ixv-606"
      unitRef="USD">107560.50</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-607">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-608">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-609">3.189% Notes due 2036</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_4" id="ixv-610">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_4"
      decimals="2"
      id="ixv-611"
      unitRef="Shares">410292072.32</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_4"
      decimals="2"
      id="ixv-612"
      unitRef="USD">410292072.32</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="7"
      id="ixv-613"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_4"
      decimals="2"
      id="ixv-614"
      unitRef="USD">56661.34</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-615">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-616">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-617">3.713% Notes due 2041</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_5" id="ixv-618">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_5"
      decimals="2"
      id="ixv-619"
      unitRef="Shares">120748514.35</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_5"
      decimals="2"
      id="ixv-620"
      unitRef="USD">120748514.35</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="7"
      id="ixv-621"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_5"
      decimals="2"
      id="ixv-622"
      unitRef="USD">16675.37</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-623">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-624">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-625">4.395% Notes due 2056</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_6" id="ixv-626">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_6"
      decimals="2"
      id="ixv-627"
      unitRef="Shares">58793779.24</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_6"
      decimals="2"
      id="ixv-628"
      unitRef="USD">58793779.24</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="7"
      id="ixv-629"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_6"
      decimals="2"
      id="ixv-630"
      unitRef="USD">8119.42</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_7" id="ixv-631">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_7" id="ixv-632">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_7" id="ixv-633">4.599% Notes due 2066</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_7" id="ixv-634">true</ffd:Rule457rFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_7"
      decimals="2"
      id="ixv-635"
      unitRef="Shares">151725881.91</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_7"
      decimals="2"
      id="ixv-636"
      unitRef="USD">151725881.91</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_7"
      decimals="7"
      id="ixv-637"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_7"
      decimals="2"
      id="ixv-638"
      unitRef="USD">20953.34</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-639" unitRef="USD">3644582121.64</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-640" unitRef="USD">503316.79</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-641" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-642" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-643" unitRef="USD">503316.79</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-644">The amount registered, maximum aggregate offering price and registration fee have been calculated by converting the amount registered from YEN to U.S. Dollars based upon the YEN to U.S. Dollar exchange rate as of 12:30 PM (New York City time) on May 14, 2026 on the Bloomberg page "BFIX" of 1.00 U.S. Dollar to 158.1800 YEN. </ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-645">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-646">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-647">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-648">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-649">See Note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_7" id="ixv-650">See Note 1.</ffd:OfferingNote>
    <ffd:NrrtvMaxAggtOfferingPric contextRef="rc" decimals="2" id="ixv-651" unitRef="USD">3644582121.64</ffd:NrrtvMaxAggtOfferingPric>
    <ffd:FnlPrspctsFlg contextRef="rc" id="ixv-652">true</ffd:FnlPrspctsFlg>
</xbrl>
