<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:goog="http://www.google.com/20260605"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="goog-20260605.xsd" xlink:type="simple"/>
    <context id="duration_2026-06-05_to_2026-06-05">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-CapitalClassCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:CapitalClassCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.375SeniorNotesDue2028Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A2.375SeniorNotesDue2028Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.500SeniorNotesDue2029Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A2.500SeniorNotesDue2029Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.125SeniorNotesDue2029Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.125SeniorNotesDue2029Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-SeniorNotesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeniorNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.875SeniorNotesDue2031Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A2.875SeniorNotesDue2031Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.450SeniorNotesDue2032Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.450SeniorNotesDue2032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.625SeniorNotesDue2032Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.625SeniorNotesDue2032Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.000SeniorNotesDue2033Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.000SeniorNotesDue2033Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.125SeniorNotesDue2034Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.125SeniorNotesDue2034Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-SeniorNotesDue2034Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:SeniorNotesDue2034Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.375SeniorNotesDue2037Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.375SeniorNotesDue2037Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.500SeniorNotesDue2038Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.500SeniorNotesDue2038Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.100SeniorNotesDue2039Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.100SeniorNotesDue2039Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.500SeniorNotesDue2041Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A5.500SeniorNotesDue2041Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2044Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.000SeniorNotesDue2044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.875SeniorNotesDue2045Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A3.875SeniorNotesDue2045Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.500PercentSeniorNotesDue2045Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.500PercentSeniorNotesDue2045Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2054Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.000SeniorNotesDue2054Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.875SeniorNotesDue2058Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A5.875SeniorNotesDue2058Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.375SeniorNotesDue2064Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A4.375SeniorNotesDue2064Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <context id="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A6.125SeniorNotesDue2126Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652044</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">goog:A6.125SeniorNotesDue2126Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-05</startDate>
            <endDate>2026-06-05</endDate>
        </period>
    </context>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="Hidden_dei_Security12bTitle_duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember">Depositary Shares, each representing a 1/20th interest in a share of 6.25% of Series A Mandatory Convertible Preferred Stock, par value $0.001 per</dei:Security12bTitle>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="Hidden_dei_Security12bTitle_duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember">Depositary Shares, each representing a 1/20th interest in a share of 6.25% of Series B Mandatory Convertible Preferred Stock, par value $0.001 per</dei:Security12bTitle>
    <dei:CurrentFiscalYearEndDate
      contextRef="duration_2026-06-05_to_2026-06-05"
      id="Hidden_dei_CurrentFiscalYearEndDate">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:AmendmentFlag
      contextRef="duration_2026-06-05_to_2026-06-05"
      id="Hidden_dei_AmendmentFlag">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2026-06-05_to_2026-06-05"
      id="Hidden_dei_EntityCentralIndexKey">0001652044</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2026-06-05_to_2026-06-05" id="Fact_1">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2026-06-05_to_2026-06-05" id="Fact_0">2026-06-05</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-781">ALPHABET INC.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-782">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-783">001-37580</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-784">61-1767919</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-785">1600 Amphitheatre Parkway</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="duration_2026-06-05_to_2026-06-05" id="Fact_2">Mountain View</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2026-06-05_to_2026-06-05" id="Fact_3">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2026-06-05_to_2026-06-05" id="Fact_4">94043</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-789">650</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-790">253-0000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-791">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-792">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-793">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-794">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonClassAMember"
      id="ixv-795">Class&#160;A Common Stock, $0.001 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonClassAMember"
      id="ixv-796">GOOGL</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-CommonClassAMember"
      id="ixv-797">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-CapitalClassCMember"
      id="ixv-798">Class&#160;C Capital Stock, $0.001 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-CapitalClassCMember"
      id="ixv-799">GOOG</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-CapitalClassCMember"
      id="ixv-800">NASDAQ</dei:SecurityExchangeName>
    <dei:TradingSymbol
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="ixv-801">GOOGM</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesAMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="ixv-802">NASDAQ</dei:SecurityExchangeName>
    <dei:TradingSymbol
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="ixv-803">GOOGN</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-DepositarySharesEachRepresentingA120thInterestInAShareOf6.25PercentOfSeriesBMandatoryConvertiblePreferredStockParValue0.001PerShareMember"
      id="ixv-804">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.375SeniorNotesDue2028Member"
      id="ixv-805">2.375% Senior Notes due 2028</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.375SeniorNotesDue2028Member"
      id="Fact_7">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.375SeniorNotesDue2028Member"
      id="ixv-807">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.500SeniorNotesDue2029Member"
      id="ixv-808">2.500% Senior Notes due 2029</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.500SeniorNotesDue2029Member"
      id="Fact_8">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.500SeniorNotesDue2029Member"
      id="ixv-810">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.125SeniorNotesDue2029Member"
      id="ixv-811">4.125% Senior Notes due 2029</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.125SeniorNotesDue2029Member"
      id="Fact_9">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.125SeniorNotesDue2029Member"
      id="ixv-813">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-SeniorNotesMember"
      id="ixv-814">3.200% Senior Notes due 2030</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-SeniorNotesMember"
      id="Fact_10">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_us-gaap-SeniorNotesMember"
      id="ixv-816">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.875SeniorNotesDue2031Member"
      id="ixv-817">2.875% Senior Notes due 2031</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.875SeniorNotesDue2031Member"
      id="Fact_11">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A2.875SeniorNotesDue2031Member"
      id="ixv-819">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.450SeniorNotesDue2032Member"
      id="ixv-820">3.450% Senior Notes due 2032</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.450SeniorNotesDue2032Member"
      id="Fact_12">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.450SeniorNotesDue2032Member"
      id="ixv-822">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.625SeniorNotesDue2032Member"
      id="ixv-823">4.625% Senior Notes due 2032</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.625SeniorNotesDue2032Member"
      id="Fact_13">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.625SeniorNotesDue2032Member"
      id="ixv-825">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.000SeniorNotesDue2033Member"
      id="ixv-826">3.000% Senior Notes due 2033</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.000SeniorNotesDue2033Member"
      id="Fact_14">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.000SeniorNotesDue2033Member"
      id="ixv-828">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.125SeniorNotesDue2034Member"
      id="ixv-829">3.125% Senior Notes due 2034</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.125SeniorNotesDue2034Member"
      id="Fact_15">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.125SeniorNotesDue2034Member"
      id="ixv-831">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-SeniorNotesDue2034Member"
      id="ixv-832">3.625% Senior Notes due 2034</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-SeniorNotesDue2034Member"
      id="Fact_16">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-SeniorNotesDue2034Member"
      id="ixv-834">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.375SeniorNotesDue2037Member"
      id="ixv-835">3.375% Senior Notes due 2037</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.375SeniorNotesDue2037Member"
      id="Fact_17">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.375SeniorNotesDue2037Member"
      id="ixv-837">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.500SeniorNotesDue2038Member"
      id="ixv-838">3.500% Senior Notes due 2038</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.500SeniorNotesDue2038Member"
      id="Fact_18">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.500SeniorNotesDue2038Member"
      id="ixv-840">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.100SeniorNotesDue2039Member"
      id="ixv-841">4.100% Senior Notes due 2039</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.100SeniorNotesDue2039Member"
      id="Fact_19">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.100SeniorNotesDue2039Member"
      id="ixv-843">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.500SeniorNotesDue2041Member"
      id="ixv-844">5.500% Senior Notes due 2041</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.500SeniorNotesDue2041Member"
      id="Fact_20">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.500SeniorNotesDue2041Member"
      id="ixv-846">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2044Member"
      id="ixv-847">4.000% Senior Notes due 2044</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2044Member"
      id="Fact_21">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2044Member"
      id="ixv-849">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.875SeniorNotesDue2045Member"
      id="ixv-850">3.875% Senior Notes due 2045</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.875SeniorNotesDue2045Member"
      id="Fact_22">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A3.875SeniorNotesDue2045Member"
      id="ixv-852">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.500PercentSeniorNotesDue2045Member"
      id="ixv-853">4.500% Senior Notes due 2045</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.500PercentSeniorNotesDue2045Member"
      id="Fact_23">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.500PercentSeniorNotesDue2045Member"
      id="ixv-855">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2054Member"
      id="ixv-856">4.000% Senior Notes due 2054</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2054Member"
      id="Fact_24">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.000SeniorNotesDue2054Member"
      id="ixv-858">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.875SeniorNotesDue2058Member"
      id="ixv-859">5.875% Senior Notes due 2058</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.875SeniorNotesDue2058Member"
      id="Fact_25">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A5.875SeniorNotesDue2058Member"
      id="ixv-861">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.375SeniorNotesDue2064Member"
      id="ixv-862">4.375% Senior Notes due 2064</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.375SeniorNotesDue2064Member"
      id="Fact_26">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A4.375SeniorNotesDue2064Member"
      id="ixv-864">NASDAQ</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A6.125SeniorNotesDue2126Member"
      id="ixv-865">6.125% Senior Notes due 2126</dei:Security12bTitle>
    <dei:NoTradingSymbolFlag
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A6.125SeniorNotesDue2126Member"
      id="Fact_27">true</dei:NoTradingSymbolFlag>
    <dei:SecurityExchangeName
      contextRef="duration_2026-06-05_to_2026-06-05_us-gaap-StatementClassOfStockAxis_goog-A6.125SeniorNotesDue2126Member"
      id="ixv-867">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2026-06-05_to_2026-06-05" id="ixv-868">false</dei:EntityEmergingGrowthCompany>
</xbrl>
