<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:PCG="http://pge.com/20230913"
  xmlns:dei="http://xbrl.sec.gov/dei/2023"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2023"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="pcg-20230913.xsd" xlink:type="simple"/>
    <context id="AsOf2023-09-13">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">PCG:PacificGasAndElectricCompanyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_CommonStockNoParValueMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:CommonStockNoParValueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare6NonredeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare6NonredeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5.50NonredeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare5.50NonredeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5NonredeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare5NonredeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5RedeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare5RedeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5SeriesRedeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare5SeriesRedeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.80RedeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare4.80RedeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.50RedeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare4.50RedeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <context id="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.36RedeemableMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001004980</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">PCG:FirstPreferredStockCumulativeParValue25PerShare4.36RedeemableMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2023-09-13</startDate>
            <endDate>2023-09-13</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <unit id="USDPShares">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <dei:EntityCentralIndexKey contextRef="AsOf2023-09-13">0001004980</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="AsOf2023-09-13">false</dei:AmendmentFlag>
    <dei:DocumentType contextRef="AsOf2023-09-13">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="AsOf2023-09-13">2023-09-13</dei:DocumentPeriodEndDate>
    <dei:EntityFileNumber contextRef="AsOf2023-09-13">001-12609</dei:EntityFileNumber>
    <dei:EntityRegistrantName contextRef="AsOf2023-09-13">PG&amp;E Corporation</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2023-09-13">CA</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber contextRef="AsOf2023-09-13">94-3234914</dei:EntityTaxIdentificationNumber>
    <dei:EntityFileNumber contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">001-02348</dei:EntityFileNumber>
    <dei:EntityRegistrantName contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">Pacific Gas and Electric Company</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">CA</dei:EntityIncorporationStateCountryCode>
    <dei:EntityTaxIdentificationNumber contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">94-0742640</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="AsOf2023-09-13">300 Lakeside Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine1 contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">300 Lakeside Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="AsOf2023-09-13">Oakland</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="AsOf2023-09-13">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="AsOf2023-09-13">94612</dei:EntityAddressPostalZipCode>
    <dei:EntityAddressCityOrTown contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">Oakland</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">CA</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">94612</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="AsOf2023-09-13">(415)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="AsOf2023-09-13">973-1000</dei:LocalPhoneNumber>
    <dei:CityAreaCode contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">415</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">973-7000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="AsOf2023-09-13">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="AsOf2023-09-13">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="AsOf2023-09-13">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2023-09-13">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_CommonStockNoParValueMember">Common stock, no par value&#160;</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_CommonStockNoParValueMember">PCG&#160;</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_CommonStockNoParValueMember">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare6NonredeemableMember">First preferred stock, cumulative, par value $25 per share, 6% nonredeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare6NonredeemableMember">PCG-PA</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare6NonredeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5.50NonredeemableMember">First preferred stock, cumulative, par value $25 per share, 5.50% nonredeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5.50NonredeemableMember">PCG-PB</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5.50NonredeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5NonredeemableMember">First preferred stock, cumulative, par value $25 per share, 5% nonredeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5NonredeemableMember">PCG-PC</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5NonredeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5RedeemableMember">First preferred stock, cumulative, par value $25 per share, 5% redeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5RedeemableMember">PCG-PD</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5RedeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5SeriesRedeemableMember">First preferred stock, cumulative, par value $25 per share, 5% series A redeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5SeriesRedeemableMember">PCG-PE</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare5SeriesRedeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.80RedeemableMember">First preferred stock, cumulative, par value $25 per share, 4.80% redeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.80RedeemableMember">PCG-PG</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.80RedeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.50RedeemableMember">First preferred stock, cumulative, par value $25 per share, 4.50% redeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.50RedeemableMember">PCG-PH</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.50RedeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.36RedeemableMember">First preferred stock, cumulative, par value $25 per share, 4.36% redeemable</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.36RedeemableMember">PCG-PI</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="From2023-09-132023-09-13_custom_FirstPreferredStockCumulativeParValue25PerShare4.36RedeemableMember">NYSEAMER</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="AsOf2023-09-13">false</dei:EntityEmergingGrowthCompany>
    <dei:EntityEmergingGrowthCompany contextRef="From2023-09-132023-09-13_custom_PacificGasAndElectricCompanyMember">false</dei:EntityEmergingGrowthCompany>
</xbrl>
