<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  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/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001495825</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001495825</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="c_offering_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001495825</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001495825</identifier>
        </entity>
        <period>
            <startDate>2026-08-11</startDate>
            <endDate>2026-08-11</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">N-2/A</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001495825</dei:EntityCentralIndexKey>
    <ffd:RegnFileNb contextRef="c_report" id="fee_004">333-294872</ffd:RegnFileNb>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_007">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_008">N-2</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_009">Guggenheim Taxable Municipal Bond &amp; Investment Grade Debt Trust</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_010">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_011">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_012">Common shares of beneficial interest, $0.01 par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_1" id="fee_013">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="pure">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="c_offering_2" id="fee_017">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_018">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_019">Common shares of beneficial interest, $0.01 par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_2" id="fee_020">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_021"
      unitRef="USD">72477986.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_022"
      unitRef="USD">10009.21</ffd:FeeAmt>
    <ffd:OfferingSctyTp contextRef="c_offering_3" id="fee_023">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_3" id="fee_024">Common shares of beneficial interest, $0.01 par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule415a6Flg contextRef="c_offering_3" id="fee_025">true</ffd:Rule415a6Flg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_026"
      unitRef="USD">77522014.00</ffd:MaxAggtOfferingPric>
    <ffd:CfwdFormTp contextRef="c_offering_3" id="fee_027">N-2</ffd:CfwdFormTp>
    <ffd:CfwdPrrFileNb contextRef="c_offering_3" id="fee_028">333-267848</ffd:CfwdPrrFileNb>
    <ffd:CfwdPrrFctvDt contextRef="c_offering_3" id="fee_029">2023-04-12</ffd:CfwdPrrFctvDt>
    <ffd:CfwdPrevslyPdFee
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_030"
      unitRef="USD">8542.93</ffd:CfwdPrevslyPdFee>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_031"
      unitRef="USD">150000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_032"
      unitRef="USD">10009.21</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_033"
      unitRef="USD">10009.21</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_034"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_035"
      unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_036">The maximum aggregate offering price is estimated pursuant to Rule 457(o) under the Securities Act of 1933, as amended, (the &#x201c;Securities Act&#x201d;) solely for the purpose of determining the registration fee. The proposed maximum offering price per security will be determined, from time to time, by the Registrant in connection with the sale by the Registrant of the securities registered under the registration statement.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="fee_037">The Registrant previously paid $138.10 in connection with the filing of the Registrant&#x2019;s Registration Statement on Form N-2 (File No. 333-294872) with the Securities and Exchange Commission on April 3, 2026 and $9,871.11 in connection with the filing of the first pre-effective amendment to the Registrant's Registration statement on Form N-2 (File No. 333-294872) on August 14, 2026.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_3" id="fee_038">Pursuant to Rule 415(a)(6) under the Securities Act, the Registrant is carrying forward $77,522,014 aggregate principal offering price of unsold common shares of beneficial interest (the &#x201c;Unsold Shares&#x201d;) that were previously registered for sale under a Registration Statement filed on March 23, 2023 on Form N-2 (File No. 333-267848) and which became effective on April 12, 2023 (the &#x201c;Prior Registration Statement&#x201d;). The Registrant previously paid filing fees in the aggregate of $12,706.07 relating to the securities registered on the Prior Registration Statement. Pursuant to Rule 415(a)(6) under the Securities Act, the filing fees previously paid with respect to the Unsold Shares will continue to be applied to such Unsold Shares. Pursuant to Rule 415(a)(6) under the Securities Act, the offering of Unsold Shares under the Prior Registration Statement will be deemed terminated as of the date of effectiveness of this Registration Statement.</ffd:OfferingNote>
</xbrl>
