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        <measure>pure</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-420">N-2</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-421">N-2ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-422">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-423">0001572694</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-424">Goldman Sachs BDC, Inc.</dei:EntityRegistrantName>
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    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-492">Common Stock, $0.001 par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-493">true</ffd:Rule457rFlg>
    <ffd:FeeRate
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      decimals="7"
      id="ixv-494"
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    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-498">true</ffd:Rule457rFlg>
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      id="ixv-499"
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    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-501">Other</ffd:OfferingSctyTp>
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    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-503">true</ffd:Rule457rFlg>
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      id="ixv-504"
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    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-506">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-507">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_4" id="ixv-508">true</ffd:Rule457rFlg>
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      decimals="7"
      id="ixv-509"
      unitRef="pure">0.0001381</ffd:FeeRate>
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    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-511">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-512">Subscription Rights</ffd:OfferingSctyTitl>
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      contextRef="offrl_5"
      decimals="7"
      id="ixv-514"
      unitRef="pure">0.0001381</ffd:FeeRate>
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    <ffd:OfferingNote contextRef="offrl_1" id="ixv-520">An indeterminate aggregate initial offering price or number of the securities of each identified class is being registered as may from time to time be offered hereunder by Goldman Sachs BDC, Inc. (the "registrant") at indeterminate prices, and includes such indeterminate number of such securities as may, from time to time, be issued upon conversion, redemption, repurchase, exchange or exercise of other securities registered hereunder, to the extent any such other securities are, by their terms, convertible or exchangeable for such securities, including under any applicable anti-dilution provisions; warrants include an indeterminate number of warrants as may be sold, from time to time separately or in combination with other securities registered hereunder, representing rights to purchase common stock, preferred stock or debt securities. In accordance with Rule 456(b) and Rule 457(r) under the Securities Act, as amended (the "Securities Act"), the registrant is deferring payment of all of the registration fees and will pay any registration fees subsequently on a pay-as-you-go basis.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-521">See Offering note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-522">See Offering note 1.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-523">See Offering note 1. Debt securities may be issued at an original issue discount or at a premium.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-524">See Offering note 1.</ffd:OfferingNote>
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