<?xml version="1.0" encoding="utf-8"?>
<xbrl
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    <context id="P07_18_2025To07_18_2025">
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        <period>
            <startDate>2025-07-18</startDate>
            <endDate>2025-07-18</endDate>
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    <context id="P07_18_2025To07_18_2025_BusinessContactMemberdeiEntityAddressesAddressTypeAxis">
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        <period>
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            <endDate>2025-07-18</endDate>
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    <dei:EntityCentralIndexKey contextRef="P07_18_2025To07_18_2025" id="ixv-1442">0001837532</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="P07_18_2025To07_18_2025" id="ixv-1443">false</dei:AmendmentFlag>
    <dei:DocumentType contextRef="P07_18_2025To07_18_2025" id="hidden144594953">POS EX</dei:DocumentType>
    <dei:EntityAddressStateOrProvince contextRef="P07_18_2025To07_18_2025" id="hidden144594956">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressStateOrProvince
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      id="hidden144594957">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityRegistrantName contextRef="P07_18_2025To07_18_2025" id="ixv-1464">Apollo Debt Solutions BDC</dei:EntityRegistrantName>
    <dei:EntityAddressAddressLine1 contextRef="P07_18_2025To07_18_2025" id="ixv-1465">9 West 57th Street</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="P07_18_2025To07_18_2025" id="ixv-1466">New York</dei:EntityAddressCityOrTown>
    <dei:EntityAddressPostalZipCode contextRef="P07_18_2025To07_18_2025" id="ixv-1467">10019</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="P07_18_2025To07_18_2025" id="ixv-1468">212</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="P07_18_2025To07_18_2025" id="ixv-1469">515-3450</dei:LocalPhoneNumber>
    <dei:ContactPersonnelName
      contextRef="P07_18_2025To07_18_2025_BusinessContactMemberdeiEntityAddressesAddressTypeAxis"
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