<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  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/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="AsOf2026-10-01">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002079013</identifier>
        </entity>
        <period>
            <startDate>2026-10-01</startDate>
            <endDate>2026-10-01</endDate>
        </period>
    </context>
    <context id="From2026-10-012026-10-01_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002079013</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-10-01</startDate>
            <endDate>2026-10-01</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>
    <unit id="Ratio">
        <measure>pure</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="AsOf2026-10-01" id="Fact000003">0002079013</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="AsOf2026-10-01" id="xdx2ixbrl0009">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:TtlOffsetAmt
      contextRef="AsOf2026-10-01"
      id="xdx2ixbrl0027"
      unitRef="USD"
      xsi:nil="true"/>
    <ffd:SubmissnTp contextRef="AsOf2026-10-01" id="Fact000010">S-4</ffd:SubmissnTp>
    <ffd:FormTp contextRef="AsOf2026-10-01" id="Fact000011">S-4</ffd:FormTp>
    <ffd:OffsetTableNa contextRef="AsOf2026-10-01" id="Fact000012">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="AsOf2026-10-01" id="Fact000013">N/A</ffd:CombinedProspectusTableNa>
    <dei:EntityRegistrantName contextRef="AsOf2026-10-01" id="Fact000014">Hall Chadwick Acquisition Corp.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="From2026-10-012026-10-01_1" id="Fact000015">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="From2026-10-012026-10-01_1" id="Fact000016">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="From2026-10-012026-10-01_1" id="Fact000017">Common Stock, par value $0.0001</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="From2026-10-012026-10-01_1" id="Fact000018">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="From2026-10-012026-10-01_1"
      decimals="INF"
      id="Fact000019"
      unitRef="Shares">72116193</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="From2026-10-012026-10-01_1"
      decimals="INF"
      id="Fact000020"
      unitRef="USDPShares">10.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="From2026-10-012026-10-01_1"
      decimals="2"
      id="Fact000021"
      unitRef="USD">721161930.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="From2026-10-012026-10-01_1"
      decimals="INF"
      id="Fact000022"
      unitRef="Ratio">0.000087</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="From2026-10-012026-10-01_1"
      decimals="2"
      id="Fact000023"
      unitRef="USD">62741.08</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="AsOf2026-10-01"
      decimals="2"
      id="Fact000024"
      unitRef="USD">721161930.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="AsOf2026-10-01"
      decimals="2"
      id="Fact000025"
      unitRef="USD">62741.08</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="AsOf2026-10-01"
      decimals="0"
      id="Fact000026"
      unitRef="USD">0</ffd:TtlPrevslyPdAmt>
    <ffd:NetFeeAmt
      contextRef="AsOf2026-10-01"
      decimals="2"
      id="Fact000028"
      unitRef="USD">62741.08</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="From2026-10-012026-10-01_1" id="Fact000029">&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&#160;&lt;/p&gt;
&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"&gt;
&lt;tr style="vertical-align: top"&gt;
&lt;td style="width: 0.25in; text-align: left"&gt;(1)&lt;/td&gt;
&lt;td style="text-align: justify"&gt;Consists of 72,116,193 shares of Domesticated HCAC Common Stock to be issued or issuable in connection with the Business Combination, including (i) up to 20,700,000 shares upon conversion of HCAC Class A Ordinary Shares in the Domestication, (ii) 2,070,000 shares upon conversion of Public Rights at the Effective Time, (iii) 7,883,293 shares upon conversion of Founder Shares (HCAC Class B Ordinary Shares), (iv) 614,000 shares upon conversion of Private Placement Shares, (v) 61,400 shares upon conversion of Private Placement Rights at the Effective Time, (vi) up to 40,000,000 shares of Domesticated HCAC Common Stock (including 5,000,000 Earnout Shares) as consideration in the Merger to REEcycle stockholders, and (vii) 787,500 shares to be issued in exchange for financial advisory services to REEcycle.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="vertical-align: top"&gt;
&lt;td style="text-align: left"&gt;(2)&lt;/td&gt;
&lt;td style="text-align: justify"&gt;Pursuant to Rule&#160;416(a) promulgated under the Securities Act, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share dividends and/or similar transactions.&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="vertical-align: top"&gt;
&lt;td style="text-align: left"&gt;(3)&lt;/td&gt;
&lt;td style="text-align: justify"&gt;Calculated by multiplying the proposed maximum aggregate offering price of securities to be registered by the Fee Rate.&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&#160;&lt;/p&gt;

</ffd:OfferingNote>
</xbrl>
