<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2024"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2024q2"
  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">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2024q2/ffd-2024q2.xsd"
      xlink:type="simple"/>
    <context id="P08_16_2024To08_16_2024">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001828811</identifier>
        </entity>
        <period>
            <startDate>2024-08-16</startDate>
            <endDate>2024-08-16</endDate>
        </period>
    </context>
    <context id="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001828811</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-08-16</startDate>
            <endDate>2024-08-16</endDate>
        </period>
    </context>
    <context id="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001828811</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-08-16</startDate>
            <endDate>2024-08-16</endDate>
        </period>
    </context>
    <context id="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001828811</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-08-16</startDate>
            <endDate>2024-08-16</endDate>
        </period>
    </context>
    <context id="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001828811</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-08-16</startDate>
            <endDate>2024-08-16</endDate>
        </period>
    </context>
    <unit id="Unit_USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Unit_pure">
        <measure>pure</measure>
    </unit>
    <unit id="Unit_shares">
        <measure>shares</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="P08_16_2024To08_16_2024" id="ixv-328">0001828811</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="P08_16_2024To08_16_2024" id="ixv-329">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:PrevslyPdFlg
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      id="ixv-330">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      id="ixv-331">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      id="ixv-332">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      id="ixv-333">false</ffd:PrevslyPdFlg>
    <ffd:FormTp contextRef="P08_16_2024To08_16_2024" id="ixv-385">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="P08_16_2024To08_16_2024" id="ixv-386">S-8</ffd:SubmissnTp>
    <dei:EntityRegistrantName contextRef="P08_16_2024To08_16_2024" id="ixv-25">Li-Cycle Holdings Corp.</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      id="ixv-387">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      id="ixv-388">Common shares</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      id="ixv-389">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      decimals="0"
      id="ixv-390"
      unitRef="Unit_shares">100628</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-391"
      unitRef="Unit_pure">54.36</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-392"
      unitRef="Unit_USD">5470138.08</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      decimals="INF"
      id="ixv-393"
      unitRef="Unit_pure">0.0001476</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-394"
      unitRef="Unit_USD">807.4</ffd:FeeAmt>
    <ffd:OfferingSctyTp
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      id="ixv-395">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      id="ixv-396">Common Shares</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      id="ixv-397">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      decimals="0"
      id="ixv-398"
      unitRef="Unit_shares">397198</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-399"
      unitRef="Unit_pure">2.59</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-400"
      unitRef="Unit_USD">1028742.82</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      decimals="INF"
      id="ixv-401"
      unitRef="Unit_pure">0.0001476</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-402"
      unitRef="Unit_USD">151.85</ffd:FeeAmt>
    <ffd:OfferingSctyTp
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      id="ixv-403">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      id="ixv-404">Common Shares</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      id="ixv-405">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      decimals="0"
      id="ixv-406"
      unitRef="Unit_shares">1122884</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-407"
      unitRef="Unit_pure">2.59</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-408"
      unitRef="Unit_USD">2908269.56</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      decimals="INF"
      id="ixv-409"
      unitRef="Unit_pure">0.0001476</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-410"
      unitRef="Unit_USD">429.27</ffd:FeeAmt>
    <ffd:OfferingSctyTp
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      id="ixv-411">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      id="ixv-412">Common Shares</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      id="ixv-413">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      decimals="0"
      id="ixv-414"
      unitRef="Unit_shares">1613111</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-415"
      unitRef="Unit_pure">2.59</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-416"
      unitRef="Unit_USD">4177957.49</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      decimals="INF"
      id="ixv-417"
      unitRef="Unit_pure">0.0001476</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      decimals="2"
      id="ixv-418"
      unitRef="Unit_USD">616.67</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="P08_16_2024To08_16_2024"
      decimals="2"
      id="ixv-419"
      unitRef="Unit_USD">13585107.95</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="P08_16_2024To08_16_2024"
      decimals="2"
      id="ixv-420"
      unitRef="Unit_USD">2005.19</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt
      contextRef="P08_16_2024To08_16_2024"
      decimals="0"
      id="ixv-421"
      unitRef="Unit_USD">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="P08_16_2024To08_16_2024"
      decimals="2"
      id="ixv-422"
      unitRef="Unit_USD">2005.19</ffd:NetFeeAmt>
    <ffd:OfferingNote
      contextRef="P08_16_2024To08_16_2024_1TypedMemberffdOfferingAxis"
      id="ixv-285">Represents Common Shares issuable upon the exercise of outstanding options governed by the Li-Cycle Holdings Corp. 2021 Incentive Award Plan (the &#x201c;&lt;div style="letter-spacing: 0px; top: 0px;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Plan&lt;/div&gt;&lt;/div&gt;&#x201d;).&lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: left; line-height: normal;"&gt;Determined in accordance with Rules 457(h) &lt;div style="display:inline;"&gt;under &lt;/div&gt;the &lt;div style="display:inline;"&gt;Securities &lt;/div&gt;Act, &lt;div style="display:inline;"&gt;solely &lt;/div&gt;for &lt;div style="display:inline;"&gt;the &lt;/div&gt;purpose of determining the registration fee. The offering price per share and the aggregate offering price for outstanding options governed under the Plan are based upon the weighted-average exercise price of such outstanding options. &lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote
      contextRef="P08_16_2024To08_16_2024_2TypedMemberffdOfferingAxis"
      id="ixv-423">Represents Common Shares issuable upon the vesting of outstanding performance stock units granted to the Selling Securityholders under the Plan.&lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: left; line-height: normal;"&gt;Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) of the Securities Act on the basis of the average of the high and low prices of the Common Shares on the New York Stock Exchange on August 13, 2024, within five business days prior to filing. &lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote
      contextRef="P08_16_2024To08_16_2024_3TypedMemberffdOfferingAxis"
      id="ixv-424">Represents Common Shares issuable upon the vesting of outstanding restricted stock units granted to the Selling Securityholders under the Plan.&lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: left; line-height: normal;"&gt;Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) of the Securities Act on the basis of the average of the high and low prices of the Common Shares on the New York Stock Exchange on August 13, 2024, within five business days prior to filing. &lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote
      contextRef="P08_16_2024To08_16_2024_4TypedMemberffdOfferingAxis"
      id="ixv-425">Represents Common Shares reserved for issuance under new awards to be granted under the Plan.&lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: left; line-height: normal;"&gt;Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) of the Securities Act on the basis of the average of the high and low prices of the Common Shares on the New York Stock Exchange on August 13, 2024, within five business days prior to filing. &lt;/div&gt;</ffd:OfferingNote>
</xbrl>
