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  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:_2="http://www.w3.org/1999/xhtml"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
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  xmlns:xlink="http://www.w3.org/1999/xlink">
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      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="c-1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
        </entity>
        <period>
            <startDate>2026-08-12</startDate>
            <endDate>2026-08-12</endDate>
        </period>
    </context>
    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000074303</identifier>
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                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
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        <period>
            <startDate>2026-08-12</startDate>
            <endDate>2026-08-12</endDate>
        </period>
    </context>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="pricepershare">
        <measure>_2:pricePerShare</measure>
    </unit>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
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    <dei:EntityCentralIndexKey contextRef="c-1" id="f-17">0000074303</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="c-1" id="f-18">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-1" id="f-19">N/A</ffd:OffsetTableNa>
    <ffd:FormTp contextRef="c-1" id="f-1">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c-1" id="f-2">OLIN CORPORATION</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c-2" id="f-3">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c-2" id="f-4">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-2" id="f-5">Common Stock, par value $1.00 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-2" id="f-6">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd contextRef="c-2" decimals="0" id="f-7" unitRef="shares">5000000</ffd:AmtSctiesRegd>
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      contextRef="c-2"
      decimals="2"
      id="f-8"
      unitRef="pricepershare">18.67</ffd:MaxOfferingPricPerScty>
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    <ffd:FeeRate contextRef="c-2" decimals="INF" id="f-10" unitRef="number">0.0001381</ffd:FeeRate>
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    <ffd:TtlFeeAmt contextRef="c-1" decimals="2" id="f-13" unitRef="usd">12891.64</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="c-1" decimals="0" id="f-14" unitRef="usd">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c-1" decimals="2" id="f-15" unitRef="usd">12891.64</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c-2" id="f-16">&lt;div style="padding-left:18pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%;padding-left:3.35pt"&gt;Pursuant to Rule 416(a) and 416(c) under the Securities Act of 1933, as amended (&#x201c;Securities Act&#x201d;), the Registration Statement shall also cover an indeterminate amount of interests to be offered or sold pursuant to the Olin Corporation Retirement Savings Plan (&#x201c;Plan&#x201d;) and any additional shares of Common Stock which become issuable under the Plan by reason of any stock dividend, stock split, recapitalization or other similar transaction effected without the receipt of consideration which results in an increase in the number of outstanding shares of Common Stock.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-align:justify;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%;padding-left:3.35pt"&gt;The proposed maximum offering price per unit is estimated pursuant to Rules 457(c) and (h) under the Securities Act solely for purposes of calculating the amount of the registration fee, based upon the average of the high and low prices per share of Common Stock of Olin Corporation as reported on the New York Stock Exchange on August 10, 2026.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
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