<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  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">
    <link:schemaRef
      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">0001694426</identifier>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001694426</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <context id="c-3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001694426</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <context id="c-4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001694426</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <context id="c-5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001694426</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <context id="c-6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001694426</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-09</startDate>
            <endDate>2026-06-09</endDate>
        </period>
    </context>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="c-1" id="f-56">0001694426</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="c-1" id="f-57">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:FormTp contextRef="c-1" id="f-1">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-1" id="f-2">S-8</ffd:SubmissnTp>
    <dei:EntityRegistrantName contextRef="c-1" id="f-3">Delek US Holdings, Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c-2" id="f-4">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c-2" id="f-5">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-2" id="f-6">Common Stock, par value $0.01 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-2" id="f-7">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd contextRef="c-2" decimals="0" id="f-8" unitRef="shares">5038087</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty contextRef="c-2" decimals="2" id="f-9" unitRef="usd">46.33</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric contextRef="c-2" decimals="2" id="f-10" unitRef="usd">233414570.71</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate contextRef="c-2" decimals="8" id="f-11" unitRef="number">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c-2" decimals="2" id="f-12" unitRef="usd">32234.55</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="c-1" decimals="2" id="f-13" unitRef="usd">233414570.71</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="c-1" decimals="2" id="f-14" unitRef="usd">32234.55</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="c-1" decimals="2" id="f-15" unitRef="usd">7834.69</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c-1" decimals="2" id="f-16" unitRef="usd">24399.86</ffd:NetFeeAmt>
    <ffd:OffsetClmdInd contextRef="c-3" id="f-17">true</ffd:OffsetClmdInd>
    <ffd:OffsetPrrFilerNm contextRef="c-3" id="f-18">Delek US Holdings, Inc.</ffd:OffsetPrrFilerNm>
    <ffd:Rule457pOffsetFlg contextRef="c-3" id="f-19">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFormTp contextRef="c-3" id="f-20">S-8</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c-3" id="f-21">333-287040</ffd:OffsetPrrFileNb>
    <ffd:OffsetClmInitlFilgDt contextRef="c-3" id="f-22">2025-05-07</ffd:OffsetClmInitlFilgDt>
    <ffd:OffsetClmdAmt contextRef="c-3" decimals="2" id="f-23" unitRef="usd">3828.11</ffd:OffsetClmdAmt>
    <ffd:OffsetPrrSctyTp contextRef="c-3" id="f-24">Equity</ffd:OffsetPrrSctyTp>
    <ffd:OffsetPrrSctyTitl contextRef="c-3" id="f-25">Common Stock, par value $0.01 per share</ffd:OffsetPrrSctyTitl>
    <ffd:OffsetPrrNbOfUnsoldScties contextRef="c-3" decimals="0" id="f-26" unitRef="shares">1900000</ffd:OffsetPrrNbOfUnsoldScties>
    <ffd:OffsetPrrUnsoldOfferingAmt contextRef="c-3" decimals="2" id="f-27" unitRef="usd">25004000</ffd:OffsetPrrUnsoldOfferingAmt>
    <ffd:OffsetClmdInd contextRef="c-4" id="f-28">true</ffd:OffsetClmdInd>
    <ffd:OffsetPrrFilerNm contextRef="c-4" id="f-29">Delek US Holdings, Inc.</ffd:OffsetPrrFilerNm>
    <ffd:Rule457pOffsetFlg contextRef="c-4" id="f-30">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFormTp contextRef="c-4" id="f-31">S-8</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c-4" id="f-32">333-271784</ffd:OffsetPrrFileNb>
    <ffd:OffsetClmInitlFilgDt contextRef="c-4" id="f-33">2023-05-09</ffd:OffsetClmInitlFilgDt>
    <ffd:OffsetClmdAmt contextRef="c-4" decimals="2" id="f-34" unitRef="usd">4006.58</ffd:OffsetClmdAmt>
    <ffd:OffsetPrrSctyTp contextRef="c-4" id="f-35">Equity</ffd:OffsetPrrSctyTp>
    <ffd:OffsetPrrSctyTitl contextRef="c-4" id="f-36">Common Stock, par value $0.01 per share</ffd:OffsetPrrSctyTitl>
    <ffd:OffsetPrrNbOfUnsoldScties contextRef="c-4" decimals="0" id="f-37" unitRef="shares">1838087</ffd:OffsetPrrNbOfUnsoldScties>
    <ffd:OffsetPrrUnsoldOfferingAmt contextRef="c-4" decimals="2" id="f-38" unitRef="usd">36357360.86</ffd:OffsetPrrUnsoldOfferingAmt>
    <ffd:OffsetClmdInd contextRef="c-5" id="f-39">false</ffd:OffsetClmdInd>
    <ffd:OffsetPrrFilerNm contextRef="c-5" id="f-40">Delek US Holdings, Inc.</ffd:OffsetPrrFilerNm>
    <ffd:Rule457pOffsetFlg contextRef="c-5" id="f-41">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFormTp contextRef="c-5" id="f-42">S-8</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c-5" id="f-43">333-287040</ffd:OffsetPrrFileNb>
    <ffd:OffsetSrcFilgDt contextRef="c-5" id="f-44">2025-05-07</ffd:OffsetSrcFilgDt>
    <ffd:OffsetPrrFeeAmt contextRef="c-5" decimals="2" id="f-45" unitRef="usd">3828.11</ffd:OffsetPrrFeeAmt>
    <ffd:OffsetClmdInd contextRef="c-6" id="f-46">false</ffd:OffsetClmdInd>
    <ffd:OffsetPrrFilerNm contextRef="c-6" id="f-47">Delek US Holdings, Inc.</ffd:OffsetPrrFilerNm>
    <ffd:Rule457pOffsetFlg contextRef="c-6" id="f-48">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFormTp contextRef="c-6" id="f-49">S-8</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c-6" id="f-50">333-271784</ffd:OffsetPrrFileNb>
    <ffd:OffsetSrcFilgDt contextRef="c-6" id="f-51">2023-05-09</ffd:OffsetSrcFilgDt>
    <ffd:OffsetPrrFeeAmt contextRef="c-6" decimals="2" id="f-52" unitRef="usd">4006.58</ffd:OffsetPrrFeeAmt>
    <ffd:TermntnCmpltnWdrwl contextRef="c-4" id="f-54">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), this Registration Statement shall also cover any additional securities that may be offered or issued pursuant to the Delek US Holdings, Inc. 2026 Long-Term Incentive Plan, as amended (the &#x201c;2026 Plan&#x201d;) as a result of adjustments for stock dividends, stock splits or similar transactions effected without receipt of consideration, that increase the number of outstanding shares of the common stock, par value $0.01 per share (the &#x201c;Common Stock&#x201d;) of Delek US Holdings, Inc. (the &#x201c;Company&#x201d;).</ffd:TermntnCmpltnWdrwl>
    <ffd:TermntnCmpltnWdrwl contextRef="c-3" id="f-53">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), this Registration Statement shall also cover any additional securities that may be offered or issued pursuant to the Delek US Holdings, Inc. 2026 Long-Term Incentive Plan, as amended (the &#x201c;2026 Plan&#x201d;) as a result of adjustments for stock dividends, stock splits or similar transactions effected without receipt of consideration, that increase the number of outstanding shares of the common stock, par value $0.01 per share (the &#x201c;Common Stock&#x201d;) of Delek US Holdings, Inc. (the &#x201c;Company&#x201d;).</ffd:TermntnCmpltnWdrwl>
    <ffd:OfferingNote contextRef="c-2" id="f-55">&lt;div style="margin-bottom:8pt;margin-top:6.3pt;padding-right:26.25pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:101%"&gt;Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) and Rule 457(h) of the Securities Act, based upon the average of the high and low sales prices of the Common Stock on the New York Stock Exchange on June 4, 2026.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:5pt;padding-right:21.75pt;text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:101%"&gt;The Company previously registered (i) 1,900,000 shares of Common Stock pursuant to the Registration Statement on Form S-8 (File Number 333-287040) filed on May 7, 2025 and (ii) 2,015,000 shares of Common Stock pursuant to the Registration Statement on Form S-8 (File Number 333-271784) filed on May 9, 2023 (collectively, the "Prior Registration Statements"). Any offerings that included the unsold securities registered thereunder have been terminated. The Company expects to offset the registration fee due hereunder by an amount of fees that was previously paid with respect to the Prior Registration Statements pursuant to Rule 457(p) under the Securities Act. The fee previously paid for the Prior Registration Statements was $8,220.32. Pursuant to Rule 457(p) under the Securities Act, $7,834.69 of the previously paid fee remains available for fee offsets by the Registrant as of the date of this Registration Statement. Pursuant to Rule 457(p) under the Securities Act, the Registrant hereby offsets $7,834.69 of the registration fee due under this Registration Statement from the fees previously paid in connection with the Prior Registration Statements.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
</xbrl>
