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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001064728</identifier>
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        <period>
            <startDate>2026-08-04</startDate>
            <endDate>2026-08-04</endDate>
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    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001064728</identifier>
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            <startDate>2026-08-04</startDate>
            <endDate>2026-08-04</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
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    <unit id="Shares">
        <measure>shares</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-168">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-169">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-170">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-171">0001064728</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-172">PEABODY ENERGY CORP</dei:EntityRegistrantName>
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    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-203">Common Stock, par value $0.01 per share</ffd:OfferingSctyTitl>
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      unitRef="USD">21.55</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_1"
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      decimals="2"
      id="ixv-209"
      unitRef="USD">8928.16</ffd:FeeAmt>
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    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-212" unitRef="USD">0.00</ffd:TtlOffsetAmt>
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    <ffd:OfferingNote contextRef="offrl_1" id="ixv-214">Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement also covers an indeterminate number of shares of common stock of Peabody Energy Corporation, par value $0.01 per share (the "Common Stock"), that may be offered or issued under the Peabody Energy Corporation 2026 Incentive Plan as a result of a stock split, stock dividend or similar transaction. Estimated solely for purposes of calculating the registration fee pursuant to Rules 457(h) and (c) of the Securities Act. The proposed maximum offering price per share, proposed maximum aggregate offering price and the amount of the registration fee are based on the average of the high and low prices per share for the Common Stock as reported on the New York Stock Exchange on August 3, 2026.</ffd:OfferingNote>
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