<?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="From2026-09-11to2026-09-11">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001631463</identifier>
        </entity>
        <period>
            <startDate>2026-09-11</startDate>
            <endDate>2026-09-11</endDate>
        </period>
    </context>
    <context id="OfferingAxis_From2026-09-11to2026-09-11_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001631463</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-09-11</startDate>
            <endDate>2026-09-11</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Pure">
        <measure>pure</measure>
    </unit>
    <ffd:CombinedProspectusTableNa contextRef="From2026-09-11to2026-09-11" id="ixv-136">N/A</ffd:CombinedProspectusTableNa>
    <ffd:OffsetTableNa contextRef="From2026-09-11to2026-09-11" id="ixv-137">N/A</ffd:OffsetTableNa>
    <ffd:FeeExhibitTp contextRef="From2026-09-11to2026-09-11" id="ixv-138">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:SubmissnTp contextRef="From2026-09-11to2026-09-11" id="ixv-139">S-1</ffd:SubmissnTp>
    <dei:EntityCentralIndexKey contextRef="From2026-09-11to2026-09-11" id="ixv-140">0001631463</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="From2026-09-11to2026-09-11" id="ixv-141">BARREL ENERGY, INC.</dei:EntityRegistrantName>
    <ffd:FormTp
      contextRef="From2026-09-11to2026-09-11"
      id="fid_5e797e9f-1714-4b2a-9cc3-38b165b5e80d">S-1</ffd:FormTp>
    <ffd:PrevslyPdFlg
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      id="fid_384c7ea7-83cd-4df3-af0e-f5733954bab5">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      id="fid_d3cb9263-cb99-4c44-ae1b-119836d6efd4">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      id="fid_40383971-81bd-475a-bbdf-d46c2735e265">Common Stock, par value $0.001 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      id="fid_bb48d519-d96f-4187-8101-6270a184ae0f">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      decimals="INF"
      id="fid_9855b198-967a-484b-8c89-f2efcbe2b150"
      unitRef="USD">5000000</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      decimals="INF"
      id="fid_1ba2ea57-bbcd-47c7-b4b7-087280d4a929"
      unitRef="Pure">0.00013810</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      decimals="INF"
      id="fid_2acae4e5-a237-422f-815f-73c807703809"
      unitRef="USD">690.5</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="From2026-09-11to2026-09-11"
      decimals="INF"
      id="fid_522b52fc-75ba-4fdc-8767-e5595c920220"
      unitRef="USD">5000000</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="From2026-09-11to2026-09-11"
      decimals="INF"
      id="fid_3235277d-8501-4980-84d4-d0aa164e9112"
      unitRef="USD">690.5</ffd:TtlFeeAmt>
    <ffd:NetFeeAmt
      contextRef="From2026-09-11to2026-09-11"
      decimals="INF"
      id="fid_01598373-5a61-4893-9987-263193ace05b"
      unitRef="USD">690.5</ffd:NetFeeAmt>
    <ffd:OfferingNote
      contextRef="OfferingAxis_From2026-09-11to2026-09-11_1"
      id="fid_d9f9c767-16ef-4145-92c8-7a56ff169036">&lt;p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px 0px 0px 0in; text-align:justify;"&gt;The proposed maximum aggregate offering price is $5,000,000.00. The registration fee has been calculated pursuant to Rule 457(o) under the Securities Act of 1933, as amended, based on the maximum aggregate offering price of the securities being registered. At the Section 6(b) fee rate in effect for the federal government's fiscal year 2026 of $138.10 per $1,000,000 (0.00013810), the amount of the registration fee is $690.50.&lt;/p&gt;</ffd:OfferingNote>
</xbrl>
