<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  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/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c0">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000078890</identifier>
        </entity>
        <period>
            <startDate>2026-04-28</startDate>
            <endDate>2026-04-28</endDate>
        </period>
    </context>
    <context id="c1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000078890</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-04-28</startDate>
            <endDate>2026-04-28</endDate>
        </period>
    </context>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="usdPershares">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c0" id="ixv-135">S-8</ffd:SubmissnTp>
    <ffd:FormTp contextRef="c0" id="ixv-136">S-8</ffd:FormTp>
    <ffd:PrevslyPdFlg contextRef="c1" id="ixv-137">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c1" id="ixv-138">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c1" id="ixv-139">Common Stock, $1.00 par value per share reserved for issuance under the Plan</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c1" id="ixv-140">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c1"
      decimals="INF"
      id="ixv-141"
      unitRef="shares">3900000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="c1"
      decimals="INF"
      id="ixv-142"
      unitRef="usdPershares">111.72</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric contextRef="c1" decimals="INF" id="ixv-143" unitRef="usd">435708000</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate contextRef="c1" decimals="INF" id="ixv-144" unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt contextRef="c1" decimals="2" id="ixv-145" unitRef="usd">60171.27</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="c0" decimals="INF" id="ixv-146" unitRef="usd">435708000</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="c0" decimals="2" id="ixv-147" unitRef="usd">60171.27</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="c0" decimals="0" id="ixv-148" unitRef="usd">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c0" decimals="2" id="ixv-149" unitRef="usd">60171.27</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c1" id="ixv-103">&lt;table style="letter-spacing: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; width: 100%; font-size: 10pt;"&gt;&lt;tr style="height: 0px; font-size: 0px;"&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%;"&gt;&#160;&lt;/td&gt;&lt;td style="width: 97%;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align: top;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align: top; text-align: justify;"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align: top;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;(a)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align: top; text-align: justify;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;Th&lt;/span&gt;e number of shares registered on the
Registration Statement consists of shares of common stock, par value $1.00 per
share (&#x201c;Common Stock&#x201d;) of The Brink&#x2019;s Company (the &#x201c;Registrant&#x201d;) reserved for
issuance under The Brink&#x2019;s Company 2024 Equity Incentive Plan, as amended and restated (the &#x201c;Plan&#x201d;).&#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align: top;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;(b)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align: top; text-align: justify;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;Pursuant to Rule 416(a)
promulgated under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;),
this Registration Statement shall also cover any additional shares of Common
Stock that become issuable under the Plan by reason of any future stock
dividend, stock split, reverse stock split, recapitalization, merger,
consolidation, reorganization, reclassification, combination, exchange of
shares or similar event or change in the Registrant&#x2019;s capital stock.&lt;/span&gt;&#160; &#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td style="vertical-align: top;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;(c)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align: top; text-align: justify;"&gt;&lt;span style="text-decoration-thickness: initial; float: none; display: inline !important;"&gt;Estimated in accordance with
Rule 457(c) and Rule 457(h) of the Securities Act. Pursuant to Rule 457(c) and
457(h) of the Securities Act, the proposed maximum offering price per share and
the proposed maximum aggregate offering price are estimated solely for the
purpose of calculating the amount of the registration fee. The price shown is
based upon the average of the high and low sales prices reported for the Common
Stock on the New York Stock Exchange on April 23, 2026 (rounded up to the
nearest cent).&lt;/span&gt;&#160; &#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</ffd:OfferingNote>
    <dei:EntityRegistrantName contextRef="c0" id="hidden-fact-0">BRINKS CO</dei:EntityRegistrantName>
    <dei:EntityCentralIndexKey contextRef="c0" id="ixv-153">0000078890</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="c0" id="ixv-154">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c0" id="ixv-155">N/A</ffd:OffsetTableNa>
</xbrl>
