<?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"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002081206</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-06-29</startDate>
            <endDate>2026-06-29</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002081206</identifier>
        </entity>
        <period>
            <startDate>2026-06-29</startDate>
            <endDate>2026-06-29</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0002081206</dei:EntityCentralIndexKey>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_004">false</ffd:PrevslyPdFlg>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">AGI Inc</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_009">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_010">Class A common share reserved for issuance under the AGI Inc Partnership Program</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_1" id="fee_011">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_1"
      decimals="0"
      id="fee_012"
      unitRef="shares">7100000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_013"
      unitRef="USD">6.18</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="USD">43878000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="USD">6059.55</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_017"
      unitRef="USD">43878000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_018"
      unitRef="USD">6059.55</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_019"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_020"
      unitRef="USD">6059.55</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_021">Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), this registration statement (the &#x201c;Registration Statement&#x201d;) shall also cover any additional shares of Class A common share that become issuable under the AGI Inc Partnership Program as a result of any stock dividend, stock split, recapitalization, or other similar transaction.&lt;br/&gt;&lt;br/&gt;(2)	Estimated solely for the purpose of determining the registration fee pursuant to Rules 457(c) and (h) under the Securities Act, based on the average of the high and low prices of Class A common shares as reported on the New York Stock Exchange on September 18, 2026.&lt;br/&gt;&lt;br/&gt;(3)	Rounded up to the nearest cent.&lt;br/&gt;</ffd:OfferingNote>
</xbrl>
