<?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">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>7</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-7">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c-8">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000937098</identifier>
        </entity>
        <period>
            <startDate>2026-01-01</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="c-8" id="f-36">0000937098</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="c-8" id="f-37">TRINET GROUP, INC.</dei:EntityRegistrantName>
    <ffd:FormTp contextRef="c-8" id="f-38">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-8" id="f-39">S-3ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c-8" id="f-40">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-8" id="f-41">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c-8" id="f-42">N/A</ffd:CombinedProspectusTableNa>
    <ffd:NetFeeAmt contextRef="c-8" decimals="0" id="f-43" unitRef="usd">0</ffd:NetFeeAmt>
    <ffd:TtlOfferingAmt contextRef="c-8" decimals="0" id="f-44" unitRef="usd">0</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="c-8" decimals="0" id="f-45" unitRef="usd">0</ffd:TtlFeeAmt>
    <ffd:PrevslyPdFlg contextRef="c-1" id="f-1">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-2" id="f-2">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-3" id="f-3">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-4" id="f-4">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-5" id="f-5">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-6" id="f-6">false</ffd:PrevslyPdFlg>
    <ffd:PrevslyPdFlg contextRef="c-7" id="f-7">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c-7" id="f-8">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-7" id="f-9">Common Stock, par value $0.000025 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-7" id="f-10">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-1" id="f-11">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-1" id="f-12">Preferred Stock, par value $0.000025 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-1" id="f-13">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-2" id="f-14">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-2" id="f-15">Depositary Shares</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-2" id="f-16">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-3" id="f-17">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-3" id="f-18">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-3" id="f-19">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-4" id="f-20">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-4" id="f-21">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-4" id="f-22">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-5" id="f-23">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-5" id="f-24">Purchase Contracts</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-5" id="f-25">true</ffd:Rule457rFlg>
    <ffd:OfferingSctyTp contextRef="c-6" id="f-26">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-6" id="f-27">Units (3)</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="c-6" id="f-28">true</ffd:Rule457rFlg>
    <ffd:OfferingNote contextRef="c-7" id="f-35">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-2" id="f-34">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-1" id="f-33">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-4" id="f-32">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-3" id="f-31">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-6" id="f-30">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;Any securities registered hereunder may be sold separately or as units with other securities registered hereunder.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c-5" id="f-29">An indeterminate amount of securities to be offered at indeterminate prices is being registered pursuant to this registration statement.&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%"&gt;(2)  The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay &#x201c;pay-as-you-go registration fees&#x201d; in accordance with Rule 456(b). The registrant will calculate the registration fee applicable to an offer of securities pursuant to this registration statement based on the fee payment rate in effect on the date of such fee payment.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
</xbrl>