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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001276520</identifier>
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        <period>
            <startDate>2026-07-28</startDate>
            <endDate>2026-07-28</endDate>
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            <identifier scheme="http://www.sec.gov/CIK">0001276520</identifier>
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        <period>
            <startDate>2026-07-28</startDate>
            <endDate>2026-07-28</endDate>
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    <unit id="shares">
        <measure>shares</measure>
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    <unit id="usd">
        <measure>iso4217:USD</measure>
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    <unit id="number">
        <measure>pure</measure>
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    <dei:EntityCentralIndexKey contextRef="c-1" id="f-18">0001276520</dei:EntityCentralIndexKey>
    <ffd:FeeExhibitTp contextRef="c-1" id="f-19">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-1" id="f-20">N/A</ffd:OffsetTableNa>
    <ffd:SubmissnTp contextRef="c-1" id="f-1">S-8</ffd:SubmissnTp>
    <ffd:FormTp contextRef="c-1" id="f-2">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c-1" id="f-3">Genworth Financial, Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c-2" id="f-4">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c-2" id="f-5">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-2" id="f-6">Common Stock, par value $.001</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-2" id="f-7">true</ffd:FeesOthrRuleFlg>
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    <ffd:TtlOfferingAmt contextRef="c-1" decimals="0" id="f-13" unitRef="usd">60600000</ffd:TtlOfferingAmt>
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    <ffd:OfferingNote contextRef="c-2" id="f-17">&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:0.58pt"&gt;Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), this Registration Statement on Form S-8 also registers, in addition to the number of shares stated above, any additional shares of Genworth Financial, Inc.&#x2019;s (the &#x201c;Registrant&#x201d;) common stock, par value $.001 per share (&#x201c;Common Stock&#x201d;), that may become issuable in accordance with the adjustment and anti-dilution provisions of the 2026 Genworth Financial, Inc. Associate Stock Purchase Plan. &lt;/span&gt;&lt;div style="padding-left:12.24pt;text-indent:-12.24pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2)&lt;/span&gt;&lt;span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:0.58pt"&gt;Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, based upon the average of the high and low prices of the Registrant&#x2019;s Common Stock as reported on the New York Stock Exchange on July 21, 2026.&lt;/span&gt;&lt;/div&gt;</ffd:OfferingNote>
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