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      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;This
&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;semi-annual
shareholder report&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;
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1, 2026, to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;June 30, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
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      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;You
can find additional information about the Fund at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;https://www.franklintempleton.com/regulatory-fund-documents&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.
You can also &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;request this information
by contacting us at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;(800)
225-1581&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.&lt;/span&gt;</oef:AddlInfoTextBlock>
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
WERE THE FUND COSTS FOR THE LAST SIX MONTHS? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(based
on a hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #E6FAFF;border-left:1.5pt solid #E6FAFF; border-right:1.5pt solid #E6FAFF; border-bottom:1.5pt solid #E6FAFF; margin-left:7.9pt;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:50%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:22.33812949640288%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:27.661870503597125%;background-color:#E6FAFF;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Class
        Name&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        of a $10,000 &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;investment&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
        paid as a percentage of a &lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;$10,000
        investment&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;sup&gt;&#x2020;&lt;/sup&gt;&lt;/span&gt;
        &lt;/div&gt; &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;Class
        IA&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt; &lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$34&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;0.66%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7948_853094-1021"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="foot-7948_853094-1031"
      unitRef="RATIO">0.0066</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-210"
      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;KEY
FUND STATISTICS &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #6B6B6B;margin-left:7.75pt;border-bottom:1.5pt solid #6B6B6B;margin-top:10px;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:74.41007194244604%;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:25.58992805755396%;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Net Assets&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$175,701,681&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
        Number of Portfolio Holdings (excludes derivatives, except purchased options, if any)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;136&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Portfolio
        Turnover Rate&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;7%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30Member"
      decimals="INF"
      id="ixv-15042"
      unitRef="USD">175701681</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30Member"
      decimals="INF"
      id="ixv-15043"
      unitRef="UNIT">136</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      decimals="INF"
      id="ixv-15044"
      unitRef="RATIO">0.07</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      id="foot-7948_864201-1011"
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
DID THE FUND INVEST IN? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
of &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;June 30, 2026)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;Portfolio Composition&lt;/b&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;sup&gt;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;color:#161616;;"&gt;&lt;b&gt;&#160;&#x2009;(%
of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7948img004.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-300"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <dei:NoTradingSymbolFlag
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_ClassIA_2026-01-01_2026-06-30Member"
      id="ixv-15045">true</dei:NoTradingSymbolFlag>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3992Member"
      decimals="INF"
      id="ixv-15046"
      unitRef="RATIO">0.310</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3994Member"
      decimals="INF"
      id="ixv-15047"
      unitRef="RATIO">0.166</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3996Member"
      decimals="INF"
      id="ixv-15048"
      unitRef="RATIO">0.116</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3995Member"
      decimals="INF"
      id="ixv-15049"
      unitRef="RATIO">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3993Member"
      decimals="INF"
      id="ixv-15050"
      unitRef="RATIO">0.095</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3997Member"
      decimals="INF"
      id="ixv-15051"
      unitRef="RATIO">0.066</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3998Member"
      decimals="INF"
      id="ixv-15052"
      unitRef="RATIO">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_4002Member"
      decimals="INF"
      id="ixv-15053"
      unitRef="RATIO">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_3999Member"
      decimals="INF"
      id="ixv-15054"
      unitRef="RATIO">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_4000Member"
      decimals="INF"
      id="ixv-15055"
      unitRef="RATIO">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_4001Member"
      decimals="INF"
      id="ixv-15056"
      unitRef="RATIO">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7948_instant_PutnamVTCoreEquityFund_ClassIA_2026-06-30_4003Member"
      decimals="INF"
      id="ixv-15057"
      unitRef="RATIO">0.033</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-339"
      xml:lang="en-US">Putnam         VT Core Equity Fund</oef:FundName>
    <oef:ClassName
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-345"
      xml:lang="en-US">Class         IB</oef:ClassName>
    <dei:DocumentPeriodEndDate
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_2026-01-01_2026-06-30Member"
      id="ixv-350"
      xml:lang="en-US">2026-06-30</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-357"
      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;This
&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;semi-annual
shareholder report&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;
contains important information about &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;Putnam
VT Core Equity Fund for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;January
1, 2026, to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;June 30, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7948_duration_PutnamVTCoreEquityFund_2026-01-01_2026-06-30Member"
      id="ixv-359"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-366"
      xml:lang="en-US">&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;You
can find additional information about the Fund at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;https://www.franklintempleton.com/regulatory-fund-documents&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.
You can also &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;request this information
by contacting us at &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;(800)
225-1581&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-368"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
      id="ixv-372"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7949_duration_PutnamVTCoreEquityFund_ClassIB_2026-01-01_2026-06-30Member"
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      xml:lang="en-US">

&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
WERE THE FUND COSTS FOR THE LAST SIX MONTHS? &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(based
on a hypothetical $10,000 investment)&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #E6FAFF;border-left:1.5pt solid #E6FAFF; border-right:1.5pt solid #E6FAFF; border-bottom:1.5pt solid #E6FAFF; margin-left:7.9pt;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:50%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:22.33812949640288%;background-color:#E6FAFF;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:27.661870503597125%;background-color:#E6FAFF;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Class
        Name&lt;/b&gt;&lt;/span&gt;&lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
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    &lt;td colspan="1" style="background-color:#E6FAFF;;border-bottom:1.5pt solid #1447FF;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;&lt;b&gt;Costs
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  &lt;tr&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;;"&gt;Class
        IB&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;1&lt;/sup&gt;&lt;/span&gt; &lt;/div&gt; &lt;/td&gt;
    &lt;td colspan="1" style="background-color:#E6FAFF;;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$47&lt;/span&gt;&lt;/div&gt;
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    &lt;td colspan="1" style="background-color:#E6FAFF;;white-space:nowrap;vertical-align:bottom"&gt;
        &lt;div style="background-color:#E6FAFF;padding-left:2pt;padding-top:1.5pt;padding-bottom:0;align:center;text-align:center;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;0.91%&lt;/span&gt;&lt;/div&gt;
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;KEY
FUND STATISTICS &lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.824pt;color:#2D2D2D;;"&gt;(as
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&lt;div&gt;

&lt;table cellspacing="0" style="width:98%;cellspacing:0;border-top:1.5pt solid #6B6B6B;margin-left:7.75pt;border-bottom:1.5pt solid #6B6B6B;margin-top:10px;"&gt;
  &lt;tr style="height:1px;"&gt;
    &lt;td style="height:1px;width:74.41007194244604%;"&gt;&lt;/td&gt;
    &lt;td style="height:1px;width:25.58992805755396%;"&gt;&lt;/td&gt; &lt;/tr&gt;
  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
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    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:bottom"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:right;text-align:right;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;"&gt;$175,701,681&lt;/span&gt;&lt;/div&gt;
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  &lt;tr&gt;
    &lt;td colspan="1" style="border-bottom:0.75pt solid #6B6B6B;vertical-align:top"&gt;
        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Total
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  &lt;tr&gt;
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        &lt;div style="background-color:#FFFFFF;padding-left:2pt;padding-top:1pt;padding-bottom:0;align:left;text-align:left;padding-right:2pt;font-family:Arial, Helvetica, sans-serif;font-size:10pt;margin-top:1pt;margin-bottom:0;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#2D2D2D;;"&gt;&lt;b&gt;Portfolio
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    &lt;td colspan="1" style="white-space:nowrap;vertical-align:bottom"&gt;
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&lt;div&gt;&lt;span style="text-transform:uppercase;"&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:12.024pt;text-transform:uppercase;color:#1447FF;;"&gt;&lt;b&gt;WHAT
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