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    <dei:EntityRegistrantName
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-35311">Putnam Diversified Income Trust</dei:EntityRegistrantName>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-35312"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:FundName
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-86"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-95"
      xml:lang="en-US">Class         A</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-98"
      xml:lang="en-US">PDINX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-105"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-112"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-114"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-122"
      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_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-124"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-128"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="foot-7153_779069-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        A&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;$48&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;0.96%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35313"
      unitRef="USD">48</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7153_779069-1021"
      unitRef="RATIO">0.0096</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-203"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31Member"
      decimals="INF"
      id="ixv-35315"
      unitRef="USD">919774961</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31Member"
      decimals="INF"
      id="ixv-35316"
      unitRef="UNIT">780</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35317"
      unitRef="RATIO">2.11</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="foot-7153_779076-1011"
      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
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;March 31, 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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7153img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_ClassA_2025-10-01_2026-03-31Member"
      id="ixv-293"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_3987Member"
      decimals="INF"
      id="ixv-35318"
      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4313Member"
      decimals="INF"
      id="ixv-35319"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4922Member"
      decimals="INF"
      id="ixv-35320"
      unitRef="RATIO">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4317Member"
      decimals="INF"
      id="ixv-35321"
      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4315Member"
      decimals="INF"
      id="ixv-35322"
      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4314Member"
      decimals="INF"
      id="ixv-35323"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35324"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4345Member"
      decimals="INF"
      id="ixv-35325"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35326"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35327"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7153_instant_PutnamDiversifiedIncomeTrust_ClassA_2026-03-31_3991Member"
      decimals="INF"
      id="ixv-35328"
      unitRef="RATIO">0.163</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-326"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-335"
      xml:lang="en-US">Class         C</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-338"
      xml:lang="en-US">PDVCX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-345"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-352"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-354"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-362"
      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_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-364"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-368"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="foot-7154_779153-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        C&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;$86&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;1.71%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35329"
      unitRef="USD">86</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7154_779153-1021"
      unitRef="RATIO">0.0171</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-443"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31Member"
      decimals="INF"
      id="ixv-35331"
      unitRef="USD">919774961</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31Member"
      decimals="INF"
      id="ixv-35332"
      unitRef="UNIT">780</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35333"
      unitRef="RATIO">2.11</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="foot-7154_779160-1011"
      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
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;March 31, 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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7154img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7154_duration_PutnamDiversifiedIncomeTrust_ClassC_2025-10-01_2026-03-31Member"
      id="ixv-533"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_3987Member"
      decimals="INF"
      id="ixv-35334"
      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4313Member"
      decimals="INF"
      id="ixv-35335"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4922Member"
      decimals="INF"
      id="ixv-35336"
      unitRef="RATIO">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4317Member"
      decimals="INF"
      id="ixv-35337"
      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4315Member"
      decimals="INF"
      id="ixv-35338"
      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4314Member"
      decimals="INF"
      id="ixv-35339"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35340"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4345Member"
      decimals="INF"
      id="ixv-35341"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35342"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35343"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7154_instant_PutnamDiversifiedIncomeTrust_ClassC_2026-03-31_3991Member"
      decimals="INF"
      id="ixv-35344"
      unitRef="RATIO">0.163</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-566"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-575"
      xml:lang="en-US">Class         M</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-578"
      xml:lang="en-US">PDVMX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-585"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-592"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-594"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-602"
      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_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-604"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-608"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="foot-7155_779237-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        M&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;$61&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;1.21%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35345"
      unitRef="USD">61</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7155_779237-1021"
      unitRef="RATIO">0.0121</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-683"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31Member"
      decimals="INF"
      id="ixv-35347"
      unitRef="USD">919774961</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31Member"
      decimals="INF"
      id="ixv-35348"
      unitRef="UNIT">780</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35349"
      unitRef="RATIO">2.11</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="foot-7155_779244-1011"
      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
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;March 31, 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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7155img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7155_duration_PutnamDiversifiedIncomeTrust_ClassM_2025-10-01_2026-03-31Member"
      id="ixv-773"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_3987Member"
      decimals="INF"
      id="ixv-35350"
      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4313Member"
      decimals="INF"
      id="ixv-35351"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4922Member"
      decimals="INF"
      id="ixv-35352"
      unitRef="RATIO">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4317Member"
      decimals="INF"
      id="ixv-35353"
      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4315Member"
      decimals="INF"
      id="ixv-35354"
      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4314Member"
      decimals="INF"
      id="ixv-35355"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35356"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4345Member"
      decimals="INF"
      id="ixv-35357"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35358"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35359"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7155_instant_PutnamDiversifiedIncomeTrust_ClassM_2026-03-31_3991Member"
      decimals="INF"
      id="ixv-35360"
      unitRef="RATIO">0.163</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-806"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-815"
      xml:lang="en-US">Class         R</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-818"
      xml:lang="en-US">PDVRX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-825"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-832"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-834"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-842"
      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_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-844"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-848"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="foot-7156_779321-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        R&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;$61&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;1.21%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35361"
      unitRef="USD">61</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7156_779321-1021"
      unitRef="RATIO">0.0121</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-923"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31Member"
      decimals="INF"
      id="ixv-35363"
      unitRef="USD">919774961</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31Member"
      decimals="INF"
      id="ixv-35364"
      unitRef="UNIT">780</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35365"
      unitRef="RATIO">2.11</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="foot-7156_779328-1011"
      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
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;March 31, 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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7156img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7156_duration_PutnamDiversifiedIncomeTrust_ClassR_2025-10-01_2026-03-31Member"
      id="ixv-1013"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_3987Member"
      decimals="INF"
      id="ixv-35366"
      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4313Member"
      decimals="INF"
      id="ixv-35367"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4922Member"
      decimals="INF"
      id="ixv-35368"
      unitRef="RATIO">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4317Member"
      decimals="INF"
      id="ixv-35369"
      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4315Member"
      decimals="INF"
      id="ixv-35370"
      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4314Member"
      decimals="INF"
      id="ixv-35371"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35372"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4345Member"
      decimals="INF"
      id="ixv-35373"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35374"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35375"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7156_instant_PutnamDiversifiedIncomeTrust_ClassR_2026-03-31_3991Member"
      decimals="INF"
      id="ixv-35376"
      unitRef="RATIO">0.163</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1046"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1055"
      xml:lang="en-US">Class         R6</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1058"
      xml:lang="en-US">PDVGX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-1065"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1072"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-1074"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1082"
      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_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1084"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1088"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="foot-7157_779405-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        R6&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;$31&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;0.62%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35377"
      unitRef="USD">31</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7157_779405-1021"
      unitRef="RATIO">0.0062</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1163"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31Member"
      decimals="INF"
      id="ixv-35379"
      unitRef="USD">919774961</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31Member"
      decimals="INF"
      id="ixv-35380"
      unitRef="UNIT">780</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="ixv-35381"
      unitRef="RATIO">2.11</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="foot-7157_779412-1011"
      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
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;March 31, 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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7157img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
      contextRef="c_7157_duration_PutnamDiversifiedIncomeTrust_ClassR6_2025-10-01_2026-03-31Member"
      id="ixv-1253"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:UpdProspectusWebAddress>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_3987Member"
      decimals="INF"
      id="ixv-35382"
      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4313Member"
      decimals="INF"
      id="ixv-35383"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4922Member"
      decimals="INF"
      id="ixv-35384"
      unitRef="RATIO">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4317Member"
      decimals="INF"
      id="ixv-35385"
      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4315Member"
      decimals="INF"
      id="ixv-35386"
      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4314Member"
      decimals="INF"
      id="ixv-35387"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35388"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4345Member"
      decimals="INF"
      id="ixv-35389"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35390"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35391"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7157_instant_PutnamDiversifiedIncomeTrust_ClassR6_2026-03-31_3991Member"
      decimals="INF"
      id="ixv-35392"
      unitRef="RATIO">0.163</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1286"
      xml:lang="en-US">Putnam         Diversified Income Trust</oef:FundName>
    <oef:ClassName
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1295"
      xml:lang="en-US">Class         Y</oef:ClassName>
    <dei:TradingSymbol
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1298"
      xml:lang="en-US">PDVYX</dei:TradingSymbol>
    <dei:DocumentPeriodEndDate
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-1305"
      xml:lang="en-US">2026-03-31</dei:DocumentPeriodEndDate>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1312"
      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
Diversified Income Trust for the period &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;October
1, 2025, &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;to &lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:10.02pt;color:#161616;;"&gt;March
31, 2026.&lt;/span&gt;</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="c_7153_duration_PutnamDiversifiedIncomeTrust_2025-10-01_2026-03-31Member"
      id="ixv-1314"
      xml:lang="en-US">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1322"
      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_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1324"
      xml:lang="en-US">https://www.franklintempleton.com/regulatory-fund-documents</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1328"
      xml:lang="en-US">(800)
225-1581</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="foot-7158_779489-1011"
      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;
        &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;*&lt;/sup&gt;&lt;/span&gt;&lt;span style="clear:both;font-family:Arial, Helvetica, sans-serif;font-size:7.5pt;;"&gt;&lt;sup&gt;,&lt;/sup&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
        Y&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;$36&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;0.71%&lt;/span&gt;&lt;/div&gt;
        &lt;/td&gt; &lt;/tr&gt;
  &lt;/table&gt;&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
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      id="ixv-35393"
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    <oef:ExpenseRatioPct
      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      decimals="INF"
      id="foot-7158_779489-1021"
      unitRef="RATIO">0.0071</oef:ExpenseRatioPct>
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      contextRef="c_7158_duration_PutnamDiversifiedIncomeTrust_ClassY_2025-10-01_2026-03-31Member"
      id="ixv-1403"
      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;March 31, 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;$919,774,961&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;780&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;211%&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_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31Member"
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      id="ixv-35395"
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    <oef:HoldingsCount
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    <us-gaap:InvestmentCompanyPortfolioTurnover
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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
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&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;
(% of Total Investments)&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;

&lt;div&gt;&lt;img alt="image" src="ts7158img003.jpg" style="width:96.41294838145232%"/&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:UpdProspectusWebAddress
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    <oef:PctOfTotalInv
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      decimals="INF"
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      unitRef="RATIO">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
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      decimals="INF"
      id="ixv-35399"
      unitRef="RATIO">0.123</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
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      decimals="INF"
      id="ixv-35400"
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    <oef:PctOfTotalInv
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      decimals="INF"
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      unitRef="RATIO">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_4315Member"
      decimals="INF"
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      unitRef="RATIO">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_4314Member"
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      id="ixv-35403"
      unitRef="RATIO">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_3986Member"
      decimals="INF"
      id="ixv-35404"
      unitRef="RATIO">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_4345Member"
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      id="ixv-35405"
      unitRef="RATIO">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_3988Member"
      decimals="INF"
      id="ixv-35406"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="c_7158_instant_PutnamDiversifiedIncomeTrust_ClassY_2026-03-31_4316Member"
      decimals="INF"
      id="ixv-35407"
      unitRef="RATIO">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
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      unitRef="RATIO">0.163</oef:PctOfTotalInv>
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