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    <dei:EntityRegistrantName contextRef="P08_01_2025To01_31_2026" id="ixv-331116">American High-Income Municipal Bond Fund</dei:EntityRegistrantName>
    <dei:DocumentPeriodEndDate contextRef="P08_01_2025To01_31_2026" id="ixv-331117">2026-01-31</dei:DocumentPeriodEndDate>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-76">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-331118">Class A</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-331119">AMHIX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-84">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;display:inline;"&gt;&#160;&lt;/div&gt;(the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-331120">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-86">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: &amp;quot;Times New Roman&amp;quot;; color: rgb(0, 95, 158); font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt; top: 0px;display:inline;"&gt;&lt;div style="font-weight:bolder;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-A&lt;/div&gt;&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="letter-spacing: 0px; top: 0px;display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-331121">capitalgroup.com/mutual-fund-literature-A</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-331122">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-97">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six months?&lt;/div&gt; (based on a &lt;div style="display:inline;"&gt;hypothetical&lt;/div&gt; $&lt;div style="display:inline;"&gt;10,000&lt;/div&gt; &lt;div style="display:inline;"&gt;investment&lt;/div&gt;)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding: 3pt 6pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"&gt;&lt;div style="font-weight:bolder;display:inline;"&gt;Share class&lt;/div&gt;&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding: 3pt 6pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: 0.5pt solid rgb(255, 255, 255);"&gt;&lt;div style="font-weight:bolder;display:inline;"&gt;Costs of a $10,000 investment&lt;/div&gt;&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding: 3pt 0px; font-size: 10pt; line-height: 10pt; width: 267.948pt; font-family: &amp;quot;Times New Roman&amp;quot;; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right: none;"&gt;&lt;div style="font-weight:bolder;display:inline;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class A&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none; letter-spacing: 0px; top: 0px;display:inline;"&gt;$&lt;/div&gt;35&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;0.68&lt;div style="letter-spacing: 0px; top: 0px;display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      decimals="0"
      id="ixv-331123"
      unitRef="Unit_USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780593"
      unitRef="Unit_pure">0.0068</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-131">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none; letter-spacing: 0px; top: 0px;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="letter-spacing: 0px; top: 0px;display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000025078MemberoefClassAxis"
      decimals="-6"
      id="ixv-331125"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000025078MemberoefClassAxis"
      decimals="0"
      id="ixv-331126"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      decimals="INF"
      id="ixv-331127"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025078MemberoefClassAxis"
      id="ixv-148">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1552831.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-188">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331128">Class C</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331129">AHICX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331130">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund (the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331131">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-196">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-C&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331132">capitalgroup.com/mutual-fund-literature-C</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-331133">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-200">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six &lt;div style="display:inline;"&gt;months&lt;/div&gt;?&lt;/div&gt; (based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Share class&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 267.948pt; padding-right: 0; padding-bottom: 3pt; padding-left: 0; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: initial; border-right-style: none; border-right-width: initial;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class C&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;72&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;1.38&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      decimals="0"
      id="ixv-331134"
      unitRef="Unit_USD">72</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780604"
      unitRef="Unit_pure">0.0138</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-226">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000025080MemberoefClassAxis"
      decimals="-6"
      id="ixv-331136"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000025080MemberoefClassAxis"
      decimals="0"
      id="ixv-331137"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      decimals="INF"
      id="ixv-331138"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025080MemberoefClassAxis"
      id="ixv-243">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1552875.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-280">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331139">Class T</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331140">TAHHX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331141">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund (the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331142">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-288">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331143">capitalgroup.com/mutual-fund-literature</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-331144">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-292">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six months?&lt;/div&gt; (based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Share class&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 267.948pt; padding-right: 0; padding-bottom: 3pt; padding-left: 0; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: initial; border-right-style: none; border-right-width: initial;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class T&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;19&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;0.37&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      decimals="0"
      id="ixv-331145"
      unitRef="Unit_USD">19</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780615"
      unitRef="Unit_pure">0.0037</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-317">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000189440MemberoefClassAxis"
      decimals="-6"
      id="ixv-331147"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000189440MemberoefClassAxis"
      decimals="0"
      id="ixv-331148"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      decimals="INF"
      id="ixv-331149"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000189440MemberoefClassAxis"
      id="ixv-334">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1553095.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-371">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331150">Class F-1</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331151">ABHFX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331152">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund (the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331153">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-379">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-F1&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331154">capitalgroup.com/mutual-fund-literature-F1</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-331155">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-383">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six months?&lt;/div&gt; (based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Share class&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 267.948pt; padding-right: 0; padding-bottom: 3pt; padding-left: 0; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: initial; border-right-style: none; border-right-width: initial;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class F-1&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;37&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;0.71&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      decimals="0"
      id="ixv-331156"
      unitRef="Unit_USD">37</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780624"
      unitRef="Unit_pure">0.0071</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-408">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000025081MemberoefClassAxis"
      decimals="-6"
      id="ixv-331158"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000025081MemberoefClassAxis"
      decimals="0"
      id="ixv-331159"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      decimals="INF"
      id="ixv-331160"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000025081MemberoefClassAxis"
      id="ixv-425">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1552919.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-462">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-331161">Class F-2</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-331162">AHMFX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-470">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund&lt;div style="white-space: nowrap;display:inline;"&gt;&#160;&lt;/div&gt;(the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-331163">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-472">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-F2&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-331164">capitalgroup.com/mutual-fund-literature-F2</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-331165">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-476">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six months?&lt;/div&gt; (based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Share class&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 267.948pt; padding-right: 0; padding-bottom: 3pt; padding-left: 0; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: initial; border-right-style: none; border-right-width: initial;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class F-2&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;23&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;0.45&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      decimals="0"
      id="ixv-331166"
      unitRef="Unit_USD">23</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780628"
      unitRef="Unit_pure">0.0045</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-501">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000068565MemberoefClassAxis"
      decimals="-6"
      id="ixv-331168"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000068565MemberoefClassAxis"
      decimals="0"
      id="ixv-331169"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      decimals="INF"
      id="ixv-331170"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000068565MemberoefClassAxis"
      id="ixv-518">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1552963.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-555">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331171">Class F-3</oef:ClassName>
    <dei:TradingSymbol
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331172">HIMFX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331173">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund (the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331174">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-563">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-F3&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331175">capitalgroup.com/mutual-fund-literature-F3</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-331176">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-567">&lt;div style="margin-bottom: 6pt;"&gt;&lt;div style="margin-top: 0; letter-spacing: normal; text-transform: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 13pt; color: rgb(0, 0, 0); margin-bottom: 0;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 13pt; color: rgb(0, 95, 158);font-weight:bolder;display:inline;width:100%;"&gt;What were the fund costs for the last six months?&lt;/div&gt; (based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;/div&gt;&lt;table style="text-align:start; break-inside: avoid; table-layout: auto; width: 100%; border-collapse: collapse; border-bottom-color: rgb(153, 153, 153); border-bottom-style: solid; border-bottom-width: 0.5pt; margin-bottom: 3pt;"&gt;&lt;tr style="break-after: avoid; border-bottom-style: none; border-bottom-width: initial; break-inside: avoid-page; background-color: rgb(0, 95, 158); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt; height: 19.008pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 126.9pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Share class&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 171.072pt; padding-right: 6pt; padding-bottom: 3pt; padding-left: 6pt; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: rgb(255, 255, 255); border-right-style: solid; border-right-width: 0.5pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;&lt;td style="break-inside: avoid-page; padding-top: 3pt; font-size: 10pt; line-height: 10pt; width: 267.948pt; padding-right: 0; padding-bottom: 3pt; padding-left: 0; font-family: 'Times New Roman'; font-weight: bold; text-align: center; vertical-align: middle; color: rgb(255, 255, 255); border-right-color: initial; border-right-style: none; border-right-width: initial;"&gt;Costs paid as a percentage of a $10,000 investment&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 126.9pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;Class F-3&lt;/td&gt;&lt;td style="break-inside: avoid-page; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-family: 'Arial'; font-size: 10pt; line-height: 10pt; text-align: center; width: 171.072pt; color: rgb(0, 0, 0); padding-right: 6pt; padding-left: 6pt; vertical-align: bottom;"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;17&lt;/td&gt;&lt;td style="break-inside: avoid-page; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; font-size: 10pt; line-height: 10pt; font-family: 'Arial'; text-align: center; width: 267.948pt; color: rgb(0, 0, 0); padding-right: 0; padding-left: 0; vertical-align: bottom;"&gt;0.33&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;div style=";display:inline;vertical-align: super;font-size:9.2px"&gt;*&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top: 0; font-weight: normal; font-family: 'Arial'; font-size: 8pt; line-height: 8.5pt; color: rgb(0, 0, 0); margin-bottom: 4pt;"&gt;*Annualized.&lt;/div&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      decimals="0"
      id="ixv-331177"
      unitRef="Unit_USD">17</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      decimals="INF"
      id="Fact_7780632"
      unitRef="Unit_pure">0.0033</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-592">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="PAsOn01_31_2026_C000179998MemberoefClassAxis"
      decimals="-6"
      id="ixv-331179"
      unitRef="Unit_USD">13906000000</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="PAsOn01_31_2026_C000179998MemberoefClassAxis"
      decimals="0"
      id="ixv-331180"
      unitRef="Unit_Holding">3764</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      decimals="INF"
      id="ixv-331181"
      unitRef="Unit_pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="P08_01_2025To01_31_2026_C000179998MemberoefClassAxis"
      id="ixv-609">&lt;div style="padding-left: 10pt; margin-bottom: 7.5pt; padding-right: 0;"&gt;&lt;div style="border-bottom-width: initial; border-bottom-style: none; font-family: 'Arial'; font-weight: normal; font-size: 10pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 0, 0); margin-top: 10pt; margin-bottom: 2.0016pt; padding-bottom: 0; border-bottom-color: initial; padding-left: 27pt;"&gt;&lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt;Portfolio quality summary&lt;/div&gt; &lt;div style="font-family: 'Times New Roman'; font-size: 11pt; line-height: 11pt; letter-spacing: normal; text-transform: none; text-align: left; color: rgb(0, 95, 158); margin-top: 10pt; margin-bottom: 3pt; padding-bottom: 0; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;font-weight:bolder;display:inline;"&gt; &lt;div style=";display:inline;vertical-align: super;font-size:10.1px"&gt;*&lt;/div&gt; &lt;/div&gt; (percent of net assets)&lt;/div&gt;&lt;/div&gt;&lt;div style="padding-right: 0; display: inline-block; padding-left: 25pt;"&gt;&lt;img alt="Graphical Representation - Allocation 1 Chart" src="chartimages_1553051.jpg" style="float: right; width: 300pt;"/&gt;  &lt;/div&gt;&lt;div style="padding-left: 10pt; padding-right: 0;"&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 0; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;*&lt;/div&gt; Bond ratings, which typically range from AAA/Aaa (highest) to D (lowest), are assigned by credit rating agencies such as Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch as an indication of an issuer&#x2019;s creditworthiness. In assigning a credit rating to a security, the fund looks specifically to the ratings assigned to the issuer of the security by Standard &amp;amp; Poor&#x2019;s, Moody&#x2019;s and/or Fitch. If agency ratings differ, the security will be considered to have received the lowest of those ratings, consistent with the fund&#x2019;s investment policies. Securities in the &#x201c;unrated&#x201c; category (above) have not been rated by a rating agency; however, the investment adviser performs its own credit analysis and assigns comparable ratings that are used for compliance with the fund&#x2019;s investment policies.&lt;/div&gt;&lt;div style="margin-top: 0; font-family: 'Arial'; font-weight: normal; font-size: 8pt; line-height: 10pt; color: rgb(0, 0, 0); margin-bottom: 4pt; margin-left: 32pt; text-indent: -5pt;"&gt;&lt;div style=";display:inline;vertical-align: super;font-size:7.4px"&gt;&#x2020;&lt;/div&gt; Includes derivatives.&lt;/div&gt;&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:FundName
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-646">American High-Income Municipal Bond Fund&#xae;</oef:FundName>
    <oef:ClassName
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-331182">Class R-6</oef:ClassName>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-331183">This semi-annual shareholder report contains important information about American High-Income Municipal Bond Fund (the "fund") for the period from August 1, 2025 to January 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-331184">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-652">You can find additional information about the fund at &lt;div style="text-decoration-line: underline; font-family: 'Times New Roman'; color: rgb(0, 95, 158); font-weight: bold; font-size: 10pt; line-height: 13pt; letter-spacing: -0.05pt;display:inline;"&gt;capitalgroup.com/mutual-fund-literature-R6&lt;/div&gt;. You can also request this information by contacting us at &lt;div style="display:inline;"&gt;(800) 421-4225&lt;/div&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-331185">capitalgroup.com/mutual-fund-literature-R6</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-331186">(800) 421-4225</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
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      contextRef="P08_01_2025To01_31_2026_C000114834MemberoefClassAxis"
      id="ixv-682">&lt;div style="text-transform: none; margin-bottom: 2.0016pt; font-family: 'Times New Roman'; font-weight: bold; font-size: 11pt; line-height: 11pt; letter-spacing: normal; color: rgb(0, 95, 158); margin-top: 10pt;"&gt;Key fund statistics&lt;/div&gt;&lt;table style="text-align:start; width: 100%; border-collapse: collapse; break-inside: avoid;"&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto; border-top-color: rgb(153, 153, 153); border-top-style: solid; border-top-width: 0.5pt;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Fund net assets (in millions)&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;&lt;div style="float: none;display:inline;"&gt;$&lt;/div&gt;13,906&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;3,764&lt;/td&gt;&lt;/tr&gt;&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; border-bottom-color: rgb(153, 153, 153); height: auto;"&gt;&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0); font-family: 'Arial'; text-align: left; width: 70%; font-weight: normal;"&gt;Portfolio turnover rate&lt;/td&gt;&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-weight: normal; padding-top: 3pt; padding-bottom: 3pt; padding-left: 0; padding-right: 0; font-family: 'Arial'; font-size: 9pt; line-height: 9pt; color: rgb(0, 0, 0);"&gt;17&lt;div style="display:inline;"&gt;%&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
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