<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>127</ContextCount>
  <ElementCount>65</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>55</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>3</UnitCount>
  <MyReports>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>01001 - Document - Document and Entity Information {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/DocumentAndEntityInformation1</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>01002 - Document - Risk/Return Summary (T. Rowe Price Capital Appreciation Equity ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary2</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Capital Appreciation Equity ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>01003 - Disclosure - Risk/Return Detail Data (T. Rowe Price Capital Appreciation Equity ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData3</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Capital Appreciation Equity ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>01009 - Document - Risk/Return Summary (T. Rowe Price Capital Appreciation Premium Income ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary9</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Capital Appreciation Premium Income ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>01010 - Disclosure - Risk/Return Detail Data (T. Rowe Price Capital Appreciation Premium Income ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData10</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Capital Appreciation Premium Income ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>01014 - Document - Risk/Return Summary (T. Rowe Price Growth ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary14</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Growth ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>01015 - Disclosure - Risk/Return Detail Data (T. Rowe Price Growth ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData15</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Growth ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>01021 - Document - Risk/Return Summary (T. Rowe Price Hedged Equity ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary21</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Hedged Equity ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>01022 - Disclosure - Risk/Return Detail Data (T. Rowe Price Hedged Equity ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData22</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Hedged Equity ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>01026 - Document - Risk/Return Summary (T. Rowe Price Small-Mid Cap ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary26</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Small-Mid Cap ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>01027 - Disclosure - Risk/Return Detail Data (T. Rowe Price Small-Mid Cap ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData27</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Small-Mid Cap ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>01033 - Document - Risk/Return Summary (T. Rowe Price Technology ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary33</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Technology ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>01034 - Disclosure - Risk/Return Detail Data (T. Rowe Price Technology ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData34</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Technology ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>01038 - Document - Risk/Return Summary (T. Rowe Price Value ETF) {Unlabeled}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRSummary38</Role>
      <ShortName>Risk/Return Summary (T. Rowe Price Value ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="c485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>01039 - Disclosure - Risk/Return Detail Data (T. Rowe Price Value ETF) {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://troweprice.com/20241231/role/RRDetailData39</Role>
      <ShortName>Risk/Return Detail Data (T. Rowe Price Value ETF)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>c485bpos-20250225.xsd</File>
    <File>c485bpos-20250225_cal.xml</File>
    <File>c485bpos-20250225_def.xml</File>
    <File>c485bpos-20250225_lab.xml</File>
    <File>c485bpos-20250225_pre.xml</File>
    <File doctype="485BPOS" isN1a="true" isRR="true" isRRorOEF="true" original="c485bpos.htm">c485bpos.htm</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img_032d3140b4e14f2.jpg</File>
    <File>img_4e65b5b9e8d54f9.jpg</File>
    <File>img_60d62e76ee9b4f6.jpg</File>
    <File>img_677b65a4cd954f2.jpg</File>
    <File>img_68f8a933ae2c4f2.jpg</File>
    <File>img_6b8c784a62e04f8.jpg</File>
    <File>img_73299769beb94f2.jpg</File>
    <File>img_d0d8792a415d4f4.jpg</File>
    <File>img_df69752198d44f1.jpg</File>
    <File>BarChart1.png</File>
    <File>BarChart2.png</File>
    <File>BarChart3.png</File>
    <File>BarChart4.png</File>
    <File>BarChart1.png</File>
    <File>BarChart2.png</File>
    <File>BarChart3.png</File>
    <File>BarChart4.png</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="408">http://xbrl.sec.gov/rr/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
