Short Duration Core Plus ETF Performance Management - Short Duration Core Plus ETF |
Feb. 28, 2026 |
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| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#000000;font-family:Arial Narrow;font-size:11pt;font-weight:bold;">The Fund’s Past Performance</span> |
| Performance Narrative [Text Block] | This section provides some indication of the risks of investing in the Fund. The bar chart shows the performance of the Fund’s Shares over the past four calendar years. The table shows the average annual total returns for the past one year and life of the Fund. The table compares the Fund’s performance to the Bloomberg US Aggregate Index and Bloomberg 1-5 Year Government/Credit Index. The Bloomberg US Aggregate Index serves as the Fund’s regulatory index and provides a broad measure of market performance. The Bloomberg 1-5 Year Government/Credit Index is the Fund’s additional index and is more representative of the Fund’s investment universe than the regulatory index.Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available by visitingwww.jpmorganfunds.com or by calling 1-844-457-6383 (844-4JPM ETF).Source: Bloomberg Index Services Limited. BLOOMBERG® is a trademark and service mark of Bloomberg Finance L.P. and its affiliates (collectively “Bloomberg”). Bloomberg or Bloomberg’s licensors own all proprietary rights in the Bloomberg Indices. Bloomberg does not approve or endorse this material, or guarantee the accuracy or completeness of any information herein, or make any warranty, express or implied, as to the results to be obtained therefrom and, to the maximum extent allowed by law, shall not have any liability or responsibility for injury or damages arising in connection therewith. |
| Performance Past Does Not Indicate Future [Text] | <span style="font-family:Arial Narrow;font-size:10pt;">Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. </span> |
| Performance Information Illustrates Variability of Returns [Text] | <span style="font-family:Arial Narrow;font-size:10pt;">The bar chart shows the performance of the Fund’s </span><span style="font-family:Arial Narrow;font-size:10pt;">Shares over the past four calendar years. The table shows the average annual total returns for the past one year and life of the Fund.</span> |
| Performance Additional Market Index [Text] | <span style="font-family:Arial Narrow;font-size:10pt;">The Bloomberg 1-5 Year </span><span style="font-family:Arial Narrow;font-size:10pt;">Government/Credit Index is the Fund’s additional index and is more representative of the Fund’s investment universe than the regulatory index.</span> |
| Bar Chart [Heading] | <span style="color:#FFFFFF;font-family:Arial Narrow;font-size:10pt;font-weight:bold;margin-left:0.0pt;">YEAR-BY-YEAR RETURNS</span> |
| Bar Chart Closing [Text Block] | Best Quarter4th quarter, 20234.01%Worst Quarter1st quarter, 2022-3.53%The Fund’s year-to-date total returnthrough3/31/26was0.19%. |
| Performance Table Heading | <span style="color:#FFFFFF;font-family:Arial Narrow;font-size:11pt;font-weight:bold;margin-left:0.0pt;">AVERAGE ANNUAL TOTAL RETURNS</span><span style="color:#FFFFFF;font-family:Arial Narrow;font-size:7pt;font-weight:bold;margin-left:0.0pt;">(For periods ended December 31, 2025)</span> |
| Performance Table Narrative | After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. |
| Performance Table Uses Highest Federal Rate | <span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. </span> |
| Performance Table Not Relevant to Tax Deferred | <span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">Actual after-tax returns </span><span style="color:#000000;font-family:Arial Narrow;font-size:10pt;">depend on the investor’s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.</span> |
| Performance Availability Website Address [Text] | <span style="font-family:Arial Narrow;font-size:10pt;font-style:italic;">www.jpmorganfunds.com</span> |
| Performance Availability Phone [Text] | <span style="font-family:Arial Narrow;font-size:10pt;font-style:italic;">1-844-457-6383 (844-4JPM ETF)</span> |
| ETF | |
| Prospectus [Line Items] | |
| Year to Date Return, Label [Optional Text] | <span style="font-family:Arial Narrow;font-size:9pt;margin-left:0.0pt;">The Fund’s year-to-date total return</span> |
| Bar Chart, Year to Date Return | 0.19% |
| Bar Chart, Year to Date Return, Date | Mar. 31, 2026 |
| Highest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:9pt;font-weight:bold;margin-left:0.0pt;">Best Quarter</span> |
| Highest Quarterly Return | 4.01% |
| Highest Quarterly Return, Date | Dec. 31, 2023 |
| Lowest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:9pt;font-weight:bold;margin-left:0.0pt;">Worst Quarter</span> |
| Lowest Quarterly Return | (3.53%) |
| Lowest Quarterly Return, Date | Mar. 31, 2022 |