John Hancock High Yield ETF Performance Management - John Hancock High Yield ETF |
Apr. 30, 2025 |
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| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#000000;font-family:Arial Narrow;font-size:10pt;font-weight:bold;">Past performance</span> |
| Performance Narrative [Text Block] | This section normally shows how the fund’s total returns have varied from year to year, along with a broad-based securities market index for reference. Performance information is not shown because the fund had been in operation for less than a full calendar year as of the date of this prospectus. |
| Performance One Year or Less [Text] | <span style="color:#000000;font-family:Arial Narrow;font-size:9pt;">Performance information is not shown because the fund had been in operation for less than a full calendar year as of the date of this prospectus.</span> |