John Hancock Mortgage-Backed Securities ETF Annual Fund Operating Expenses - John Hancock Mortgage-Backed Securities ETF |
Apr. 30, 2025 |
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Prospectus [Line Items] | ||||
Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="font-family:Arial Narrow;font-size:8pt;">August 31, 2026</span><span style="font-family:Arial Narrow;font-size:8pt;">July 31, 2027</span> | |||
N/A | ||||
Prospectus [Line Items] | ||||
Management Fees (as a percentage of Assets) | 0.34% | |||
Other Expenses (as a percentage of Assets): | 0.26% | |||
Expenses (as a percentage of Assets) | 0.60% | |||
Fee Waiver or Reimbursement | (0.21%) | [1] | ||
Net Expenses (as a percentage of Assets) | 0.39% | |||
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