John Hancock Short Duration Municipal Opportunities Fund Annual Fund Operating Expenses - Classes A C I and R6 [Member] - John Hancock Short Duration Municipal Opportunities Fund |
May 31, 2026 |
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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;">September 30, 2027</span><span style="font-family:Arial Narrow;font-size:8pt;">September 30, 2027</span> | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.36% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.30% | |||||
| Expenses (as a percentage of Assets) | 0.91% | |||||
| Fee Waiver or Reimbursement | (0.30%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 0.61% | |||||
| Class C | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.36% | |||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.30% | |||||
| Expenses (as a percentage of Assets) | 1.66% | |||||
| Fee Waiver or Reimbursement | (0.30%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.36% | |||||
| Class I | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.36% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.30% | |||||
| Expenses (as a percentage of Assets) | 0.66% | |||||
| Fee Waiver or Reimbursement | (0.20%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.46% | |||||
| Class R6 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.36% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Other Expenses (as a percentage of Assets): | 0.22% | |||||
| Expenses (as a percentage of Assets) | 0.58% | |||||
| Fee Waiver or Reimbursement | (0.20%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.38% | |||||
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