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, 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;">September 30, 2026</span><span style="font-family:Arial Narrow;font-size:8pt;">July 31, 2027</span><span style="font-family:Arial Narrow;font-size:8pt;">September 30, 2026</span> | |||||||
| Class A | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.37% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Other Expenses (as a percentage of Assets): | 0.56% | [1] | ||||||
| Expenses (as a percentage of Assets) | 1.18% | |||||||
| Fee Waiver or Reimbursement | (0.57%) | [2],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.61% | |||||||
| Class C | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.37% | |||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.56% | [1] | ||||||
| Expenses (as a percentage of Assets) | 1.93% | |||||||
| Fee Waiver or Reimbursement | (0.57%) | [2],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 1.36% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.37% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.56% | [1] | ||||||
| Expenses (as a percentage of Assets) | 0.93% | |||||||
| Fee Waiver or Reimbursement | (0.47%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 0.46% | |||||||
| Class R6 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.37% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.48% | |||||||
| Expenses (as a percentage of Assets) | 0.85% | |||||||
| Fee Waiver or Reimbursement | (0.47%) | [2] | ||||||
| Net Expenses (as a percentage of Assets) | 0.38% | |||||||
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