John Hancock Mid Cap Growth Fund Annual Fund Operating Expenses - Class NAV [Member] - John Hancock Mid Cap Growth Fund |
Mar. 31, 2025 |
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Prospectus [Line Items] | ||||
Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="color:#000000;font-family:Arial Narrow;font-size:8pt;">July 31, </span><span style="color:#000000;font-family:Arial Narrow;font-size:8pt;">2026</span><span style="color:#000000;font-family:Arial Narrow;font-size:8pt;">July 31, 2027</span> | |||
Class NAV | ||||
Prospectus [Line Items] | ||||
Management Fees (as a percentage of Assets) | 0.83% | |||
Other Expenses (as a percentage of Assets): | 0.06% | |||
Expenses (as a percentage of Assets) | 0.89% | |||
Fee Waiver or Reimbursement | (0.08%) | [1] | ||
Net Expenses (as a percentage of Assets) | 0.81% | |||
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