John Hancock U.S. Growth Fund Annual Fund Operating Expenses - Class A C I R2 R4 R6 [Member] - John Hancock U.S. Growth Fund |
Mar. 31, 2026 |
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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, 2027</span><span style="color:#000000;font-family:Arial Narrow;font-size:8pt;">July 31, 2027</span> | |||||||
| Class A | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Component1 Other Expenses | 0.00% | |||||||
| Component2 Other Expenses | 0.16% | |||||||
| Other Expenses (as a percentage of Assets): | 0.16% | |||||||
| Expenses (as a percentage of Assets) | 0.95% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.94% | |||||||
| Class C | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||
| Component1 Other Expenses | 0.00% | |||||||
| Component2 Other Expenses | 0.16% | |||||||
| Other Expenses (as a percentage of Assets): | 0.16% | |||||||
| Expenses (as a percentage of Assets) | 1.70% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 1.69% | |||||||
| Class I | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Component1 Other Expenses | 0.00% | |||||||
| Component2 Other Expenses | 0.16% | |||||||
| Other Expenses (as a percentage of Assets): | 0.16% | |||||||
| Expenses (as a percentage of Assets) | 0.70% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.69% | |||||||
| Class R2 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Component1 Other Expenses | 0.25% | [2] | ||||||
| Component2 Other Expenses | 0.06% | |||||||
| Other Expenses (as a percentage of Assets): | 0.31% | |||||||
| Expenses (as a percentage of Assets) | 1.10% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 1.09% | |||||||
| Class R4 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Component1 Other Expenses | 0.10% | |||||||
| Component2 Other Expenses | 0.06% | |||||||
| Other Expenses (as a percentage of Assets): | 0.16% | |||||||
| Expenses (as a percentage of Assets) | 0.95% | |||||||
| Fee Waiver or Reimbursement | (0.11%) | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.84% | |||||||
| Class R6 | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.54% | |||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Component1 Other Expenses | 0.00% | |||||||
| Component2 Other Expenses | 0.06% | |||||||
| Other Expenses (as a percentage of Assets): | 0.06% | |||||||
| Expenses (as a percentage of Assets) | 0.60% | |||||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||||
| Net Expenses (as a percentage of Assets) | 0.59% | |||||||
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