John Hancock International Growth Fund Annual Fund Operating Expenses - Class A C I R2 R4 R6 [Member] - John Hancock International 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) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 0.30% | |||||
| Component1 Other Expenses | 0.00% | |||||
| Component2 Other Expenses | 0.20% | |||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||
| Expenses (as a percentage of Assets) | 1.31% | |||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 1.30% | |||||
| Class C | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||
| Component1 Other Expenses | 0.00% | |||||
| Component2 Other Expenses | 0.20% | |||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||
| Expenses (as a percentage of Assets) | 2.01% | |||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 2.00% | |||||
| Class I | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Component1 Other Expenses | 0.00% | |||||
| Component2 Other Expenses | 0.20% | |||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||
| Expenses (as a percentage of Assets) | 1.01% | |||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 1.00% | |||||
| Class R2 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Component1 Other Expenses | 0.25% | |||||
| Component2 Other Expenses | 0.09% | |||||
| Other Expenses (as a percentage of Assets): | 0.34% | |||||
| Expenses (as a percentage of Assets) | 1.40% | |||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 1.39% | |||||
| Class R4 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Component1 Other Expenses | 0.10% | |||||
| Component2 Other Expenses | 0.09% | |||||
| Other Expenses (as a percentage of Assets): | 0.19% | |||||
| Expenses (as a percentage of Assets) | 1.25% | |||||
| Fee Waiver or Reimbursement | (0.11%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.14% | |||||
| Class R6 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.81% | |||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||
| Component1 Other Expenses | 0.00% | |||||
| Component2 Other Expenses | 0.09% | |||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||
| Expenses (as a percentage of Assets) | 0.90% | |||||
| Fee Waiver or Reimbursement | (0.01%) | [1] | ||||
| Net Expenses (as a percentage of Assets) | 0.89% | |||||
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