John Hancock Global Climate Action Fund Shareholder Fees - Class NAV [Member] - John Hancock Global Climate Action Fund - Class NAV |
Mar. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Maximum Cumulative Sales Charge (as a percentage) | 0.00% |
| Maximum Deferred Sales Charge (as a percentage) | 0.00% |