John Hancock Municipal Opportunities Fund Expense Example, No Redemption - Classes A C I and R6 [Member] - John Hancock Municipal Opportunities Fund - Class C |
May 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 152 |
| Expense Example, No Redemption, 3 Years | 498 |
| Expense Example, No Redemption, 5 Years | 869 |
| Expense Example, No Redemption, 10 Years | $ 1,710 |