v3.26.3
Expense Example, No Redemption - John Hancock Income Fund - Class C
May 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 155
Expense Example, No Redemption, 3 Years 480
Expense Example, No Redemption, 5 Years 829
Expense Example, No Redemption, 10 Years $ 1,624