v3.25.2
John Hancock Bond Fund Expense Example, No Redemption - John Hancock Bond Fund Classes A C I R2 R4 and R6 [Member] - John Hancock Bond Fund - Class C
May 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 149
Expense Example, No Redemption, 3 Years 464
Expense Example, No Redemption, 5 Years 802
Expense Example, No Redemption, 10 Years $ 1,567