v3.26.1
John Hancock Disciplined Global Long Short Fund Expense Example - Class NAV [Member] - John Hancock Disciplined Global Long Short Fund - Class NAV
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 158
Expense Example, with Redemption, 3 Years 504
Expense Example, with Redemption, 5 Years 875
Expense Example, with Redemption, 10 Years $ 1,916