v3.26.1
John Hancock Preferred Income ETF Expense Example - John Hancock Preferred Income ETF - None or SAME
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 55
Expense Example, with Redemption, 3 Years 199
Expense Example, with Redemption, 5 Years 356
Expense Example, with Redemption, 10 Years $ 811