v3.26.1
John Hancock Core Plus Bond ETF Expense Example - John Hancock Core Plus Bond ETF - None or SAME
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 37
Expense Example, with Redemption, 3 Years 170
Expense Example, with Redemption, 5 Years 315
Expense Example, with Redemption, 10 Years $ 738