v3.26.1
John Hancock Preferred Income ETF Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
John Hancock Preferred Income ETF | None or SAME        
Prospectus [Line Items]        
Annual Return [Percent] 7.60% 10.97% 7.11% (9.99%)