v3.26.1
John Hancock Multifactor Developed International ETF Average Annual Total Returns
12 Months Ended 24 Months Ended 60 Months Ended 109 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MSCI EAFE Index (reflects no deduction for fees, expenses, or taxes, except foreign withholding taxes on dividends)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   31.22% 17.90% 8.92% 8.89%
John Hancock Dimensional Developed International Index (reflects no deduction for fees, expenses, or taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   33.92%   10.10% 9.56%
None or SAME          
Prospectus [Line Items]          
Average Annual Return, Percent   32.81%   9.30% 8.76%
Performance Inception Date Dec. 15, 2016        
None or SAME | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   31.69%   8.53% 8.08%
None or SAME | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   20.02%   7.25% 6.99%