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John Hancock Multifactor Emerging Markets ETF Investment Objectives and Goals - John Hancock Multifactor Emerging Markets ETF
Mar. 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:24pt;">John Hancock Multifactor Emerging Markets ETF</span>
Objective [Heading] <span style="color:#000000;font-family:Arial Narrow;font-size:10pt;font-weight:bold;">Investment objective</span>
Objective, Primary [Text Block] To seek to provide investment results that closely correspond, before fees and expenses, to the performance of the John Hancock Dimensional Emerging Markets Index (the Index).