John Hancock Global Shareholder Yield Fund Investment Objectives and Goals - Class A C I R2 R6 [Member] - John Hancock Global Shareholder Yield Fund	Mar. 31, 2026
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#000000;font-family:Arial Narrow;font-size:24pt;">John Hancock Global Shareholder Yield Fund</span>
Objective [Heading]	<span style="color:#000000;font-family:Arial Narrow;font-size:10pt;font-weight:bold;">Investment objective</span>
Objective, Primary [Text Block]	The primary objective of the fund is to seek to provide a high level of income. Capital appreciation is a secondary investment objective.
Objective, Secondary [Text Block]	Capital appreciation is a secondary investment objective.

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