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John Hancock Global Shareholder Yield Fund Average Annual Total Returns - Class A C I R2 R6 [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
MSCI World Index (reflects no deduction for fees, expenses, or taxes, except foreign withholding taxes on dividends)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 18.67% 11.17% 9.95%
Class NAV      
Prospectus [Line Items]      
Average Annual Return, Percent 14.44% 7.18% 6.38%
Class NAV | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 11.67% 4.79% 4.23%
Class NAV | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 9.42% 4.81% 4.19%