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John Hancock Fundamental Equity Income Fund Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Class NAV [Member] | John Hancock Fundamental Equity Income Fund | Class NAV      
Prospectus [Line Items]      
Annual Return [Percent] 12.32% 15.75% 21.06%