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John Hancock Fundamental Equity Income Fund Average Annual Total Returns - Class NAV [Member]
12 Months Ended 42 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Russell 1000 Index (reflects no deduction for fees, expenses, or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent   17.37% 18.83%
Russell 1000 Value Index (reflects no deduction for fees, expenses, or taxes)[Member]      
Prospectus [Line Items]      
Average Annual Return, Percent   15.91% 12.87%
Class NAV      
Prospectus [Line Items]      
Average Annual Return, Percent   12.32% 14.71%
Performance Inception Date Jun. 28, 2022    
Class NAV | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent   5.86% 11.27%
Class NAV | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent   11.59% 10.91%