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John Hancock High Yield Fund Annual Fund Operating Expenses - John Hancock High Yield Fund Classes A C I and R6 [Member] - John Hancock High Yield Fund
May 31, 2026
Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.49%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.17%
Expenses (as a percentage of Assets) 0.91%
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.49%
Distribution and Service (12b-1) Fees 1.00%
Other Expenses (as a percentage of Assets): 0.17%
Expenses (as a percentage of Assets) 1.66%
Class I  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.49%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.17%
Expenses (as a percentage of Assets) 0.66%
Class R6  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.49%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.06%
Expenses (as a percentage of Assets) 0.55%