v3.25.2
Annual Fund Operating Expenses - Putnam Sustainable Future Fund
Apr. 30, 2025
Class A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.54%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.23%
Expenses (as a percentage of Assets) 1.02%
Class C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.54%
Distribution and Service (12b-1) Fees 1.00%
Other Expenses (as a percentage of Assets): 0.23%
Expenses (as a percentage of Assets) 1.77%
Class R  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.54%
Distribution and Service (12b-1) Fees 0.50%
Other Expenses (as a percentage of Assets): 0.23%
Expenses (as a percentage of Assets) 1.27%
Class Y  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.54%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.23%
Expenses (as a percentage of Assets) 0.77%
Class R6  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.54%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.12%
Expenses (as a percentage of Assets) 0.66%