v3.26.3
Annual Fund Operating Expenses - PUTNAM SUSTAINABLE LEADERS FUND
Jun. 30, 2026
Class A Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.42% [1]
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.14%
Expenses (as a percentage of Assets) 0.81%
Class C Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.42% [1]
Distribution and Service (12b-1) Fees 1.00%
Other Expenses (as a percentage of Assets): 0.14%
Expenses (as a percentage of Assets) 1.56%
Class R Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.42% [1]
Distribution and Service (12b-1) Fees 0.50%
Other Expenses (as a percentage of Assets): 0.14%
Expenses (as a percentage of Assets) 1.06%
Class Y Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.42% [1]
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.14%
Expenses (as a percentage of Assets) 0.56%
Class R6 Shares  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.42% [1]
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.06%
Expenses (as a percentage of Assets) 0.48%
[1] Management fees are subject to a performance adjustment. The fund’s base management fee is subject to adjustment, up or down, based on the fund’s performance relative to the performance of the S&P 500 Index. For the most recent fiscal year, the fund’s base management fee prior to any performance adjustment was 0.53%.