v3.25.3
Expense Example - PUTNAM SUSTAINABLE LEADERS FUND
Jun. 30, 2025
USD ($)
Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 660
Expense Example, with Redemption, 3 Years 840
Expense Example, with Redemption, 5 Years 1,035
Expense Example, with Redemption, 10 Years 1,598
Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 265
Expense Example, with Redemption, 3 Years 511
Expense Example, with Redemption, 5 Years 881
Expense Example, with Redemption, 10 Years 1,724
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 115
Expense Example, with Redemption, 3 Years 359
Expense Example, with Redemption, 5 Years 622
Expense Example, with Redemption, 10 Years 1,374
Class Y Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 64
Expense Example, with Redemption, 3 Years 201
Expense Example, with Redemption, 5 Years 350
Expense Example, with Redemption, 10 Years 786
Class R6 Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 56
Expense Example, with Redemption, 3 Years 176
Expense Example, with Redemption, 5 Years 307
Expense Example, with Redemption, 10 Years $ 689