v3.25.4
Expense Example - Putnam International Small Cap Fund
Aug. 31, 2025
USD ($)
Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 717
Expense Example, with Redemption, 3 Years 1,026
Expense Example, with Redemption, 5 Years 1,357
Expense Example, with Redemption, 10 Years 2,290
Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 326
Expense Example, with Redemption, 3 Years 708
Expense Example, with Redemption, 5 Years 1,216
Expense Example, with Redemption, 10 Years 2,424
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 176
Expense Example, with Redemption, 3 Years 556
Expense Example, with Redemption, 5 Years 960
Expense Example, with Redemption, 10 Years 2,091
Class Y Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 107
Expense Example, with Redemption, 3 Years 384
Expense Example, with Redemption, 5 Years 681
Expense Example, with Redemption, 10 Years 1,527
Class R6 Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 107
Expense Example, with Redemption, 3 Years 356
Expense Example, with Redemption, 5 Years 623
Expense Example, with Redemption, 10 Years $ 1,389