v3.26.3
S000000775 [Member] Expense Example - Putnam International Value Fund
Jun. 30, 2026
USD ($)
Class Y shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 73
Expense Example, with Redemption, 3 Years 253
Expense Example, with Redemption, 5 Years 449
Expense Example, with Redemption, 10 Years 1,015
Class A shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 667
Expense Example, with Redemption, 3 Years 887
Expense Example, with Redemption, 5 Years 1,125
Expense Example, with Redemption, 10 Years 1,806
Class C shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 274
Expense Example, with Redemption, 3 Years 566
Expense Example, with Redemption, 5 Years 983
Expense Example, with Redemption, 10 Years 1,949
Class R shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 123
Expense Example, with Redemption, 3 Years 412
Expense Example, with Redemption, 5 Years 722
Expense Example, with Redemption, 10 Years 1,603
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 220
Expense Example, with Redemption, 5 Years 393
Expense Example, with Redemption, 10 Years $ 894