v3.25.3
Expense Example, No Redemption - GEORGE PUTNAM FUND OF BOSTON - Class C Shares
Jul. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 169
Expense Example, No Redemption, 3 Years 523
Expense Example, No Redemption, 5 Years 901
Expense Example, No Redemption, 10 Years $ 1,765