v3.25.4
Expense Example, No Redemption - Putnam Multi-Asset Income Fund - Class C
Aug. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 163
Expense Example, No Redemption, 3 Years 551
Expense Example, No Redemption, 5 Years 965
Expense Example, No Redemption, 10 Years $ 1,923