v3.25.4
Expense Example - Putnam Multi-Asset Income Fund
Aug. 31, 2025
USD ($)
Class P  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 45
Expense Example, with Redemption, 3 Years 190
Expense Example, with Redemption, 5 Years 347
Expense Example, with Redemption, 10 Years 803
Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 61
Expense Example, with Redemption, 3 Years 239
Expense Example, with Redemption, 5 Years 433
Expense Example, with Redemption, 10 Years 992
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 202
Expense Example, with Redemption, 5 Years 368
Expense Example, with Redemption, 10 Years 849
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 483
Expense Example, with Redemption, 3 Years 705
Expense Example, with Redemption, 5 Years 945
Expense Example, with Redemption, 10 Years 1,632
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 111
Expense Example, with Redemption, 3 Years 394
Expense Example, with Redemption, 5 Years 698
Expense Example, with Redemption, 10 Years 1,560
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 263
Expense Example, with Redemption, 3 Years 551
Expense Example, with Redemption, 5 Years 965
Expense Example, with Redemption, 10 Years 1,923
Class R5  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 235
Expense Example, with Redemption, 5 Years 427
Expense Example, with Redemption, 10 Years $ 980