S000093657 [Member] Investment Risks - Putnam Retirement Advantage 2070 Fund |
Jul. 28, 2025 |
|---|---|
| Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | It is important to understand that you can lose money by investing in the fund. |
| Risk Not Insured [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. |