Since Inception [Member] Annual Total Returns |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Putnam Retirement Advantage Maturity Fund | Class A Shares | |||||
| Prospectus [Line Items] | |||||
| Annual Return [Percent] | 8.84% | 10.55% | (12.67%) | 5.59% | 7.99% |