Annual Total Returns - Prospectus Summary - Dreyfus Institutional Preferred Treasury Securities Money Market Fund |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|---|---|---|---|---|---|---|---|
| Hamilton Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.17% | 4.95% | 1.44% | 0.01% | 0.36% | 2.03% | 1.74% | 0.73% | 0.14% | none |
| Institutional Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.23% | 5.00% | 1.48% | 0.01% | 0.39% | 2.08% | 1.79% | 0.78% |