Annual Total Returns - Prospectus Summary - Dreyfus Institutional Preferred Government 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] | 5.19% | 5.06% | 1.59% | 0.01% | 0.35% | 2.10% | 1.74% | 0.78% | 0.24% | 0.02% |
| Institutional Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.24% | 5.11% | 1.63% | 0.01% | 0.40% | 2.15% | 1.79% | 0.83% | 0.29% | 0.07% |