Annual Total Returns - Prospectus Summary - BNY Dreyfus Institutional Preferred Treasury Obligations Fund |
Dec. 31, 2025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Hamilton Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.22% | 5.19% | 5.05% | 1.57% | 0.01% | 0.31% | 2.03% | 1.70% | 0.73% | 0.19% |
| Institutional Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.27% | 5.24% | 5.11% | 1.61% | 0.01% | 0.33% | 2.08% | 1.75% | 0.78% | 0.24% |