Annual Total Returns - Prospectus Summary - Dreyfus Money Market 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Premier Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.26% | 5.20% | 5.10% | 1.59% | 0.01% | 0.26% | 1.82% | 1.53% | 0.56% | 0.04% |
| Service Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.46% | 4.43% | 4.32% | 1.09% | 0.01% | 0.17% | 1.39% | 1.09% | 0.21% | 0.01% |
| Wealth Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 3.99% | 4.90% | 4.78% | 1.36% | 0.01% | 0.19% | 1.56% | 1.33% | 0.44% | 0.02% |