Investment Objectives and Goals |
Aug. 31, 2025 |
|---|---|
| BNY Mellon AMT-Free Municipal Bond Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund Summary |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The fund seeks as high a level of current income exempt from federal income tax as is consistent with the preservation of capital. |
| BNY Mellon High Yield Municipal Bond Fund | |
| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund Summary |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | As its primary goal, the fund seeks high current income exempt from federal income tax. |
| Objective, Secondary [Text Block] | As a secondary goal, the fund may seek capital appreciation to the extent consistent with its primary goal. |