Vanguard Short-Term Federal Fund Investment Objectives and Goals - Retail Prospectus [Member] - Vanguard Short-Term Federal Fund |
Jan. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:13pt;font-weight:bold;">Vanguard Short-Term Federal Fund</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | Vanguard Short-Term Federal Fund (the “Fund”) seeks to provide current income while maintaining limited price volatility. |