Vanguard Short-Term Corporate Bond Index Fund Investment Objectives and Goals - Institutional Prospectus [Member] - Vanguard Short-Term Corporate Bond Index Fund |
Aug. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:13pt;font-weight:bold;">Vanguard Short-Term Corporate Bond Index 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 Corporate Bond Index Fund (the “Fund”) seeks to track the performance of a market-weighted corporate bond index with a short-term dollar-weighted average maturity. |