Performance Management - ETF Prospectus [Member] - Vanguard U.S. High-Yield Corporate Bond Index ETF |
Sep. 30, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Annual Total Returns</span> |
| Performance Narrative [Text Block] | This is the Fund’s initial Prospectus, so it does not contain performance data. |
| Performance One Year or Less [Text] | <span style="color:#000000;font-family:Arial;font-size:9.5pt;">This is the Fund’s initial Prospectus, so it does not contain performance data.</span> |