Vanguard Total World Bond ETF Investment Objectives and Goals - ETF Prospectus [Member] - Vanguard Total World Bond ETF |
Aug. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:13pt;font-weight:bold;">Fund Summary</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | Vanguard Total World Bond ETF (the “Fund”) seeks to track the performance of a broad, market-weighted index that measures the investment return of investment-grade U.S. bonds and investment-grade non-U.S. dollar-denominated bonds. |