Vanguard Long-Term Tax-Exempt Bond ETF Performance Management - Vanguard Long-Term Tax-Exempt Bond ETF	Oct. 31, 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]	The Fund has not been in operation long enough to report a full calendar-year return. Performance information is available on our website at vanguard.com/performance.
Performance One Year or Less [Text]	<span style="color:#000000;font-family:Arial;font-size:9.5pt;">The Fund has not been in operation long enough to report a full calendar-year return. Performance information is available on our website at </span><span style="color:#000000;font-family:Arial;font-size:9.5pt;font-style:italic;">vanguard.com/performance</span><span style="color:#000000;font-family:Arial;font-size:9.5pt;">.</span>