v3.25.2
Vanguard Total-Inflation Protected Securities ETF Investment Objectives and Goals - ETF Prospectus [Member] - Vanguard Total-Inflation Protected Securities ETF
Sep. 30, 2024
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial;font-size:13pt;font-weight:bold;">ETF Summary</span>
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] The Fund seeks to track the performance of a benchmark index that measures the investment return of the full market of U.S. Treasury inflation-protected public obligations.