v3.26.1
Vanguard Short-Term Investment-Grade Fund Investment Objectives and Goals - Institutional Prospectus [Member] - Vanguard Short-Term Investment-Grade Fund
Jan. 31, 2026
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 Short-Term Investment-Grade Fund (the “Fund”) seeks to provide current income while maintaining limited price volatility.