Vanguard Short-Term Investment-Grade Fund Annual Fund Operating Expenses - Institutional Prospectus [Member] - Vanguard Short-Term Investment-Grade Fund - Institutional Shares |
Jan. 31, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.07% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.00% |
| Expenses (as a percentage of Assets) | 0.07% |