Vanguard Total Stock Market Index Fund Expense Example - Institutional Select Prospectus [Member] - Vanguard Total Stock Market Index Fund - Institutional Select Shares |
Dec. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 1 |
| Expense Example, with Redemption, 3 Years | 3 |
| Expense Example, with Redemption, 5 Years | 6 |
| Expense Example, with Redemption, 10 Years | $ 13 |