Vanguard US Multifactor Fund Average Annual Total Returns - Retail Prospectus [Member] |
12 Months Ended | 60 Months Ended | 95 Months Ended | |
|---|---|---|---|---|
Nov. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000 Index (reflects no deduction for fees, expenses, or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.15% | 13.58% | |
| Admiral Shares | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 15.06% | 14.40% | 10.47% | |
| Performance Inception Date | Feb. 15, 2018 | |||
| Admiral Shares | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 14.19% | 13.75% | 9.92% | |
| Admiral Shares | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 9.49% | 11.48% | 8.40% |