Vanguard High Dividend Yield Index Fund Average Annual Total Returns - Admiral Prospectus [Member] |
12 Months Ended | 50 Months Ended | 60 Months Ended | 83 Months Ended | |
|---|---|---|---|---|---|
Oct. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| FTSE High Dividend Yield Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 15.50% | 12.75% | 11.75% | ||
| Dow Jones U.S. Total Stock Market Float Adjusted Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 17.05% | 9.80% | 13.07% | 15.39% | |
| Admiral Shares | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 15.39% | 12.66% | 11.68% | ||
| Performance Inception Date | Feb. 07, 2019 | ||||
| Admiral Shares | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 14.69% | 11.88% | 10.86% | ||
| Admiral Shares | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 9.55% | 9.97% | 9.27% |