Vanguard Industrials Index Fund Average Annual Total Returns - ETF Prospectus [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
|
| MSCI US IMI/Industrials 25/50 (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.05% | 12.27% | 10.95% |
| MSCI US Investable Market 2500 Index (reflects no deduction for fees, expenses, or taxes)[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 23.82% | 14.02% | 12.64% |
| ETF Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.62% | 11.78% | 10.43% |
| ETF Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 10.28% | 9.64% | 8.87% |
| ETF Shares | Based on NAV[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.97% | 12.16% | 10.86% |
| ETF Shares | Based on Market Price[Member] | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 16.85% | 12.16% | 10.85% |