Vanguard Russell 2000 Growth Index Fund Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Institutional Prospectus [Member] | Vanguard Russell 2000 Growth Index Fund | Institutional Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 15.25% | 18.82% | (26.30%) | 2.88% | 34.82% | 28.66% | (9.21%) | 22.28% | 11.54% | (1.24%) |