Vanguard Value Index Fund Annual Total Returns |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Admiral Prospectus [Member] | Vanguard Value Index Fund | Admiral Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 15.26% | 15.99% | 9.24% | (2.08%) | 26.49% | 2.29% | 25.82% | (5.43%) |