Vanguard Materials 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 |
|
| Admiral Prospectus [Member] | Vanguard Materials Index Fund | Admiral Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 0.46% | 13.69% | (11.75%) | 27.30% | 19.44% | 23.58% | (17.37%) | 23.68% | 21.41% | (10.15%) |