Vanguard Information Technology 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 Information Technology Index Fund | Admiral Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 29.26% | 52.68% | (29.67%) | 30.37% | 45.98% | 48.71% | 2.52% | 37.07% | 13.75% | 5.03% |