Vanguard Health Care 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 Health Care Index Fund | Admiral Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 2.65% | 2.48% | (5.50%) | 20.50% | 18.24% | 21.97% | 5.55% | 23.36% | (3.33%) | 7.21% |