Vanguard Health Care 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 |
|
| Retail Prospectus [Member] | Vanguard Health Care Fund | Investor Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 17.30% | (1.59%) | 5.43% | (1.05%) | 14.30% | 12.62% | 22.93% | 1.15% |