Vanguard Large-Cap 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 |
|
| Institutional Prospectus [Member] | Vanguard Large-Cap Index Fund | Institutional Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Annual Return [Percent] | 18.10% | 25.12% | 27.28% | (19.69%) | 27.03% | 21.05% | 31.39% | (4.46%) |