Investor A Institutional [Member] 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 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Investor A, Institutional | iShares MSCI EAFE International Index Fund | Investor A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 31.39% | 3.39% | 18.02% | (14.36%) | 11.01% | 7.68% | 21.53% | (13.57%) | 24.84% | 0.78% |