Class K [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 |
|
| Class K | iShares MSCI EAFE International Index Fund | Class K Shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 31.73% | 3.73% | 18.34% | (14.07%) | 11.33% | 8.07% | 21.94% | (13.33%) | 25.17% | 1.03% |