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 Total International Index Fund | Class K shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 32.57% | 5.37% | 15.24% | (16.39%) | 7.70% | 10.76% | 21.22% | (13.91%) | 27.62% | 4.37% |