S000004331 [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 |
|
| iShares U.S. Transportation ETF | iShares U.S. Transportation ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 11.49% | 4.12% | 24.53% | (21.71%) | 26.35% | 14.24% | 20.16% | (12.82%) | 18.93% | 22.05% |