S000004323 [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. Financials ETF | iShares U.S. Financials ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 18.22% | 31.38% | 15.23% | (11.30%) | 31.46% | (0.99%) | 31.96% | (9.25%) | 19.54% | 16.82% |