S000004355 [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 Expanded Tech-Software Sector ETF | iShares Expanded Tech-Software Sector ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 5.62% | 23.40% | 58.47% | (35.57%) | 12.23% | 52.83% | 34.36% | 12.43% | 42.16% | 5.87% |