S000004361 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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 |
Dec. 31, 2015 |
|
| iShares iBoxx $ Investment Grade Corporate Bond ETF | iShares iBoxx $ Investment Grade Corporate Bond ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 0.99% | 9.27% | (18.01%) | (1.57%) | 11.14% | 17.13% | (3.76%) | 7.16% | 5.97% | (1.08%) |