S000071770 [Member] Annual Total Returns |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| iShares BBB Rated Corporate Bond ETF | iShares BBB Rated Corporate Bond ETF | |||
| Prospectus [Line Items] | |||
| Annual Return [Percent] | 2.74% | 9.18% | (15.55%) |