S000071770 [Member] Average Annual Total Returns |
12 Months Ended | 43 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
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| Bloomberg U.S. Universal Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | [1] | 2.04% | (1.28%) | |
| iBoxx USD Liquid Investment Grade BBB 0+ Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.01% | (0.56%) | ||
| iShares BBB Rated Corporate Bond ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 2.74% | (0.72%) | ||
| Performance Inception Date | May 18, 2021 | |||
| iShares BBB Rated Corporate Bond ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 0.91% | (2.24%) | ||
| iShares BBB Rated Corporate Bond ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 1.61% | (1.19%) | ||
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