S000068768 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 67 Months Ended | ||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| ICE BofA US Broad Market Index (Returns do not reflect deductions for fees, expenses or taxes) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.15% | (0.42%) | 0.04% | ||
| ICE 0-3 Month US Treasury Securities Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | [1] | 3.41% | 2.54% | 2.27% | |
| iShares 0-3 Month Treasury Bond ETF | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 4.24% | 3.23% | 2.89% | ||
| Performance Inception Date | May 26, 2020 | ||||
| iShares 0-3 Month Treasury Bond ETF | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.51% | 1.93% | 1.73% | ||
| iShares 0-3 Month Treasury Bond ETF | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 2.49% | 1.91% | 1.71% | ||
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