S000004358 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 281 Months Ended | ||
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|||
| 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%) | 2.01% | |||
| ICE U.S. Treasury 7-10 Year Bond Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | [1] | 8.20% | (1.70%) | 1.37% | ||
| iShares 7-10 Year Treasury Bond ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 8.06% | (1.82%) | 1.26% | |||
| Performance Inception Date | Jul. 22, 2002 | |||||
| iShares 7-10 Year Treasury Bond ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 6.40% | (2.85%) | 0.34% | |||
| iShares 7-10 Year Treasury Bond ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 4.74% | (1.81%) | 0.57% | |||
| ||||||