S000026651 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 193 Months Ended | ||
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
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%) | 2.01% | |||
| ICE BofA 10+ Year US Corporate Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | [1] | 7.55% | (2.82%) | 3.47% | ||
| iShares 10+ Year Investment Grade Corporate Bond ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 7.46% | (2.90%) | 3.30% | |||
| Performance Inception Date | Dec. 08, 2009 | |||||
| iShares 10+ Year Investment Grade Corporate Bond ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 5.22% | (4.64%) | 1.51% | |||
| iShares 10+ Year Investment Grade Corporate Bond ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 4.38% | (2.89%) | 1.78% | |||
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