S000013699 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 228 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 US Corporate Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | [1] | 7.78% | 0.11% | 3.31% | ||
| iShares Broad USD Investment Grade Corporate Bond ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 7.85% | 0.11% | 3.21% | |||
| Performance Inception Date | Jan. 05, 2007 | |||||
| iShares Broad USD Investment Grade Corporate Bond ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 5.82% | (1.39%) | 1.75% | |||
| iShares Broad USD Investment Grade Corporate Bond ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 4.61% | (0.58%) | 1.83% | |||
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