S000068817 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 66 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Bloomberg U.S. Universal Index (Returns do not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.58% | 0.06% | 0.49% |
| Bloomberg MSCI US Universal Choice ESG Screened Index (Returns do not reflect deductions for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.48% | 0.04% | 0.38% |
| iShares ESG Advanced Universal USD Bond ETF | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 7.28% | (0.09%) | 0.24% |
| Performance Inception Date | Jun. 23, 2020 | ||
| iShares ESG Advanced Universal USD Bond ETF | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 5.60% | (1.22%) | (0.82%) |
| iShares ESG Advanced Universal USD Bond ETF | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 4.28% | (0.56%) | (0.28%) |