S000015623 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 224 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% | |
| FTSE Nareit All Residential Capped Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 5.30% | 7.32% | 6.49% | |
| iShares Residential and Multisector Real Estate ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 4.80% | 6.82% | 6.07% | |
| Performance Inception Date | May 01, 2007 | |||
| iShares Residential and Multisector Real Estate ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.82% | 5.84% | 4.81% | |
| iShares Residential and Multisector Real Estate ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.01% | 4.98% | 4.26% |