S000015627 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 212 Months Ended | ||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
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| Russell 3000 Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 23.81% | 13.86% | 12.55% | |||
| FTSE Nareit Equity REITs 40 Act Capped Index (Spliced) (Returns do not reflect deductions for fees, expenses or taxes) | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | [1] | 8.73% | 4.27% | 5.83% | ||
| iShares Core U.S. REIT ETF | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 8.60% | 4.19% | 5.71% | |||
| Performance Inception Date | May 01, 2007 | |||||
| iShares Core U.S. REIT ETF | After Taxes on Distributions | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 7.58% | 3.08% | 4.30% | |||
| iShares Core U.S. REIT ETF | After Taxes on Distributions and Sales | ||||||
| Prospectus [Line Items] | ||||||
| Average Annual Return, Percent | 5.31% | 2.82% | 3.87% | |||
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