S000009417 [Member] Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 236 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P Total Market Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.05% | 13.07% | 14.22% | |
| Dow Jones U.S. Select Pharmaceuticals Index (Returns do not reflect deductions for fees, expenses or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 32.00% | 9.35% | 6.52% | |
| iShares U.S. Pharmaceuticals ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 31.74% | 9.09% | 6.24% | |
| Performance Inception Date | May 01, 2006 | |||
| iShares U.S. Pharmaceuticals ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 31.11% | 8.63% | 5.86% | |
| iShares U.S. Pharmaceuticals ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 19.13% | 7.09% | 4.91% |