S000069533 [Member] Expense Example - iShares ESG Select Screened S&P Mid-Cap ETF - iShares ESG Select Screened S&P Mid-Cap ETF |
Mar. 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 12 |
| Expense Example, with Redemption, 3 Years | 39 |
| Expense Example, with Redemption, 5 Years | 68 |
| Expense Example, with Redemption, 10 Years | $ 154 |