S000004306 [Member] Expense Example - iShares S&P 100 ETF - iShares S&P 100 ETF |
Mar. 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 20 |
| Expense Example, with Redemption, 3 Years | 64 |
| Expense Example, with Redemption, 5 Years | 113 |
| Expense Example, with Redemption, 10 Years | $ 255 |