S000013499 [Member] Expense Example - iShares Preferred and Income Securities ETF - iShares Preferred and Income Securities ETF |
Mar. 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 46 |
| Expense Example, with Redemption, 3 Years | 144 |
| Expense Example, with Redemption, 5 Years | 252 |
| Expense Example, with Redemption, 10 Years | $ 567 |