S000004360 [Member] Investment Objectives and Goals - iShares 20+ Year Treasury Bond ETF |
Feb. 28, 2026 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | iSHARES® 20+ YEAR TREASURY BOND ETFTLT | Nasdaq |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The iShares 20+ Year Treasury Bond ETF (the “Fund”) seeks to track the investment results of an index composed of U.S. Treasury bonds with remaining maturities greater than twenty years.
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