S000013702 [Member] Investment Objectives and Goals - iShares MBS ETF |
Feb. 28, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | iSHARES® MBS ETF Ticker: MBBStock Exchange: Nasdaq |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The iShares MBS ETF (the “Fund”) seeks to track the investment results of an index composed of investment-grade mortgage-backed pass-through securities issued and/or guaranteed by U.S. government agencies.
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