Form N-1A Supplement |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |
| Supplement to Prospectus [Text Block] | iShares® iShares Trust Supplement dated July 1, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (the “SAI”) for the iShares iBonds 2030 Term High Yield and Income ETF (IBHJ) and iShares iBonds Dec 2033 Term Corporate ETF (IBDY) (each a “Fund”) Change in each Fund’s “Summary of Principal Risks” The section of each Fund’s Summary Prospectus and Prospectus entitled “Summary of Principal Risks” is amended to delete the paragraph entitled “Non‑Diversification Risk”. If you have any questions, please call 1‑800‑iShares (1‑800‑474‑2737). iShares® is a registered trademark of BlackRock Fund Advisors and its affiliates.
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| iShares iBonds 2030 Term High Yield and Income ETF | |
| Prospectus [Line Items] | |
| Supplement to Prospectus [Text Block] | iShares® iShares Trust Supplement dated July 1, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (the “SAI”) for the iShares iBonds 2030 Term High Yield and Income ETF (IBHJ) and iShares iBonds Dec 2033 Term Corporate ETF (IBDY) (each a “Fund”) Change in each Fund’s “Summary of Principal Risks” The section of each Fund’s Summary Prospectus and Prospectus entitled “Summary of Principal Risks” is amended to delete the paragraph entitled “Non‑Diversification Risk”. If you have any questions, please call 1‑800‑iShares (1‑800‑474‑2737). iShares® is a registered trademark of BlackRock Fund Advisors and its affiliates.
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| iShares iBonds Dec 2033 Term Corporate ETF | |
| Prospectus [Line Items] | |
| Supplement to Prospectus [Text Block] | iShares® iShares Trust Supplement dated July 1, 2026 to the currently effective Summary Prospectus, Prospectus and Statement of Additional Information (the “SAI”) for the iShares iBonds 2030 Term High Yield and Income ETF (IBHJ) and iShares iBonds Dec 2033 Term Corporate ETF (IBDY) (each a “Fund”) Change in each Fund’s “Summary of Principal Risks” The section of each Fund’s Summary Prospectus and Prospectus entitled “Summary of Principal Risks” is amended to delete the paragraph entitled “Non‑Diversification Risk”. If you have any questions, please call 1‑800‑iShares (1‑800‑474‑2737). iShares® is a registered trademark of BlackRock Fund Advisors and its affiliates.
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