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S000080646 [Member] Annual Fund Operating Expenses - iShares Large Cap Deep Buffer ETF
Jul. 31, 2025
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination June 30, 2028
iShares Large Cap Deep Buffer ETF  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.50% [1]
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00% [2]
Acquired Fund Fees and Expenses 0.03% [1],[3]
Expenses (as a percentage of Assets) 0.53% [3]
Fee Waiver or Reimbursement (0.03%) [1]
Net Expenses (as a percentage of Assets) 0.50% [1]
[1]
As described in the “Management” section of the Fund’s prospectus beginning on page 32, BFA has contractually agreed to waive a portion of its management fees in an amount equal to the aggregate Acquired Fund Fees and Expenses, if any, attributable to investments by the Fund in other funds advised by BFA or its affiliates through June 30, 2028. As described in the “Management” section of the Fund’s prospectus beginning on page 32, BFA has contractually agreed to waive a portion of its management fees in an amount equal to the aggregate Acquired Fund Fees and Expenses, if any, attributable to investments by the Fund in money market funds managed by BFA or its affiliates through June 30, 2028. The agreement (with respect to either waiver) may be terminated upon 90 days’ notice by a majority of the non‑interested trustees of the Trust or by a vote of a majority of the outstanding voting securities of the Fund.
[2] Other Expenses have been restated to reflect the current fees.
[3]
The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets given in the Fund’s most recent annual financial statements and additional information, which do not include Acquired Fund Fees and Expenses.