v3.25.4
Annual Fund Operating Expenses - iShares iBonds Dec 2035 Term Muni Bond ETF
Mar. 06, 2026
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination December 2, 2035
iShares iBonds Dec 2035 Term Muni Bond ETF  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.18% [1]
Distribution and Service (12b-1) Fees 0.00% [1]
Other Expenses (as a percentage of Assets): 0.00% [1],[2]
Acquired Fund Fees and Expenses 0.00% [1],[2]
Expenses (as a percentage of Assets) 0.18% [1]
Fee Waiver or Reimbursement 0.00% [1]
Net Expenses (as a percentage of Assets) 0.18% [1]
[1] Operating expenses paid by BFA under the Investment Advisory Agreement exclude Acquired Fund Fees and Expenses, if any.
[2] Based on estimated amounts for the current fiscal year.