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S000019342 [Member] Annual Fund Operating Expenses - iShares New York Muni Bond ETF - iShares New York Muni Bond ETF
Feb. 28, 2026
 [1],[2]
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.09%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.09%
[1] Operating expenses paid by BFA under the Investment Advisory Agreement exclude acquired fund fees and expenses, if any.
[2] The expense information in the table has been restated to reflect current fees.