v3.25.2
S000068768 [Member] Annual Fund Operating Expenses - iShares 0-3 Month Treasury Bond ETF - iShares 0-3 Month Treasury Bond ETF
Feb. 28, 2025
 [1],[2]
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.09%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00% [3]
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.
[3] The amount rounded to 0.00%.