v3.26.1
S000008884 [Member] Annual Fund Operating Expenses - iShares Global Materials ETF - iShares Global Materials ETF
Mar. 31, 2026
 [1],[2]
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.37%
Other Expenses (as a percentage of Assets): 0.00%
Expenses (as a percentage of Assets) 0.37%
[1] Operating expenses paid by BFA under the Investment Advisory Agreement exclude acquired fund fees and expenses, if any.
[2] Professional fees for foreign withholding tax claims that occurred during the most recent fiscal year have been restated to reflect expected fees in the current year.