S000061314 [Member] Expense Example - iShares U.S. Infrastructure ETF - iShares U.S. Infrastructure ETF	Mar. 31, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 31
Expense Example, with Redemption, 3 Years	97
Expense Example, with Redemption, 5 Years	169
Expense Example, with Redemption, 10 Years	$ 381

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