S000022500 [Member] Expense Example - iShares Global Timber & Forestry ETF - iShares Global Timber & Forestry ETF	Mar. 31, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 40
Expense Example, with Redemption, 3 Years	125
Expense Example, with Redemption, 5 Years	219
Expense Example, with Redemption, 10 Years	$ 493

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