S000045649 [Member] Expense Example - iShares Global REIT ETF - iShares Global REIT ETF	Apr. 30, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 14
Expense Example, with Redemption, 3 Years	45
Expense Example, with Redemption, 5 Years	79
Expense Example, with Redemption, 10 Years	$ 179

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