S000004326 [Member] Expense Example - iShares Global 100 ETF - iShares Global 100 ETF	Mar. 31, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 41
Expense Example, with Redemption, 3 Years	128
Expense Example, with Redemption, 5 Years	224
Expense Example, with Redemption, 10 Years	$ 505

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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