S000019126 [Member] Expense Example - iShares MSCI Japan Small-Cap ETF - iShares MSCI Japan Small-Cap ETF	Aug. 31, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 51
Expense Example, with Redemption, 3 Years	160
Expense Example, with Redemption, 5 Years	280
Expense Example, with Redemption, 10 Years	$ 628

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