v3.26.1
S000004370 [Member] Expense Example - iShares Global Financials ETF - iShares Global Financials ETF
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 39
Expense Example, with Redemption, 3 Years 122
Expense Example, with Redemption, 5 Years 213
Expense Example, with Redemption, 10 Years $ 480