v3.26.1
S000022498 [Member] Expense Example - iShares Global Clean Energy ETF - iShares Global Clean Energy ETF
Apr. 30, 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