v3.26.1
S000077112 [Member] Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
iShares Environmentally Aware Real Estate ETF | iShares Environmentally Aware Real Estate ETF      
Prospectus [Line Items]      
Annual Return [Percent] 10.06% 0.70% 10.21%