v3.26.1
S000077884 [Member] Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
iShares Environmental Infrastructure and Industrials ETF | iShares Environmental Infrastructure and Industrials ETF      
Prospectus [Line Items]      
Annual Return [Percent] 13.98% 8.25% 13.88%