v3.26.1
Annual Total Returns
 12 Months Ended
Dec. 31, 2025
iShares Technology Opportunities Active ETF | iShares Technology Opportunities Active ETF  
Prospectus [Line Items]  
Annual Return [Percent] 18.89% [1]
[1] The Fund’s year‑to‑date return as of June 30, 2026 was 42.23%.