v3.26.1
S000069740 [Member] Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
iShares US Small Cap Value Factor ETF | iShares US Small Cap Value Factor ETF          
Prospectus [Line Items]          
Annual Return [Percent] 8.25% 7.61% 12.32% (10.11%) 33.32%