v3.26.1
S000004339 [Member] Expense Example - iShares Core S&P U.S. Value ETF - iShares Core S&P U.S. Value ETF
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 4
Expense Example, with Redemption, 3 Years 13
Expense Example, with Redemption, 5 Years 23
Expense Example, with Redemption, 10 Years $ 51