v3.26.1
S000004317 [Member] Expense Example - iShares Core S&P Total U.S. Stock Market ETF - iShares Core S&P Total U.S. Stock Market ETF
Mar. 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 3
Expense Example, with Redemption, 3 Years 10
Expense Example, with Redemption, 5 Years 17
Expense Example, with Redemption, 10 Years $ 39