v3.26.1
S000004334 [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended 266 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P Total Market Index (Returns do not reflect deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 17.05% 13.07% 14.22%  
Dow Jones U.S. Select Dividend Index (Returns do not reflect deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 12.12% 12.43% 10.83%  
iShares Select Dividend ETF        
Prospectus [Line Items]        
Average Annual Return, Percent 11.64% 11.96% 10.38%  
Performance Inception Date       Nov. 03, 2003
iShares Select Dividend ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 10.64% 11.00% 9.45%  
iShares Select Dividend ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 7.53% 9.40% 8.32%