v3.26.1
S000009418 [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended 236 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 Health Care Providers Index (Returns do not reflect deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 1.29% 1.58% 8.23%  
iShares U.S. Healthcare Providers ETF        
Prospectus [Line Items]        
Average Annual Return, Percent 0.91% 1.23% 7.83%  
Performance Inception Date       May 01, 2006
iShares U.S. Healthcare Providers ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 0.67% 1.04% 7.58%  
iShares U.S. Healthcare Providers ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 0.72% 0.95% 6.35%