v3.26.1
S000016772 [Member] Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended 225 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Universal Index (Returns do not reflect deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 7.58% 0.06% 2.44%  
iBoxx USD Liquid High Yield Index (Returns do not reflect deductions for fees, expenses or taxes)        
Prospectus [Line Items]        
Average Annual Return, Percent 8.83% 4.34% 6.01%  
iShares iBoxx $ High Yield Corporate Bond ETF        
Prospectus [Line Items]        
Average Annual Return, Percent 8.56% 3.94% 5.51%  
Performance Inception Date       Apr. 04, 2007
iShares iBoxx $ High Yield Corporate Bond ETF | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent 6.04% 1.69% 3.23%  
iShares iBoxx $ High Yield Corporate Bond ETF | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent 5.01% 1.99% 3.23%