v3.26.1
S000071770 [Member] Average Annual Total Returns
12 Months Ended 55 Months Ended
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% 0.58%
iBoxx USD Liquid Investment Grade BBB 0+ Index (Returns do not reflect deductions for fees, expenses or taxes)    
Prospectus [Line Items]    
Average Annual Return, Percent 7.47% 1.13%
iShares BBB Rated Corporate Bond ETF    
Prospectus [Line Items]    
Average Annual Return, Percent 7.45% 0.99%
Performance Inception Date   May 18, 2021
iShares BBB Rated Corporate Bond ETF | After Taxes on Distributions    
Prospectus [Line Items]    
Average Annual Return, Percent 5.41% (0.63%)
iShares BBB Rated Corporate Bond ETF | After Taxes on Distributions and Sales    
Prospectus [Line Items]    
Average Annual Return, Percent 4.37% 0.04%