S000057341 [Member] Average Annual Total Returns

12 Months Ended

60 Months Ended

86 Months Ended

Dec. 31, 2024

Dec. 31, 2024

Dec. 31, 2024

Bloomberg U.S. Universal Index (Returns do not reflect deductions for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[1]

2.04%

0.06%

1.41%

BlackRock High Yield Systematic Bond Index (Returns do not reflect deductions for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

9.41%

5.48%

5.79%

Markit iBoxx USD Liquid High Yield Index (Returns do not reflect deductions for fees, expenses or taxes)

Prospectus [Line Items]

Average Annual Return, Percent

^[2]

7.91%

3.53%

4.31%

iShares High Yield Systematic Bond ETF

Prospectus [Line Items]

Average Annual Return, Percent

8.95%

4.92%

5.42%

Performance Inception Date

Jul. 11, 2017

iShares High Yield Systematic Bond ETF | After Taxes on Distributions

Prospectus [Line Items]

Average Annual Return, Percent

5.89%

2.29%

2.83%

iShares High Yield Systematic Bond ETF | After Taxes on Distributions and Sales

Prospectus [Line Items]

Average Annual Return, Percent

5.23%

2.59%

2.99%

[1]	The Fund has added this broad-based index in response to new regulatory requirements.
[2]	Effective approximately one year from the date of the Fund’s prospectus, the Fund will no longer compare its performance to this index.