S000016772 [Member] Expense Example - iShares iBoxx $ High Yield Corporate Bond ETF - iShares iBoxx $ High Yield Corporate Bond ETF	Feb. 28, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 50
Expense Example, with Redemption, 3 Years	157
Expense Example, with Redemption, 5 Years	274
Expense Example, with Redemption, 10 Years	$ 616

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