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Capital [Member] Investment Objectives and Goals - Capital - T-FUND
Apr. 30, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Fund Overview Key Facts About T‑Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of T‑Fund (the “Fund”), a series of BlackRock Liquidity Funds (the “Trust”), is to seek current income as is consistent with liquidity and stability of principal.