Dollar [Member] Investment Objectives and Goals - Dollar - TREASURY TRUST FUND

Apr. 30, 2025

Prospectus [Line Items]

Risk/Return [Heading]

Fund OverviewKey Facts About Treasury Trust Fund

Objective [Heading]

Investment Objective

Objective, Primary [Text Block]

The investment objective of Treasury Trust 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.