Investor A Institutional [Member] Investment Objectives and Goals - Investor A, Institutional - BlackRock Sustainable Advantage Global Equity Fund |
Oct. 31, 2024 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund Overview Key Facts About BlackRock Sustainable Aware Advantage Global Equity Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of BlackRock Sustainable Aware Advantage Global Equity Fund (the “Fund”, formerly known as BlackRock Sustainable Advantage Global Equity Fund), a series of BlackRock FundsSM (the “Trust”), is to seek to provide long-term capital appreciation while seeking to maintain certain environmental, social and governance (“ESG”) characteristics and climate risk exposure relative to the Fund’s benchmark. |