Class K [Member] Investment Objectives and Goals - Class K - BlackRock Advantage Large Cap Core Fund |
May 31, 2026 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | Fund OverviewKey Facts About BlackRock Advantage Large Cap Core Fund |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The investment objective of BlackRock Advantage Large Cap Core Fund (the “Fund”), a series of BlackRock Large Cap Series Funds, Inc. (the “Corporation”), is to seek long-term capital growth. In other words, the Fund tries to choose investments that will increase in value.
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