v3.26.3
Services [Member] Investment Objectives and Goals - Services - BlackRock Technology Opportunities Fund
May 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Fund Overview Key Facts About BlackRock Technology Opportunities Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The investment objective of BlackRock Technology Opportunities Fund (the “Fund”), a series of BlackRock FundsSM (the “Trust”), is to provide long-term capital appreciation.