v3.25.2
Institutional [Member] Annual Total Returns
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Institutional | BlackRock GA Disciplined Volatility Equity Fund | Institutional Shares              
Prospectus [Line Items]              
Annual Return [Percent] 12.52% 17.54% (12.31%) 17.16% 11.52% 19.54% (6.14%)