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 Dynamic Equity Fund | Institutional Shares              
Prospectus [Line Items]              
Annual Return [Percent] 18.80% 17.71% (17.55%) 18.24% 21.47% 27.03% (13.43%)