v3.26.1
GMO-Usonian Japan Value Creation Fund Annual Total Returns
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
GMO-Usonian Japan Value Creation Fund | Class VI        
Prospectus [Line Items]        
Annual Return [Percent] 8.29% 21.81% (12.73%) 0.73%