v3.26.1
GMO Benchmark-Free Allocation Fund Expense Example - GMO Benchmark-Free Allocation Fund
Feb. 28, 2025
USD ($)
Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 125
Expense Example, with Redemption, 3 Years 401
Expense Example, with Redemption, 5 Years 697
Expense Example, with Redemption, 10 Years 1,541
Class IV  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 120
Expense Example, with Redemption, 3 Years 385
Expense Example, with Redemption, 5 Years 671
Expense Example, with Redemption, 10 Years 1,484
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 125
Expense Example, with Redemption, 3 Years 401
Expense Example, with Redemption, 5 Years 697
Expense Example, with Redemption, 10 Years 1,541
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 136
Expense Example, with Redemption, 3 Years 435
Expense Example, with Redemption, 5 Years 756
Expense Example, with Redemption, 10 Years $ 1,664