v3.26.1
GMO Asset Allocation Bond Fund Expense Example - GMO Asset Allocation Bond Fund
Feb. 28, 2026
USD ($)
Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 47
Expense Example, with Redemption, 3 Years 211
Expense Example, with Redemption, 5 Years 388
Expense Example, with Redemption, 10 Years 903
Class VI  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 38
Expense Example, with Redemption, 3 Years 182
Expense Example, with Redemption, 5 Years 339
Expense Example, with Redemption, 10 Years $ 795