v3.26.1
GMO Opportunistic Income Fund Expense Example - GMO Opportunistic Income Fund
Feb. 28, 2026
USD ($)
Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 59
Expense Example, with Redemption, 3 Years 190
Expense Example, with Redemption, 5 Years 333
Expense Example, with Redemption, 10 Years 748
Class VI  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 50
Expense Example, with Redemption, 3 Years 162
Expense Example, with Redemption, 5 Years 283
Expense Example, with Redemption, 10 Years 639
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 190
Expense Example, with Redemption, 5 Years 333
Expense Example, with Redemption, 10 Years 748
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 72
Expense Example, with Redemption, 3 Years 228
Expense Example, with Redemption, 5 Years 399
Expense Example, with Redemption, 10 Years $ 893