v3.26.1
GMO Climate Change Fund Expense Example - GMO Climate Change Fund
Feb. 28, 2026
USD ($)
Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 80
Expense Example, with Redemption, 3 Years 256
Expense Example, with Redemption, 5 Years 447
Expense Example, with Redemption, 10 Years 999
Class IV  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 75
Expense Example, with Redemption, 3 Years 240
Expense Example, with Redemption, 5 Years 419
Expense Example, with Redemption, 10 Years 939
Class V  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 74
Expense Example, with Redemption, 3 Years 237
Expense Example, with Redemption, 5 Years 414
Expense Example, with Redemption, 10 Years 928
Class VI  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 227
Expense Example, with Redemption, 5 Years 398
Expense Example, with Redemption, 10 Years 892
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 80
Expense Example, with Redemption, 3 Years 256
Expense Example, with Redemption, 5 Years 447
Expense Example, with Redemption, 10 Years 999
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 88
Expense Example, with Redemption, 3 Years 281
Expense Example, with Redemption, 5 Years 490
Expense Example, with Redemption, 10 Years $ 1,093