v3.26.1
GMO Small Cap Quality Fund Expense Example - GMO Small Cap Quality Fund
Feb. 28, 2026
USD ($)
Class III  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 78
Expense Example, with Redemption, 3 Years 254
Expense Example, with Redemption, 5 Years 445
Expense Example, with Redemption, 10 Years 997
Class IV  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 73
Expense Example, with Redemption, 3 Years 238
Expense Example, with Redemption, 5 Years 417
Expense Example, with Redemption, 10 Years 938
Class V  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 70
Expense Example, with Redemption, 3 Years 238
Expense Example, with Redemption, 5 Years 420
Expense Example, with Redemption, 10 Years 947
Class VI  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 225
Expense Example, with Redemption, 5 Years 396
Expense Example, with Redemption, 10 Years 890
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 78
Expense Example, with Redemption, 3 Years 256
Expense Example, with Redemption, 5 Years 449
Expense Example, with Redemption, 10 Years 1,008
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 90
Expense Example, with Redemption, 3 Years 291
Expense Example, with Redemption, 5 Years 510
Expense Example, with Redemption, 10 Years $ 1,138