v3.26.3
Label Element Value
GMO Emerging Country Debt Fund | GMO Emerging Country Debt Fund  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk/Return [Heading] oef_RiskReturnHeading GMO Emerging Country Debt Fund
Shareholder Fees Caption [Optional Text] oef_ShareholderFeesCaption Shareholder fees1 (fees paid directly from your investment)
Expense Example [Heading] oef_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] oef_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same as those shown in the table. The one year amounts shown reflect the expense waiver noted in the expense table. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
GMO Emerging Country Debt Fund | GMO Emerging Country Debt Fund | Class III  
Prospectus [Line Items] oef_ProspectusLineItems  
Maximum Deferred Sales Charge (as a percentage of Offering Price) oef_MaximumDeferredSalesChargeOverOfferingPrice 0.50% [1]
Redemption Fee (as a percentage of Amount Redeemed) oef_RedemptionFeeOverRedemption (0.50%) [1]
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 165
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 304
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 456
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 897
Expense Example, No Redemption, 1 Year oef_ExpenseExampleNoRedemptionYear01 113
Expense Example, No Redemption, 3 Years oef_ExpenseExampleNoRedemptionYear03 248
Expense Example, No Redemption, 5 Years oef_ExpenseExampleNoRedemptionYear05 394
Expense Example, No Redemption, 10 Years oef_ExpenseExampleNoRedemptionYear10 $ 820
GMO Emerging Country Debt Fund | GMO Emerging Country Debt Fund | Class IV  
Prospectus [Line Items] oef_ProspectusLineItems  
Maximum Deferred Sales Charge (as a percentage of Offering Price) oef_MaximumDeferredSalesChargeOverOfferingPrice 0.50% [1]
Redemption Fee (as a percentage of Amount Redeemed) oef_RedemptionFeeOverRedemption (0.50%) [1]
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 160
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 288
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 428
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 837
Expense Example, No Redemption, 1 Year oef_ExpenseExampleNoRedemptionYear01 108
Expense Example, No Redemption, 3 Years oef_ExpenseExampleNoRedemptionYear03 232
Expense Example, No Redemption, 5 Years oef_ExpenseExampleNoRedemptionYear05 367
Expense Example, No Redemption, 10 Years oef_ExpenseExampleNoRedemptionYear10 $ 760
GMO Emerging Country Debt Fund | GMO Emerging Country Debt Fund | Class VI  
Prospectus [Line Items] oef_ProspectusLineItems  
Maximum Deferred Sales Charge (as a percentage of Offering Price) oef_MaximumDeferredSalesChargeOverOfferingPrice 0.50% [1]
Redemption Fee (as a percentage of Amount Redeemed) oef_RedemptionFeeOverRedemption (0.50%) [1]
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 156
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 276
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 407
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 789
Expense Example, No Redemption, 1 Year oef_ExpenseExampleNoRedemptionYear01 104
Expense Example, No Redemption, 3 Years oef_ExpenseExampleNoRedemptionYear03 219
Expense Example, No Redemption, 5 Years oef_ExpenseExampleNoRedemptionYear05 345
Expense Example, No Redemption, 10 Years oef_ExpenseExampleNoRedemptionYear10 $ 712
[1] For additional information, see “Purchase Premiums and Redemption Fees” on page 202 of this Prospectus.