020100 - Document - Risk/Return Summary {Unlabeled} - GMO Emerging Country Debt Fund - GMO Emerging Country Debt Fund link:presentationLink link:definitionLink link:calculationLink 020101 - Disclosure - Risk/Return Detail Data {Elements} - GMO Emerging Country Debt Fund - GMO Emerging Country Debt Fund link:presentationLink link:definitionLink link:calculationLink 020102 - Document - Risk/Return Summary {Unlabeled} - GMO Emerging Country Debt Shares Fund - GMO Emerging Country Debt Shares Fund link:presentationLink link:definitionLink link:calculationLink 020103 - Disclosure - Risk/Return Detail Data {Elements} - GMO Emerging Country Debt Shares Fund - GMO Emerging Country Debt Shares Fund link:presentationLink link:definitionLink link:calculationLink