020100 - Document - Risk/Return Summary {Unlabeled} - Mercer US Small/Mid Cap Equity Fund - Mercer US Small/Mid Cap Equity Fund link:presentationLink link:definitionLink link:calculationLink 020101 - Disclosure - Risk/Return Detail Data {Elements} - Mercer US Small/Mid Cap Equity Fund - Mercer US Small/Mid Cap Equity Fund link:presentationLink link:definitionLink link:calculationLink 020102 - Document - Risk/Return Summary {Unlabeled} - Mercer Non-US Core Equity Fund - Mercer Non-US Core Equity Fund link:presentationLink link:definitionLink link:calculationLink 020103 - Disclosure - Risk/Return Detail Data {Elements} - Mercer Non-US Core Equity Fund - Mercer Non-US Core Equity Fund link:presentationLink link:definitionLink link:calculationLink 020104 - Document - Risk/Return Summary {Unlabeled} - Mercer Emerging Markets Equity Fund - Mercer Emerging Markets Equity Fund link:presentationLink link:definitionLink link:calculationLink 020105 - Disclosure - Risk/Return Detail Data {Elements} - Mercer Emerging Markets Equity Fund - Mercer Emerging Markets Equity Fund link:presentationLink link:definitionLink link:calculationLink 020106 - Document - Risk/Return Summary {Unlabeled} - Mercer Core Fixed Income Fund - Mercer Core Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink 020107 - Disclosure - Risk/Return Detail Data {Elements} - Mercer Core Fixed Income Fund - Mercer Core Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink 020108 - Document - Risk/Return Summary {Unlabeled} - Mercer Opportunistic Fixed Income Fund - Mercer Opportunistic Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink 020109 - Disclosure - Risk/Return Detail Data {Elements} - Mercer Opportunistic Fixed Income Fund - Mercer Opportunistic Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink 020110 - Document - Risk/Return Summary {Unlabeled} - Mercer Short Duration Fixed Income Fund - Mercer Short Duration Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink 020111 - Disclosure - Risk/Return Detail Data {Elements} - Mercer Short Duration Fixed Income Fund - Mercer Short Duration Fixed Income Fund link:presentationLink link:definitionLink link:calculationLink