010000 - Document - Document and Entity Information {Elements} link:presentationLink link:calculationLink link:definitionLink 020102 - Disclosure - Risk/Return Detail Data (U.S. CORE EQUITY 1 PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink 020103 - Disclosure - Risk/Return Detail Data (U.S. CORE EQUITY 2 PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink 020104 - Disclosure - Risk/Return Detail Data (U.S. VECTOR EQUITY PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink 020105 - Disclosure - Risk/Return Detail Data (U.S. High Relative Profitability Portfolio) {Elements} link:presentationLink link:calculationLink link:definitionLink 020106 - Disclosure - Risk/Return Detail Data (U.S. SMALL CAP PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink 020107 - Disclosure - Risk/Return Detail Data (U.S. Targeted Value Portfolio) {Elements} link:presentationLink link:calculationLink link:definitionLink 020108 - Disclosure - Risk/Return Detail Data (U.S. SMALL CAP VALUE PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink 020109 - Disclosure - Risk/Return Detail Data (DFA REAL ESTATE SECURITIES PORTFOLIO) {Elements} link:presentationLink link:calculationLink link:definitionLink