| 
                Vanguard International Stock Index-Emerging Markets Stk
             | 
                        
                Jul 31, 2023
             | 
                        
                8.4M
             | 
                        
                9.2B
             | 
                        
                0.9%
             | 
                    
                
                        | 
                Vanguard International Stock Index-Total Intl Stock Indx
             | 
                        
                Jul 31, 2023
             | 
                        
                8.1M
             | 
                        
                8.8B
             | 
                        
                0.8%
             | 
                    
                
                        | 
                MFS Series Trust X-MFS Emerging Markets Equity Fund
             | 
                        
                May 31, 2023
             | 
                        
                6.4M
             | 
                        
                7.1B
             | 
                        
                0.7%
             | 
                    
                
                        | 
                iShares Core MSCI Emerging Markets ETF
             | 
                        
                Aug 31, 2023
             | 
                        
                5.0M
             | 
                        
                6.0B
             | 
                        
                0.5%
             | 
                    
                
                        | 
                Baillie Gifford Emerging Markets Equities Fund
             | 
                        
                Jun 30, 2023
             | 
                        
                4.5M
             | 
                        
                5.1B
             | 
                        
                0.5%
             | 
                    
                
                        | 
                Price (T.Rowe) Emerging Markets Discovery Stock Fund
             | 
                        
                Jul 31, 2023
             | 
                        
                3.8M
             | 
                        
                4.1B
             | 
                        
                0.4%
             | 
                    
                
                        | 
                iShares MSCI India ETF
             | 
                        
                Aug 31, 2023
             | 
                        
                3.1M
             | 
                        
                3.8B
             | 
                        
                0.3%
             | 
                    
                
                        | 
                Fidelity SAI Emerging Markets Low Volatility Index Fund
             | 
                        
                Jul 31, 2023
             | 
                        
                2.6M
             | 
                        
                2.8B
             | 
                        
                0.3%
             | 
                    
                
                        | 
                DFA Emerging Markets Core Equity Portfolio
             | 
                        
                Jul 31, 2023
             | 
                        
                2.0M
             | 
                        
                2.2B
             | 
                        
                0.2%
             | 
                    
                
                        | 
                iShares MSCI Emerging Markets ETF
             | 
                        
                Sep 30, 2023
             | 
                        
                1.5M
             | 
                        
                1.9B
             | 
                        
                0.2%
             |