| 
                Europacific Growth Fund
             | 
                        
                Mar 31, 2024
             | 
                        
                81.6M
             | 
                        
                242.9B
             | 
                        
                1.2%
             | 
                    
                
                        | 
                Vanguard International Stock Index-Total Intl Stock Indx
             | 
                        
                Apr 30, 2024
             | 
                        
                46.4M
             | 
                        
                136.1B
             | 
                        
                0.7%
             | 
                    
                
                        | 
                Vanguard International Stock Index-Emerging Markets Stk
             | 
                        
                Apr 30, 2024
             | 
                        
                44.9M
             | 
                        
                131.5B
             | 
                        
                0.7%
             | 
                    
                
                        | 
                iShares Core MSCI Emerging Markets ETF
             | 
                        
                Jul 31, 2024
             | 
                        
                27.2M
             | 
                        
                81.9B
             | 
                        
                0.4%
             | 
                    
                
                        | 
                iShares MSCI India ETF
             | 
                        
                Jul 31, 2024
             | 
                        
                22.7M
             | 
                        
                68.5B
             | 
                        
                0.3%
             | 
                    
                
                        | 
                Fidelity Series Emerging Markets Opportunities Fund
             | 
                        
                Jun 30, 2024
             | 
                        
                12.1M
             | 
                        
                37.8B
             | 
                        
                0.2%
             | 
                    
                
                        | 
                DFA Investment Dimensions-DFA Emerging Mkts Value
             | 
                        
                Apr 30, 2024
             | 
                        
                11.2M
             | 
                        
                32.7B
             | 
                        
                0.2%
             | 
                    
                
                        | 
                Delaware Group Global & International Funds-Emerging Markets Fd
             | 
                        
                May 31, 2024
             | 
                        
                10.5M
             | 
                        
                30.0B
             | 
                        
                0.2%
             | 
                    
                
                        | 
                New World Fund, Inc.
             | 
                        
                Jun 30, 2024
             | 
                        
                9.8M
             | 
                        
                30.8B
             | 
                        
                0.2%
             | 
                    
                
                        | 
                College Retirement Equities Fund-Stock Account
             | 
                        
                Mar 31, 2024
             | 
                        
                9.5M
             | 
                        
                28.3B
             | 
                        
                0.1%
             |