v3.26.1
Shareholder Report, Holdings (Details)
Mar. 31, 2026
C000017607 | U.S. Treasury Bill9264766  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000017607 | Novartis AG9264925  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000017607 | Roche Holding AG9264928  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017607 | HSBC Holdings PLC9264111  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000017607 | Equinor ASA9264643  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017607 | GSK PLC9264101  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017607 | ING Groep NV9264616  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017607 | Sanofi SA9265096  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017607 | BASF SE9264950  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017607 | Daimler Truck Holding AG9264960  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017607 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000017607 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000017607 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000017607 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000017607 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000017607 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000017607 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000017607 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000017607 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000017607 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000017607 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000017607 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000017606 | U.S. Treasury Bill9264766  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000017606 | Novartis AG9264925  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000017606 | Roche Holding AG9264928  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017606 | HSBC Holdings PLC9264111  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000017606 | Equinor ASA9264643  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017606 | GSK PLC9264101  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017606 | ING Groep NV9264616  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017606 | Sanofi SA9265096  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017606 | BASF SE9264950  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017606 | Daimler Truck Holding AG9264960  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017606 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000017606 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000017606 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000017606 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000017606 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000017606 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000017606 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000017606 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000017606 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000017606 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000017606 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000017606 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000147407 | U.S. Treasury Bill9264766  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000147407 | Novartis AG9264925  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000147407 | Roche Holding AG9264928  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000147407 | HSBC Holdings PLC9264111  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000147407 | Equinor ASA9264643  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000147407 | GSK PLC9264101  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000147407 | ING Groep NV9264616  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147407 | Sanofi SA9265096  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147407 | BASF SE9264950  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147407 | Daimler Truck Holding AG9264960  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147407 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000147407 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000147407 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000147407 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000147407 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000147407 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000147407 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000147407 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000147407 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000147407 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000147407 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000147407 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000017609 | Taiwan Semiconductor Manufacturing Co Ltd9247236  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000017609 | Samsung Electronics Co Ltd9248116  
Holdings [Line Items]  
Percent of Total Investments 4.50%
C000017609 | Tencent Holdings Ltd9248052  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000017609 | SK hynix Inc9248134  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000017609 | Alibaba Group Holding Ltd9247610  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000017609 | Taiwan Semiconductor Manufacturing Co Ltd9247325  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000017609 | Samsung Electronics Co Ltd9246953  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000017609 | Naspers Ltd9247387  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017609 | Delta Electronics Inc9247168  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017609 | Grupo Financiero Banorte SAB de CV9248154  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017609 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000017609 | Saudi Arabia  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000017609 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000017609 | United Arab Emirates  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000017609 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000017609 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000017609 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000017609 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000017609 | India  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000017609 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000017609 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000017609 | China  
Holdings [Line Items]  
Percent of Net Asset Value 22.70%
C000147409 | Taiwan Semiconductor Manufacturing Co Ltd9247236  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000147409 | Samsung Electronics Co Ltd9248116  
Holdings [Line Items]  
Percent of Total Investments 4.50%
C000147409 | Tencent Holdings Ltd9248052  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000147409 | SK hynix Inc9248134  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000147409 | Alibaba Group Holding Ltd9247610  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000147409 | Taiwan Semiconductor Manufacturing Co Ltd9247325  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000147409 | Samsung Electronics Co Ltd9246953  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000147409 | Naspers Ltd9247387  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000147409 | Delta Electronics Inc9247168  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147409 | Grupo Financiero Banorte SAB de CV9248154  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147409 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000147409 | Saudi Arabia  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000147409 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000147409 | United Arab Emirates  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000147409 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000147409 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000147409 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000147409 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000147409 | India  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000147409 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000147409 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000147409 | China  
Holdings [Line Items]  
Percent of Net Asset Value 22.70%
C000017608 | Japan Government Thirty Year Bond9265176  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000017608 | French Republic Government Bond9265187  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000017608 | German Federal Government Bond9265185  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000017608 | United Kingdom Gilt9265188  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000017608 | Spanish Government Bond9265186  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000017608 | U.S. Treasury Note9265177  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000017608 | Japan Government Two Year Bond9265175  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000017608 | U.S. Treasury Note9246314  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000017608 | U.S. Treasury Note9246311  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000017608 | Province of British Columbia Canada9246784  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000017608 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000017608 | Country_Supra-National  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000017608 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000017608 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000017608 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000017608 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000017608 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000017608 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000017608 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000017608 | China  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000017608 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000147408 | Japan Government Thirty Year Bond9265176  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000147408 | French Republic Government Bond9265187  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000147408 | German Federal Government Bond9265185  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000147408 | United Kingdom Gilt9265188  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000147408 | Spanish Government Bond9265186  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000147408 | U.S. Treasury Note9265177  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000147408 | Japan Government Two Year Bond9265175  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000147408 | U.S. Treasury Note9246314  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000147408 | U.S. Treasury Note9246311  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000147408 | Province of British Columbia Canada9246784  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000147408 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000147408 | Country_Supra-National  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000147408 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000147408 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000147408 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000147408 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000147408 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000147408 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000147408 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000147408 | China  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000147408 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000017610 | Republic of South Africa Government Bond9248537  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000017610 | Peru Government Bond9248587  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000017610 | Malaysia Government Bond9248657  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017610 | Petroleos Mexicanos9248869  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017610 | Mexican Bonos9248577  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Republic of South Africa Government Bond9248534  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Mexican Bonos9250314  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Republic of Poland Government Bond9248671  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Brazilian Government International Bond9248451  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Mexican Bonos9250311  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000017610 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000017610 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000017610 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000017610 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000017610 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000017610 | Nigeria  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000017610 | Peru  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000017610 | Turkey  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000017610 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000017610 | Colombia  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000017610 | Malaysia  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000147410 | Republic of South Africa Government Bond9248537  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000147410 | Peru Government Bond9248587  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000147410 | Malaysia Government Bond9248657  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147410 | Petroleos Mexicanos9248869  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147410 | Mexican Bonos9248577  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Republic of South Africa Government Bond9248534  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Mexican Bonos9250314  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Republic of Poland Government Bond9248671  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Brazilian Government International Bond9248451  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Mexican Bonos9250311  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Country_U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000147410 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000147410 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000147410 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000147410 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000147410 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000147410 | Nigeria  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000147410 | Peru  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000147410 | Turkey  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000147410 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000147410 | Colombia  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000147410 | Malaysia  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%