v3.25.1
Shareholder Report, Holdings (Details)
Mar. 31, 2025
C000017607 | U.S. Treasury Bill8629264  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000017607 | Roche Holding AG8628190  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000017607 | SAP SE8628283  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000017607 | Alibaba Group Holding Ltd8628581  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | Equinor ASA8628856  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | ING Groep NV8628822  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | Sea Ltd8629253  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | Daimler Truck Holding AG8628229  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | Novartis AG8628188  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | GSK PLC8628486  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017607 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000017607 | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000017607 | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000017607 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000017607 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000017607 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000017607 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000017607 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000017607 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000017607 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000017607 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000017607 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000017606 | U.S. Treasury Bill8629264  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000017606 | Roche Holding AG8628190  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000017606 | SAP SE8628283  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000017606 | Alibaba Group Holding Ltd8628581  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | Equinor ASA8628856  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | ING Groep NV8628822  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | Sea Ltd8629253  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | Daimler Truck Holding AG8628229  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | Novartis AG8628188  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | GSK PLC8628486  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017606 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000017606 | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000017606 | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000017606 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000017606 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000017606 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000017606 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000017606 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000017606 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000017606 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000017606 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000017606 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000147407 | U.S. Treasury Bill8629264  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000147407 | Roche Holding AG8628190  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000147407 | SAP SE8628283  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000147407 | Alibaba Group Holding Ltd8628581  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | Equinor ASA8628856  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | ING Groep NV8628822  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | Sea Ltd8629253  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | Daimler Truck Holding AG8628229  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | Novartis AG8628188  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | GSK PLC8628486  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147407 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000147407 | Denmark  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000147407 | China  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000147407 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000147407 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000147407 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000147407 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000147407 | France  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000147407 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000147407 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000147407 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000147407 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000017609 | Taiwan Semiconductor Manufacturing Co Ltd8625747  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000017609 | Alibaba Group Holding Ltd8625202  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000017609 | Tencent Holdings Ltd8625294  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000017609 | Samsung Electronics Co Ltd8625522  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000017609 | Naspers Ltd8625838  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000017609 | Meituan8625269  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000017609 | HDFC Bank Ltd8625776  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000017609 | Emaar Properties PJSC8625034  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017609 | Kia Corp8625497  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000017609 | Itau Unibanco Holding SA8625787  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000017609 | China  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
C000017609 | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000017609 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000017609 | Hungary  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000017609 | United Arab Emirates  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000017609 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000017609 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000017609 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000017609 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000017609 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000017609 | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000017609 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000147409 | Taiwan Semiconductor Manufacturing Co Ltd8625747  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000147409 | Alibaba Group Holding Ltd8625202  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000147409 | Tencent Holdings Ltd8625294  
Holdings [Line Items]  
Percent of Total Investments 2.90%
C000147409 | Samsung Electronics Co Ltd8625522  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000147409 | Naspers Ltd8625838  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000147409 | Meituan8625269  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000147409 | HDFC Bank Ltd8625776  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000147409 | Emaar Properties PJSC8625034  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000147409 | Kia Corp8625497  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000147409 | Itau Unibanco Holding SA8625787  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000147409 | China  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
C000147409 | Thailand  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000147409 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000147409 | Hungary  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000147409 | United Arab Emirates  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000147409 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000147409 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000147409 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000147409 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000147409 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000147409 | India  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000147409 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000017608 | U.S. Treasury Bill8628109  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000017608 | Bank of China8628730  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000017608 | Japan Government Thirty Year Bond8628049  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000017608 | Kingdom of Belgium Government Bond8628130  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017608 | Colombian TES8628371  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017608 | China Government Bond8628177  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000017608 | Industrial & Commercial Bank of China8628739  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000017608 | European Union Bill8628728  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000017608 | Italy Buoni Poliennali Del Tesoro8628273  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000017608 | Japan Treasury Discount Bill8628073  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000017608 | China  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000017608 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000017608 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000017608 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000017608 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000017608 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000017608 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000017608 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000017608 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000017608 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000017608 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000017608 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000147408 | U.S. Treasury Bill8628109  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000147408 | Bank of China8628730  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000147408 | Japan Government Thirty Year Bond8628049  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000147408 | Kingdom of Belgium Government Bond8628130  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000147408 | Colombian TES8628371  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000147408 | China Government Bond8628177  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000147408 | Industrial & Commercial Bank of China8628739  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000147408 | European Union Bill8628728  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000147408 | Italy Buoni Poliennali Del Tesoro8628273  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000147408 | Japan Treasury Discount Bill8628073  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000147408 | China  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000147408 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000147408 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000147408 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000147408 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000147408 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000147408 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000147408 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000147408 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000147408 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000147408 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000147408 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000017610 | Indonesia Treasury Bond8629422  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000017610 | Mexican Bonos8629609  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017610 | Republic of South Africa Government Bond8629389  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017610 | Malaysia Government Bond8629465  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000017610 | Peru Government Bond8629610  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Petroleos Mexicanos8629281  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Mexican Bonos8629400  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Republic of South Africa Government Bond8629606  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Republic of South Africa Government Bond8629391  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Petroleos Mexicanos8629284  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000017610 | Country_Supra-National  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000017610 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000017610 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000017610 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000017610 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000017610 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000017610 | Egypt  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000017610 | Peru  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000017610 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000017610 | Turkey  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000017610 | Colombia  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000017610 | Malaysia  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000147410 | Indonesia Treasury Bond8629422  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000147410 | Mexican Bonos8629609  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147410 | Republic of South Africa Government Bond8629389  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147410 | Malaysia Government Bond8629465  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000147410 | Peru Government Bond8629610  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Petroleos Mexicanos8629281  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Mexican Bonos8629400  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Republic of South Africa Government Bond8629606  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Republic of South Africa Government Bond8629391  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Petroleos Mexicanos8629284  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000147410 | Country_Supra-National  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000147410 | Indonesia  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000147410 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000147410 | South Africa  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000147410 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000147410 | Romania  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000147410 | Egypt  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000147410 | Peru  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000147410 | Poland  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000147410 | Turkey  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000147410 | Colombia  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000147410 | Malaysia  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%