v3.26.3
Shareholder Report, Holdings (Details)
Jul. 31, 2026
C000016333 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000016333 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000016333 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000016333 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000016333 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000016333 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000016333 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000016333 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016333 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016333 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016333 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016333 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016333 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016333 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000016333 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000016335 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000016335 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000016335 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000016335 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000016335 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000016335 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000016335 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000016335 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016335 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016335 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016335 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016335 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016335 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016335 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000016335 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000016334 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000016334 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000016334 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000016334 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000016334 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000016334 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000016334 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000016334 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016334 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016334 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016334 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016334 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016334 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016334 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000016334 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000016338 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000016338 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000016338 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000016338 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000016338 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000016338 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000016338 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000016338 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016338 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016338 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016338 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016338 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016338 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016338 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000016338 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000016332 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000016332 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000016332 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000016332 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000016332 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000016332 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000016332 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000016332 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016332 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016332 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016332 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016332 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016332 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016332 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000016332 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000189656 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000189656 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000189656 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000189656 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000189656 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000189656 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000189656 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000189656 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000189656 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000189656 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000189656 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000189656 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189656 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189656 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000189656 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000131621 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.40%
C000131621 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000131621 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000131621 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000131621 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000131621 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000131621 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000131621 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000131621 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000131621 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000131621 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000131621 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131621 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131621 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000131621 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.80%)
C000016325 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000016325 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000016325 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000016325 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000016325 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000016325 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000016325 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016325 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016325 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016325 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016325 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016325 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016325 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016325 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000016325 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000016325 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016325 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016327 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000016327 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000016327 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000016327 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000016327 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000016327 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000016327 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016327 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016327 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016327 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016327 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016327 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016327 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016327 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000016327 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000016327 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016327 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016326 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000016326 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000016326 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000016326 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000016326 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000016326 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000016326 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016326 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016326 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016326 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016326 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016326 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016326 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016326 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000016326 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000016326 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016326 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016330 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000016330 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000016330 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000016330 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000016330 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000016330 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000016330 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016330 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016330 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016330 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016330 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016330 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016330 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016330 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000016330 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000016330 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016330 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016331 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000016331 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000016331 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000016331 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000016331 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000016331 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000016331 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000016331 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016331 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016331 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000016331 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016331 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016331 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016331 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000016331 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000016331 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016331 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000189655 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000189655 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000189655 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000189655 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000189655 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000189655 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000189655 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000189655 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000189655 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000189655 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000189655 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000189655 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189655 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189655 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000189655 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000189655 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000189655 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000131620 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000131620 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000131620 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000131620 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000131620 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000131620 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000131620 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000131620 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000131620 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131620 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000131620 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000131620 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131620 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131620 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000131620 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (6.80%)
C000131620 [Member] | Convertible Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000131620 [Member] | Collateralized Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000016319 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000016319 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000016319 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000016319 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000016319 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000016319 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000016319 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016319 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016319 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016319 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016319 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016319 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016319 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016319 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000016319 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000016319 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016319 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016321 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000016321 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000016321 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000016321 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000016321 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000016321 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000016321 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016321 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016321 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016321 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016321 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016321 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016321 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016321 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000016321 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000016321 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016321 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016320 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000016320 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000016320 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000016320 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000016320 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000016320 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000016320 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016320 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016320 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016320 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016320 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016320 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016320 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016320 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000016320 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000016320 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016320 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016324 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000016324 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000016324 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000016324 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000016324 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000016324 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000016324 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016324 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016324 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016324 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016324 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016324 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016324 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016324 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000016324 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000016324 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016324 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016318 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000016318 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000016318 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000016318 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000016318 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000016318 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000016318 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000016318 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016318 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000016318 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016318 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016318 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000016318 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000016318 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000016318 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000016318 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000016318 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000189654 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000189654 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000189654 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000189654 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000189654 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000189654 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000189654 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000189654 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000189654 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000189654 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189654 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000189654 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000189654 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000189654 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000189654 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000189654 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000189654 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000131619 [Member] | Affiliated Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 58.50%
C000131619 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.90%
C000131619 [Member] | U.S. Treasury Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000131619 [Member] | U.S. Government Agency Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000131619 [Member] | Corporate Bonds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000131619 [Member] | Sovereign Governments and Agencies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000131619 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000131619 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131619 [Member] | Commercial Mortgage-Backed Security [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000131619 [Member] | Municipal Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131619 [Member] | Exchange-Traded Fund [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131619 [Member] | Preferred Stock [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131619 [Member] | Rights [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131619 [Member] | Short-Term Investment [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000131619 [Member] | Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (7.10%)
C000131619 [Member] | Convertible Preferred Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000131619 [Member] | Bank Loan Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%