C000016770C000016773C000016774C000016775DWS Index: Bloomberg U.S. Aggregate Bond IndexDWS Index: Bloomberg U.S. Aggregate Bond Index_18662DWS Index: Bloomberg U.S. Aggregate Bond IndexDWS Index: Bloomberg U.S. Aggregate Bond Index_18659DWS Index: Bloomberg U.S. Aggregate Bond IndexDWS Index: Bloomberg U.S. Aggregate Bond Index_18660DWS Index: Bloomberg U.S. Aggregate Bond IndexDWS Index: Bloomberg U.S. Aggregate Bond Index_18663Investment Type [Axis]AssetCorporate BondsAssetMortgage-Backed Securities Pass-ThroughsAssetAsset-BackedAssetCommercial Mortgage-Backed SecuritiesAssetCollateralized Mortgage ObligationsAssetGovernment & Agency ObligationsAssetWarrantsAsset Other Net LineAAAAAABBBBBBCCCNRNo Trading Symbol [Flag]AssetsNetInvestmentCompanyPortfolioTurnover