C000129315C000198747C000119004Bloomberg U.S. Aggregate Bond IndexBloomberg U.S. Aggregate Bond Index_30371Bloomberg U.S. Aggregate Bond IndexBloomberg U.S. Aggregate Bond Index_9Bloomberg U.S. Aggregate Bond IndexBloomberg U.S. Aggregate Bond Index_30370ICE BofA 6-Month U.S. Treasury Bill IndexICE BofA 6-Month U.S. Treasury Bill Index_30371ICE BofA 6-Month U.S. Treasury Bill IndexICE BofA 6-Month U.S. Treasury Bill Index_9ICE BofA 6-Month U.S. Treasury Bill IndexICE BofA 6-Month U.S. Treasury Bill Index_30370Investment Type [Axis]Corporate BondsAsset-Backed SecuritiesU.S. Treasury ObligationsForeign Agency ObligationsMunicipal BondsShort-Term SecuritiesLiabilities in Excess of Other Assets1-7 days8-14 days15-30 days31-60 days61-90 days91-120 days121-150 days>150 daysNo Trading Symbol [Flag]AssetsNetInvestmentCompanyPortfolioTurnover