Class A Class A | ICE BofA U.S. All Capital Securities Index Class A | ICE BofA 1-3 Year U.S. Corporate Index Class A | Blended Benchmark Investment Type [Axis] Truist Financial Corp 6669 Series N [Member] Citigroup Inc 6875 Series G G [Member] U B S Group A G 6625 Switzerland [Member] Royal Bankof Canada 675due 82485brnbspnbspnbspnbspnbsp Canada [Member] Transcanada Trust 5875due 81576brnbspnbspnbspnbspnbsp Series 16 A Canada [Member] Enbridge Inc 825due 11584brnbspnbspnbspnbspnbsp Series N C 5 Canada [Member] H S B C Holdings P L C 705 United Kingdom [Member] Citigroup Inc 7625 Series A A [Member] B N P Paribas S A 800 France [Member] Emera Inc 675due 61576brnbspnbspnbspnbspnbsp Series 16 A Canada [Member] Banking [Member] Utilities [Member] Pipelines [Member] Insurance [Member] Real Estate [Member] Telecommunications [Member] Financial Services [Member] Health Care [Member] Consumer Discretionary Products [Member] Otherincludesshortterminvestments [Member] UNITED STATES CANADA UNITED KINGDOM FRANCE SWITZERLAND SPAIN JAPAN GERMANY NETHERLANDS Class C Class C | ICE BofA U.S. All Capital Securities Index Class C | ICE BofA 1-3 Year U.S. Corporate Index Class C | Blended Benchmark Class F Class F | ICE BofA U.S. All Capital Securities Index Class F | ICE BofA 1-3 Year U.S. Corporate Index Class F | Blended Benchmark Class I Class I | ICE BofA U.S. All Capital Securities Index Class I | ICE BofA 1-3 Year U.S. Corporate Index Class I | Blended Benchmark Class R Class R | ICE BofA U.S. All Capital Securities Index Class R | ICE BofA 1-3 Year U.S. Corporate Index Class R | Blended Benchmark Class Z Class Z | ICE BofA U.S. All Capital Securities Index Class Z | ICE BofA 1-3 Year U.S. Corporate Index Class Z | Blended Benchmark Net Assets Investment Company, Portfolio Turnover