v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000055529 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 57.00% [1],[2]
C000055529 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [1],[3]
C000055529 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [1],[3]
C000055529 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.10% [1],[3]
C000055529 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.20% [1],[3]
C000055529 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.00% [1],[3]
C000055529 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 36.90% [1],[3]
C000055529 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40% [1],[3]
C000055529 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.70% [1],[3]
C000055529 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 6.30% [1]
C000055529 [Member] | POLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60% [1]
C000055529 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Total Investments 3.40% [1]
C000055529 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Total Investments 6.30% [1]
C000055529 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Total Investments 4.40% [1]
C000055529 [Member] | HUNGARY  
Holdings [Line Items]  
Percent of Total Investments 3.40% [1]
C000055529 [Member] | DOMINICAN REPUBLIC  
Holdings [Line Items]  
Percent of Total Investments 3.40% [1]
C000055529 [Member] | CHILE  
Holdings [Line Items]  
Percent of Total Investments 3.50% [1]
C000055529 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 3.90% [1]
C000055529 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Total Investments 4.80% [1]
C000069477 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.50% [4],[5]
C000069477 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [4],[6]
C000069477 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 29.30% [4],[6]
C000069477 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.60% [4],[6]
C000069477 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 24.40% [4],[6]
C000069477 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.00% [4],[6]
C000069477 [Member] | AUSTRIA  
Holdings [Line Items]  
Percent of Total Investments 4.60% [4]
C000069477 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.60% [4]
C000069477 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.60% [4]
C000069477 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.80% [4]
C000069477 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 6.90% [4]
C000069477 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 7.90% [4]
C000069477 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 11.40% [4]
C000069477 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 4.60% [4]
C000069477 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 5.30% [4]
C000069477 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 6.80% [4]
C000069478 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.50% [7],[8]
C000069478 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10% [7],[9]
C000069478 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.10% [7],[9]
C000069478 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.00% [7],[9]
C000069478 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.00% [7],[9]
C000069478 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.80% [7],[9]
C000069478 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.60% [7]
C000069478 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 10.30% [7]
C000069478 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.00% [7]
C000069478 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 8.40% [7]
C000069478 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 8.60% [7]
C000069478 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 4.60% [7]
C000069478 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 5.70% [7]
C000069478 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 5.10% [7]
C000069478 [Member] | ISRAEL  
Holdings [Line Items]  
Percent of Total Investments 4.60% [7]
C000069478 [Member] | BELGIUM  
Holdings [Line Items]  
Percent of Total Investments 4.60% [7]
C000102031 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 74.80% [10]
C000102031 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.20% [10]
C000102031 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [10],[11]
C000102031 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.00% [10],[11]
C000102031 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [10],[11]
C000102031 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30% [10],[11]
C000102031 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 43.90% [10],[11]
C000102031 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.50% [10],[11]
C000110079 [Member] | More than 40 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [12]
C000110079 [Member] | Thirty Five To 40 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80% [12]
C000110079 [Member] | Thirty To 35 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.70% [12]
C000110079 [Member] | Twenty Five To 30 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.10% [12]
C000110079 [Member] | Twenty To 25 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [12]
C000110079 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.00% [12]
C000110079 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [12]
C000110079 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [12]
C000110079 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 31.80% [12]
C000110079 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [12]
C000110079 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.60% [12],[13]
C000110079 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 49.40% [12],[13]
C000110079 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [12],[13]
C000110079 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 24.60% [12],[13]
C000110080 [Member] | Government National Mortgage Association 2 00 02 20 51 [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [14]
C000110080 [Member] | Government National Mortgage Association 5 50 10 20 55 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [14]
C000110080 [Member] | Government National Mortgage Association 2 00 12 20 51 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [14]
C000110080 [Member] | Government National Mortgage Association 5 00 05 20 53 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [14]
C000110080 [Member] | Government National Mortgage Association 5 00 05 20 56 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [14]
C000110080 [Member] | Government National Mortgage Association 5 00 11 20 54 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [14]
C000110080 [Member] | Government National Mortgage Association 5 50 04 20 53 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [14]
C000110080 [Member] | Government National Mortgage Association 2 50 07 20 51 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [14]
C000110080 [Member] | Government National Mortgage Association 2 00 02 20 52 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [14]
C000110080 [Member] | Government National Mortgage Association 4 50 05 20 56 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [14]
C000110080 [Member] | Thirty To 35 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.70% [14]
C000110080 [Member] | Twenty Five To 30 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 62.80% [14]
C000110080 [Member] | Twenty To 25 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.80% [14]
C000110080 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [14]
C000110080 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [14]
C000110080 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.20% [14]
C000110081 [Member] | AbbVie Inc 3 20 11 21 29 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Anheuser Busch Cos LLC Anheuser Busch InBev Worldwide Inc 4 70 02 01 36 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Pfizer Investment Enterprises Pte Ltd 5 30 05 19 53 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Amazon com Inc 5 80 03 13 56 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Meta Platforms Inc 4 88 11 15 35 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Meta Platforms Inc 5 63 11 15 55 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Broadcom Inc 3 14 11 15 35 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Anheuser Busch Cos LLC Anheuser Busch InBev Worldwide Inc 4 90 02 01 46 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [15]
C000110081 [Member] | Broadcom Inc 4 80 10 15 34 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [15]
C000110081 [Member] | Broadcom Inc 4 90 07 15 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [15]
C000110081 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 29.70% [15]
C000110081 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.70% [15]
C000110081 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80% [15]
C000110081 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.50% [15]
C000110081 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 36.30% [15]
C000119711 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [16],[17]
C000119711 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [16],[17]
C000119711 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.50% [16],[17]
C000119711 [Member] | Moody's, C Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [16],[17],[18]
C000119711 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [16],[17]
C000119711 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80% [16],[17]
C000119711 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [16],[17]
C000119711 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.60% [16],[17]
C000119711 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.40% [16],[17]
C000119711 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 57.80% [16],[17]
C000119711 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [17]
C000119711 [Member] | US Government Corporations and Agencies Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 55.90% [17]
C000119711 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [17],[18]
C000119711 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [17]
C000119711 [Member] | Foreign Government Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.60% [17]
C000119711 [Member] | Corporate Bonds And Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.90% [17]
C000119711 [Member] | Municipal Debt Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [17]
C000119711 [Member] | Floating Rate Loan Interests [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [17],[18]
C000131291 [Member] | Six To 7 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [19]
C000131291 [Member] | Five To 6 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [19]
C000131291 [Member] | Four To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 26.50% [19]
C000131291 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [19]
C000131291 [Member] | Three To 4 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 29.70% [19]
C000131291 [Member] | Two To 3 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 26.20% [19]
C000131291 [Member] | One To 2 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.30% [19]
C000131291 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [19],[20]
C000131291 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [19],[20]
C000131291 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.90% [19],[20]
C000131291 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.80% [19],[20]
C000131291 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 42.90% [19],[20]
C000131291 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [19],[20]
C000131292 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [21]
C000131292 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 83.00% [21]
C000131292 [Member] | Zero To 1 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.70% [21]
C000131292 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20% [21],[22]
C000131292 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [21],[22]
C000131292 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [21],[22]
C000131292 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 39.50% [21],[22]
C000131292 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 47.70% [21],[22]
C000131292 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50% [21],[22]
C000137225 [Member] | U S Treasury Notes 3 75 04 30 28 [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [23]
C000137225 [Member] | U S Treasury Notes 3 80 07 31 27 [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.90% [23]
C000137225 [Member] | U S Treasury Notes 3 74 01 31 28 [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.00% [23]
C000137225 [Member] | U S Treasury Notes 3 83 07 31 26 [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.20% [23]
C000137225 [Member] | U S Treasury Notes 3 74 01 31 27 [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.50% [23]
C000137225 [Member] | U S Treasury Notes 3 80 04 30 27 [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.60% [23]
C000137225 [Member] | U S Treasury Notes 3 83 10 31 27 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.10% [23]
C000137225 [Member] | U S Treasury Notes 3 85 10 31 26 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.40% [23]
C000137225 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 54.70% [23]
C000137225 [Member] | One To 2 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 45.30% [23]
C000153287 [Member] | Western Digital Corp 3 00 11 15 28 [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50% [24]
C000153287 [Member] | Alibaba Group Holding Ltd 0 50 06 01 31 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [24]
C000153287 [Member] | Lumentum Holdings Inc 0 38 03 15 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [24]
C000153287 [Member] | Lumentum Holdings Inc 0 50 06 15 28 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [24]
C000153287 [Member] | CoreWeave Inc 1 75 10 01 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [24]
C000153287 [Member] | CoreWeave Inc 1 75 12 01 31 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [24]
C000153287 [Member] | GameStop Corp 06 15 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [24]
C000153287 [Member] | Nebius Group NV 1 25 03 15 31 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [24]
C000153287 [Member] | Seagate HDD Cayman 3 50 06 01 28 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [24]
C000153287 [Member] | Bloom Energy Corp 11 15 30 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30% [24]
C000153287 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.70% [24]
C000153287 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80% [24]
C000153287 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 74.60% [24]
C000153287 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [24]
C000161648 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.50% [25],[26]
C000161648 [Member] | Supranational [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [25]
C000161648 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.10% [25]
C000161648 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 6.10% [25]
C000161648 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.50% [25]
C000161648 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.60% [25]
C000161648 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.60% [25]
C000161648 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 11.10% [25]
C000161648 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.20% [25]
C000161648 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.10% [25]
C000161648 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.30% [25]
C000161648 [Member] | Foreign Government Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 81.30% [25]
C000161648 [Member] | Corporate Bonds And Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.70% [25]
C000170245 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 38.80% [27]
C000170245 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [27]
C000170245 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [27]
C000170245 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [27]
C000170245 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 56.20% [27]
C000170245 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [27]
C000170245 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10% [27],[28]
C000170245 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [27],[28]
C000170245 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [27],[28]
C000170245 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.10% [27],[28]
C000170245 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 59.70% [27],[28]
C000170245 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [27],[28]
C000170247 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60% [29]
C000170247 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20% [29]
C000170247 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.60% [29]
C000170247 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 46.50% [29]
C000170247 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [29]
C000170247 [Member] | Fifteen To Twenty Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40% [29]
C000170247 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.70% [29],[30]
C000170247 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [29],[30]
C000170247 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80% [29],[30]
C000170247 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.80% [29],[30]
C000170247 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 66.40% [29],[30]
C000170247 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.30% [29],[30]
C000173141 [Member] | AbbVie Inc 2 95 11 21 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [31]
C000173141 [Member] | Microsoft Corp 2 40 08 08 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [31]
C000173141 [Member] | AerCap Ireland Capital DAC AerCap Global Aviation Trust 2 45 10 29 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00% [31]
C000173141 [Member] | Morgan Stanley 3 13 07 27 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90% [31]
C000173141 [Member] | Citigroup Inc 3 20 10 21 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90% [31]
C000173141 [Member] | Wells Fargo And Co 3 00 10 23 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [31]
C000173141 [Member] | Oracle Corp 2 65 07 15 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [31]
C000173141 [Member] | JPMorgan Chase And Co 2 95 10 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [31]
C000173141 [Member] | Goldman Sachs Group Inc The 3 50 11 16 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [31]
C000173141 [Member] | JPMorgan Chase Bank N A 5 11 12 08 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [31]
C000173141 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [32]
C000173141 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [32]
C000173141 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [32]
C000173141 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40% [32]
C000173141 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.80% [32]
C000173141 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.90% [32]
C000173141 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60% [32]
C000191091 [Member] | Wells Fargo And Co 4 30 07 22 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Alibaba Group Holding Ltd 3 40 12 06 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Meta Platforms Inc 3 50 08 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Oracle Corp 3 25 11 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Goldman Sachs Group Inc The 3 85 01 26 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Morgan Stanley 3 63 01 20 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [33]
C000191091 [Member] | Amazon com Inc 3 15 08 22 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [33]
C000191091 [Member] | Citigroup Inc 4 45 09 29 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [33]
C000191091 [Member] | Microsoft Corp 3 30 02 06 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [33]
C000191091 [Member] | T Mobile USA Inc 3 75 04 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [33]
C000191091 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [34]
C000191091 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [34]
C000191091 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [34]
C000191091 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.20% [34]
C000191091 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.80% [34]
C000191091 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90% [34]
C000191091 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [34]
C000194633 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 36.50% [35]
C000194633 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [35]
C000194633 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [35]
C000194633 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [35]
C000194633 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 58.90% [35]
C000194633 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [35]
C000194633 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [35],[36]
C000194633 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [35],[36]
C000194633 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40% [35],[36]
C000194633 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 39.70% [35],[36]
C000194633 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 45.20% [35],[36]
C000194633 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00% [35],[36]
C000196720 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.30% [37]
C000196720 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [37]
C000196720 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20% [37]
C000196720 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 28.40% [37]
C000196720 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.50% [37]
C000196720 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [37],[38]
C000196720 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [37],[38]
C000196720 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.40% [37],[38]
C000196720 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10% [37],[38]
C000196720 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.00% [37],[38]
C000196720 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [37],[38]
C000196720 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.90% [37],[38]
C000196720 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40% [37],[38]
C000196720 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 33.70% [37],[38]
C000204503 [Member] | CVS Health Corp 4 30 03 25 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90% [39]
C000204503 [Member] | Pfizer Investment Enterprises Pte Ltd 4 45 05 19 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [39]
C000204503 [Member] | Amgen Inc 5 15 03 02 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [39]
C000204503 [Member] | Cigna Group The 4 38 10 15 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [39]
C000204503 [Member] | AerCap Ireland Capital DAC AerCap Global Aviation Trust 3 00 10 29 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [39]
C000204503 [Member] | Salesforce Inc 4 50 03 15 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [39]
C000204503 [Member] | RTX Corp 4 13 11 16 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [39]
C000204503 [Member] | Morgan Stanley 3 59 07 22 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [39]
C000204503 [Member] | Comcast Corp 4 15 10 15 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [39]
C000204503 [Member] | Verizon Communications Inc 4 33 09 21 28 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [39]
C000204503 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [40]
C000204503 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [40]
C000204503 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [40]
C000204503 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.80% [40]
C000204503 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.70% [40]
C000204503 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20% [40]
C000204503 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [40]
C000204721 [Member] | Centene Corp 4 63 12 15 29 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [41]
C000204721 [Member] | American Airlines Inc AAdvantage Loyalty IP Ltd 5 75 04 20 29 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | Venture Global LNG Inc 9 50 02 01 29 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | Nexstar Media Inc 6 50 09 15 33 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | WULF Compute LLC 7 75 10 15 30 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | Asurion LLC Asurion Co Issuer Inc 8 00 12 31 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | SV RNO Property Owner 1 LLC 5 88 03 01 31 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40% [41]
C000204721 [Member] | Cloud Software Group Inc 6 50 03 31 29 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [41]
C000204721 [Member] | Quikrete Holdings Inc 6 38 03 01 32 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [41]
C000204721 [Member] | Meridian Arc Holdco LLC 6 25 04 30 31 [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [41]
C000204721 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 38.80% [41]
C000204721 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [41]
C000204721 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10% [41]
C000204721 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.10% [41]
C000204721 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 53.90% [41]
C000204721 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [41]
C000205645 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.90% [42]
C000205645 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [42]
C000205645 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [42]
C000205645 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.80% [42]
C000205645 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 39.60% [42]
C000205645 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50% [42]
C000205645 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.20% [42],[43]
C000205645 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70% [42],[43]
C000205645 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [42],[43]
C000205645 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.30% [42],[43]
C000205645 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.70% [42],[43]
C000205645 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.30% [42],[43]
C000214263 [Member] | AbbVie Inc 3 20 11 21 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00% [44]
C000214263 [Member] | Sumitomo Mitsui Financial Group Inc 3 04 07 16 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [44]
C000214263 [Member] | Amazon com Inc 4 00 03 13 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | Fiserv Inc 3 50 07 01 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | Anheuser Busch InBev Worldwide Inc 4 75 01 23 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | Oracle Corp 4 55 02 04 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | AT And T Inc 4 35 03 01 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | International Business Machines Corp 3 50 05 15 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [44]
C000214263 [Member] | Verizon Communications Inc 4 02 12 03 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [44]
C000214263 [Member] | Salesforce Inc 4 65 03 15 29 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [44]
C000214263 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [45]
C000214263 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [45]
C000214263 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [45]
C000214263 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.40% [45]
C000214263 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 37.20% [45]
C000214263 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40% [45]
C000214263 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [45]
C000219751 [Member] | T Mobile USA Inc 3 88 04 15 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20% [46]
C000219751 [Member] | Boeing Co The 5 15 05 01 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [46]
C000219751 [Member] | Deutsche Telekom International Finance BV 8 75 06 15 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [46]
C000219751 [Member] | Meta Platforms Inc 4 20 11 15 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [46]
C000219751 [Member] | British Telecommunications PLC 9 63 12 15 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [46]
C000219751 [Member] | Pacific Gas and Electric Co 4 55 07 01 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [46]
C000219751 [Member] | Pfizer Investment Enterprises Pte Ltd 4 65 05 19 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [46]
C000219751 [Member] | AT And T Inc 4 30 02 15 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [46]
C000219751 [Member] | Oracle Corp 2 95 04 01 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [46]
C000219751 [Member] | Amgen Inc 5 25 03 02 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [46]
C000219751 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [47]
C000219751 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [47]
C000219751 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [47]
C000219751 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.20% [47]
C000219751 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.00% [47]
C000219751 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60% [47]
C000219751 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [47]
C000222633 [Member] | SLM Corp 3 13 11 02 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [48]
C000222633 [Member] | Travel and Leisure Co 6 63 07 31 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [48]
C000222633 [Member] | Block Inc 2 75 06 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [48]
C000222633 [Member] | Sirius XM Radio LLC 3 13 09 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [48]
C000222633 [Member] | RLJ Lodging Trust 3 75 07 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [48]
C000222633 [Member] | Air Canada 3 88 08 15 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [48]
C000222633 [Member] | Buckeye Partners LP 3 95 12 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [48]
C000222633 [Member] | Rocket Mortgage LLC Rocket Mortgage Co Issuer Inc 2 88 10 15 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [48]
C000222633 [Member] | FMC Corp 3 20 10 01 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [48]
C000222633 [Member] | IQVIA Inc 5 00 10 15 26 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [48]
C000222633 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70% [49]
C000222633 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [49]
C000222633 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [49]
C000222633 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20% [49]
C000222633 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.90% [49]
C000222633 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40% [49]
C000222633 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30% [49]
C000222633 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20% [49]
C000228040 [Member] | Amazoncom Inc 4 25 03 13 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [50]
C000228040 [Member] | Oracle Corp 4 95 02 04 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [50]
C000228040 [Member] | Verizon Communications Inc 2 55 03 21 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [50]
C000228040 [Member] | Meta Platforms Inc 4 55 05 15 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [50]
C000228040 [Member] | Salesforce Inc 4 90 09 15 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [50]
C000228040 [Member] | Oracle Corp 2 88 03 25 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [50]
C000228040 [Member] | Orange SA 9 00 03 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [50]
C000228040 [Member] | Abbott Laboratories 4 00 03 15 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [50]
C000228040 [Member] | ATAndT Inc 2 75 06 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [50]
C000228040 [Member] | Amazoncom Inc 2 10 05 12 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [50]
C000228040 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [51]
C000228040 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [51]
C000228040 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [51]
C000228040 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 53.60% [51]
C000228040 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.40% [51]
C000228040 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80% [51]
C000228040 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [51]
C000228465 [Member] | Centene Corp 4 25 12 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [52]
C000228465 [Member] | Icahn Enterprises LP Icahn Enterprises Finance Corp 5 25 05 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [52]
C000228465 [Member] | SBA Communications Corp 3 88 02 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [52]
C000228465 [Member] | Sirius XM Radio LLC 5 00 08 01 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [52]
C000228465 [Member] | Tenet Healthcare Corp 5 13 11 01 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [52]
C000228465 [Member] | Directv Financing LLC Directv Financing Co Obligor Inc 5 88 08 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [52]
C000228465 [Member] | Rakuten Group Inc 11 25 02 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [52]
C000228465 [Member] | Nissan Motor Co Ltd 4 35 09 17 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [52]
C000228465 [Member] | SS And C Technologies Inc 5 50 09 30 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [52]
C000228465 [Member] | DISH Network Corp 11 75 11 15 27 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [52]
C000228465 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90% [53]
C000228465 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50% [53]
C000228465 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.80% [53]
C000228465 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 53.00% [53]
C000228465 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [53]
C000228465 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [53]
C000236812 [Member] | Fifteen To Twenty Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [54],[55]
C000236812 [Member] | Twenty To Twenty Five Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.70% [54],[55]
C000236812 [Member] | Twenty Five To Thirty Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 66.30% [54],[55]
C000236812 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000236812 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000236812 [Member] | Options Written [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000236812 [Member] | Other assets less liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.00%) [56]
C000236814 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 38.80% [57],[58]
C000236814 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [57],[58]
C000236814 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [57],[58]
C000236814 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 57.70% [57],[58]
C000236814 [Member] | Zero To 1 Year [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30% [57],[58]
C000236814 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000236814 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 100.20%
C000236814 [Member] | Options Written [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000236814 [Member] | Other assets less liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000236816 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [59],[60],[61]
C000236816 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [59],[60],[61]
C000236816 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [59],[60],[61]
C000236816 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 37.90% [59],[60],[61]
C000236816 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 47.60% [59],[60],[61]
C000236816 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.80% [59],[60],[61]
C000236816 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000236816 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000236816 [Member] | Options Written [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000236816 [Member] | Other assets less liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.00%) [62]
C000237776 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 61.30% [63],[64]
C000237776 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.00% [63],[65]
C000237776 [Member] | Moody's, Ca Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [63],[65]
C000237776 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.10% [63],[65]
C000237776 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [63],[65]
C000237776 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.70% [63],[65]
C000237776 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.00% [63],[65]
C000237776 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.40% [63],[65]
C000237776 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.10% [63],[65]
C000237776 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 5.50% [63]
C000237776 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Total Investments 4.90% [63]
C000237776 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Total Investments 3.40% [63]
C000237776 [Member] | CHILE  
Holdings [Line Items]  
Percent of Total Investments 3.30% [63]
C000237776 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 3.50% [63]
C000237776 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 5.20% [63]
C000237776 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Total Investments 3.70% [63]
C000237776 [Member] | UNITED ARAB EMIRATES  
Holdings [Line Items]  
Percent of Total Investments 3.40% [63]
C000237776 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 2.90% [63]
C000237776 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 2.90% [63]
C000247831 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30% [66],[67]
C000247831 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.60% [66],[67]
C000247831 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.30% [66],[67]
C000247831 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.20% [66],[67]
C000247831 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.60% [66],[67]
C000247831 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.10% [66],[67]
C000247831 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [66],[67]
C000247831 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.20% [66],[67]
C000247831 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.40% [66],[67]
C000247831 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.70% [66],[67]
C000247831 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [66],[67]
C000247831 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247831 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 102.20%
C000247831 [Member] | Options Written [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.40%)
C000247832 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [68],[69]
C000247832 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00% [68],[69]
C000247832 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50% [68],[69]
C000247832 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [68],[69]
C000247832 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.10% [68],[69]
C000247832 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.00% [68],[69]
C000247832 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.90% [68],[69]
C000247832 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.80% [68],[69]
C000247832 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 35.00% [68],[69]
C000247832 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [68],[69]
C000247832 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40% [68],[69]
C000247832 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247832 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 102.20%
C000247832 [Member] | Options Written [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.40%)
C000247832 [Member] | Other assets less liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.00%) [70]
C000249959 [Member] | SV RNO Property Owner 1 LLC 5 88 03 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [71]
C000249959 [Member] | Meridian Arc Holdco LLC 6 25 04 30 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50% [71]
C000249959 [Member] | Panther Escrow Issuer LLC 7 13 06 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50% [71]
C000249959 [Member] | CCO Holdings LLC CCO Holdings Capital Corp 4 25 02 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30% [71]
C000249959 [Member] | Carvana Co 9 00 06 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20% [71]
C000249959 [Member] | Allied Universal Holdco LLC 7 88 02 15 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20% [71]
C000249959 [Member] | UKG Inc 6 88 02 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [71]
C000249959 [Member] | Venture Global LNG Inc 8 38 06 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [71]
C000249959 [Member] | Windstream Services LLC Windstream Escrow Finance Corp 8 25 10 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [71]
C000249959 [Member] | Connect Holding II LLC 10 50 04 03 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [71]
C000249959 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [72]
C000249959 [Member] | Caa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70% [72]
C000249959 [Member] | B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 45.80% [72]
C000249959 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.80% [72]
C000249959 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00% [72]
C000249959 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [72]
C000249960 [Member] | Illinois Country [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000249960 [Member] | California Country [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000249960 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.60% [73]
C000249960 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20% [73]
C000249960 [Member] | Standard & Poor's, BBB+ Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10% [73]
C000249960 [Member] | Standard & Poor's, A- Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [73]
C000249960 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60% [73]
C000249960 [Member] | Standard & Poor's, A+ Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [73]
C000249960 [Member] | Standard & Poor's, AA- Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40% [73]
C000249960 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.80% [73]
C000249960 [Member] | Standard & Poor's, AA+ Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70% [73]
C000249960 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.10% [73]
C000249960 [Member] | WASHINGTON  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000249960 [Member] | TEXAS  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000249960 [Member] | OHIO  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000249960 [Member] | NORTH CAROLINA  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000249960 [Member] | NEW YORK  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000249960 [Member] | MARYLAND  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000249960 [Member] | FLORIDA  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000249960 [Member] | CONNECTICUT  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000249960 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10% [73]
C000249961 [Member] | Broadcom Inc 3 47 04 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00% [74]
C000249961 [Member] | AbbVie Inc 5 05 03 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00% [74]
C000249961 [Member] | ATAndT Inc 5 40 02 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90% [74]
C000249961 [Member] | Meta Platforms Inc 4 75 08 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [74]
C000249961 [Member] | Boeing Co The 6 53 05 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [74]
C000249961 [Member] | Bristol Myers Squibb Co 5 20 02 22 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [74]
C000249961 [Member] | Cisco Systems Inc 5 05 02 26 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80% [74]
C000249961 [Member] | Kroger Co The 5 00 09 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [74]
C000249961 [Member] | Citibank NA 5 57 04 30 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70% [74]
C000249961 [Member] | BP Capital Markets America Inc 5 23 11 17 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60% [74]
C000249961 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90% [75]
C000249961 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20% [75]
C000249961 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [75]
C000249961 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 55.70% [75]
C000249961 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.10% [75]
C000249961 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50% [75]
C000249961 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [75]
C000249962 [Member] | U S Treasury Inflation Indexed Bonds 1 75 01 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.60% [76]
C000249962 [Member] | U S Treasury Inflation Indexed Bonds 1 88 07 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.90% [76]
C000249962 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 99.50% [77]
C000249962 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50% [77]
C000250196 [Member] | U S Treasury Notes Bonds 4 38 05 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.00% [78]
C000250196 [Member] | U S Treasury Notes Bonds 4 25 11 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.80% [78]
C000250196 [Member] | U S Treasury Notes Bonds 4 00 02 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30% [78]
C000250196 [Member] | U S Treasury Notes Bonds 3 88 08 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.20% [78]
C000250196 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.30% [79]
C000250196 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [79]
C000250197 [Member] | U S Treasury Notes Bonds 3 38 05 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40% [80]
C000250197 [Member] | U S Treasury Notes Bonds 3 00 11 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60% [80]
C000250197 [Member] | U S Treasury Notes Bonds 3 63 02 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20% [80]
C000250197 [Member] | U S Treasury Notes Bonds 3 13 08 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10% [80]
C000250197 [Member] | U S Treasury Notes Bonds 4 13 08 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.70% [80]
C000250197 [Member] | U S Treasury Notes Bonds 4 50 02 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.50% [80]
C000250197 [Member] | U S Treasury Notes Bonds 4 63 11 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.80% [80]
C000250197 [Member] | U S Treasury Notes Bonds 4 63 05 15 44 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.80% [80]
C000250197 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.10% [81]
C000250197 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [81]
C000250199 [Member] | U S Treasury Notes Bonds 4 63 05 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.40% [82]
C000250199 [Member] | U S Treasury Notes Bonds 4 50 11 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.90% [82]
C000250199 [Member] | U S Treasury Notes Bonds 4 25 08 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.90% [82]
C000250199 [Member] | U S Treasury Notes Bonds 4 25 02 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.80% [82]
C000250199 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.00% [83]
C000250199 [Member] | Short Term and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [83]
C000265184 [Member] | Five To 10 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 43.20% [84]
C000265184 [Member] | Ten To 15 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50% [84]
C000265184 [Member] | Fifteen To 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [84]
C000265184 [Member] | More than 20 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [84]
C000265184 [Member] | One To 5 Years [Member]  
Holdings [Line Items]  
Percent of Total Investments 46.30% [84]
C000265184 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.30% [84],[85]
C000265184 [Member] | Moody's, Aaa Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [84],[85]
C000265184 [Member] | Ba [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [84],[85]
C000265184 [Member] | Baa [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.80% [84],[85]
C000265184 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.10% [84],[85]
C000265184 [Member] | Aa [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.70% [84],[85]
[1]
Excludes money market funds.
[2]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[3]
Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[4] Excludes money market funds.
[5] Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[6] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[7]
Excludes money market funds.
[8]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[9] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[10] Excludes money market funds.
[11] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[12] Excludes money market funds.
[13] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[14]
Excludes money market funds.
[15]
Excludes money market funds.
[16] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[17] Excludes money market funds.
[18]
Rounds to less than 0.1%.
[19]
Excludes money market funds.
[20] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[21] Excludes money market funds.
[22] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[23] Excludes money market funds.
[24]
Excludes money market funds.
[25]
Excludes money market funds.
[26]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[27] Excludes money market funds.
[28] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[29] Excludes money market funds.
[30] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[31] Excludes money market funds.
[32] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[33] Excludes money market funds.
[34] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[35]
Excludes money market funds.
[36] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[37] Excludes money market funds.
[38] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[39] Excludes money market funds.
[40] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[41]
Excludes money market funds.
[42] Excludes money market funds.
[43] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[44] Excludes money market funds.
[45] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[46]
Excludes money market funds.
[47]
Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[48] Excludes money market funds.
[49] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[50] Excludes money market funds.
[51] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[52] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[53] Excludes money market funds.
[54]
The underlying fund is iShares 20+ Year Treasury Bond ETF.
[55] Excludes money market funds.
[56]
Rounds to greater than (0.1)%.
[57] Excludes money market funds.
[58] The underlying fund is iShares iBoxx $ High Yield Corporate Bond ETF.
[59] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[60] Excludes money market funds.
[61] The underlying fund is iShares iBoxx $ Investment Grade Corporate Bond ETF.
[62] Rounds to greater than (0.1)%.
[63]
Excludes money market funds.
[64] Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[65] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[66]
Excludes money market funds.
[67]
The underlying fund is iShares Russell 2000 ETF.
[68] Excludes money market funds.
[69] The underlying fund is iShares Core S&P 500 ETF.
[70] Rounds to greater than (0.1)%.
[71] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[72] Excludes money market funds.
[73]
Credit quality ratings shown reflect the ratings assigned by S&P Global Ratings, a widely used independent, nationally recognized statistical rating organization. S&P credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of BBB or higher. Below investment grade ratings are credit ratings of BB or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[74]
Excludes money market funds.
[75]
Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[76] Excludes money market funds.
[77] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[78] Excludes money market funds.
[79] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[80] Excludes money market funds.
[81] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[82] Excludes money market funds.
[83] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.
[84] Excludes money market funds.
[85] Credit quality ratings shown reflect the ratings assigned by Moody’s Investors Service (“Moody’s”), a widely used independent, nationally recognized statistical rating organization. Moody’s credit ratings are opinions of the credit quality of individual obligations or of an issuer’s general creditworthiness. Investment grade ratings are credit ratings of Baa or higher. Below investment grade ratings are credit ratings of Ba or lower. Unrated investments do not necessarily indicate low credit quality. Credit quality ratings are subject to change.