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    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_VariableRateSeniorLoanInterestsMember"
      decimals="4"
      id="h_1ea85cd4_659f_4fad_9af1_5775e87e8db2"
      unitRef="pure">0.127</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_NRNotRatedMember"
      decimals="4"
      id="h_1fea3c37_1397_41b2_aa34_424e185c20e7"
      unitRef="pure">0.109</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_US"
      decimals="4"
      id="h_203179f1_3a3a_44de_9d24_5457e1c1404a"
      unitRef="pure">0.744</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_21eb73ca_46eb_4f19_9743_a384982b228c"
      unitRef="pure">0.270</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_SA"
      decimals="4"
      id="h_249499af_d173_4bf9_84dc_12244753c239"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_IL"
      decimals="4"
      id="h_283c301c_d0e5_4a60_abec_e75ae230a0a5"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_StandardPoorsARatingMember"
      decimals="4"
      id="h_2bd60d15_7b97_496f_8ca9_4b8c41748bf1"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_MX"
      decimals="4"
      id="h_2beecc6e_8a9c_4fa2_9155_332724dcd8c7"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_SovereignDebtMember"
      decimals="4"
      id="h_2c4527dd_7ff7_4b2d_a4d6_4cfee311668b"
      unitRef="pure">0.086</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_StandardPoorsARatingMember"
      decimals="4"
      id="h_2cb63a6d_8721_440d_9ca0_0e75be12359d"
      unitRef="pure">0.133</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_StandardPoorsARatingMember"
      decimals="4"
      id="h_2db48abc_6f99_448b_87db_8e985b51d85b"
      unitRef="pure">0.133</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_2ebef89b_6032_4665_9d1c_946613fc6085"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_2ed10b8a_fb2e_4239_8bf1_b22875256594"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_PreferredStockMember"
      decimals="4"
      id="h_2fffc821_42b7_4617_957f_1ff9c2a74274"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_CorporateBondSecuritiesMember"
      decimals="4"
      id="h_33bd0e45_a899_4749_924a_3ad428c02c2a"
      unitRef="pure">0.316</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_344e4430_a851_4630_b7c3_162695db483f"
      unitRef="pure">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_3611edf9_a3a5_4ff8_bea0_07c69742a981"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_TR"
      decimals="4"
      id="h_397b9a78_1460_4642_962d_039f97734812"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_MX"
      decimals="4"
      id="h_3bdfa52d_33b5_4876_9d48_9dcc6ee00805"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_CA"
      decimals="4"
      id="h_3c04836a_6db5_48c2_ad77_f428ba655b98"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_IL"
      decimals="4"
      id="h_3d732046_4c07_44fa_b1ad_1e370c7442de"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_BR"
      decimals="4"
      id="h_41b3b9b0_4a5f_4910_9801_4189bd9709ad"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_NANotApplicableMember"
      decimals="4"
      id="h_432133b6_5ad2_426e_ab23_425b12c5edd5"
      unitRef="pure">0.057</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_4569f7db_5ff4_46dc_90ab_0c933861a82e"
      unitRef="pure">0.275</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_StandardPoorsARatingMember"
      decimals="4"
      id="h_4b0f6665_0581_41fe_a578_4992e29ae610"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_SovereignDebtMember"
      decimals="4"
      id="h_4b253b03_203a_4492_bc43_cddd9dc67a4a"
      unitRef="pure">0.086</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_TR"
      decimals="4"
      id="h_4c9d3953_2ed8_4ec1_924f_9c4d6587a7a1"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_SovereignDebtMember"
      decimals="4"
      id="h_4d6d7086_66d0_4bf3_8498_0b6c3b6a30f3"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_4db210a5_92d2_4182_b844_34385a549684"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_4dcc6c04_ed0a_435e_ae01_174e5ea395e2"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_SovereignDebtMember"
      decimals="4"
      id="h_4e52fa1b_0a2e_4be5_975f_cfad69baa1cd"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_BBOrLowerMember"
      decimals="4"
      id="h_52944f9e_c77d_4d6d_8ed0_80e094adfc16"
      unitRef="pure">0.286</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_SA"
      decimals="4"
      id="h_55e03557_9f9d_45d9_905a_80febebbbeb8"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_567dd1f6_3821_4b56_a16c_d25ca072c291"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_56c6d83d_6a0e_4b2f_b3db_ccd16457f94d"
      unitRef="pure">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_CA"
      decimals="4"
      id="h_578e98b0_851f_4bf0_a274_d56e64114d19"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_USGovernmentCorporationsAndAgenciesSecuritiesMember"
      decimals="4"
      id="h_599440d6_5a3e_4552_881a_50eb5ffe6632"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_CommonStockMember"
      decimals="4"
      id="h_5ab920c3_4e50_410b_84eb_1544f5ec5432"
      unitRef="pure">0.000</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_GB"
      decimals="4"
      id="h_5b23d9bc_71a4_4079_ad1f_e54d50e8b51f"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_SovereignDebtMember"
      decimals="4"
      id="h_5bf240ad_416e_48ee_b0b6_e8973ddebb8a"
      unitRef="pure">0.086</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_US"
      decimals="4"
      id="h_5cea000b_ce01_4066_8aff_251942b5f703"
      unitRef="pure">0.744</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_CL"
      decimals="4"
      id="h_5d3de29c_9bb5_442e_b641_e7dd9db54791"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_StandardPoorsARatingMember"
      decimals="4"
      id="h_5d52b3e4_9c4c_4704_818f_1d3778902057"
      unitRef="pure">0.133</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_BBOrLowerMember"
      decimals="4"
      id="h_5ee4451e_c246_41e0_b119_e5e3b2e2b5c2"
      unitRef="pure">0.286</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_637fb85b_3730_44d3_a134_3c7934fd90ea"
      unitRef="pure">0.270</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_IL"
      decimals="4"
      id="h_63958d0c_9376_41fc_b53b_40ba8c502cc5"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_StandardPoorsAAARatingMember"
      decimals="4"
      id="h_6465f6c1_db50_4c7b_a4b7_9dfc61feb0e4"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_673e6a80_ab13_4237_a8d6_ad0ad16bca5a"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_CL"
      decimals="4"
      id="h_67ac573c_9c5b_42bc_81aa_c1e5e26d7e4a"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_MX"
      decimals="4"
      id="h_69206315_83e6_4507_8277_85ef3d0ac7f9"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_StandardPoorsAAARatingMember"
      decimals="4"
      id="h_69739f1d_9d6f_4f1f_a1cf_51a65e079750"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_6aa59a95_42eb_4324_bbbf_9520fdca6b54"
      unitRef="pure">0.275</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_SovereignDebtMember"
      decimals="4"
      id="h_6b23f041_67d8_45d1_993e_186ae6fd4f14"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_ZA"
      decimals="4"
      id="h_6f985bd6_91b0_4728_b4c7_fd286d5e3989"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_StandardPoorsAARatingMember"
      decimals="4"
      id="h_725b2759_ae95_42c0_a07c_4b3b2c183903"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_StandardPoorsAAARatingMember"
      decimals="4"
      id="h_72db1102_5bbf_4ca7_be5d_9b31430e6a23"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_ZA"
      decimals="4"
      id="h_73eaae14_5c50_4241_8720_d0f76a502328"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_VariableRateSeniorLoanInterestsMember"
      decimals="4"
      id="h_740c1166_6217_440b_9325_8f7d9da29673"
      unitRef="pure">0.127</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_7482c125_4292_46ef_bbb1_84adff9dbf20"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_CorporateBondSecuritiesMember"
      decimals="4"
      id="h_760accaf_9180_4659_815d_6ccd3e5e90e0"
      unitRef="pure">0.316</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_CA"
      decimals="4"
      id="h_79c3f580_d646_4a33_b112_ae43b4f215aa"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_7b436935_2212_4318_8d54_e4c7b1eb2d8a"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_US"
      decimals="4"
      id="h_7d71b98c_08dd_4d83_836b_79aaed8c8467"
      unitRef="pure">0.744</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_TR"
      decimals="4"
      id="h_80dc34ec_36e7_4b05_aa3c_45b8f79fd86c"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_81b4068f_ab09_41a7_80c7_32232051c92d"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_BBOrLowerMember"
      decimals="4"
      id="h_83921339_4bb0_4784_8382_e376406a7324"
      unitRef="pure">0.724</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_StandardPoorsAARatingMember"
      decimals="4"
      id="h_83992f46_f430_4236_9f1a_1e8b1e7ba74d"
      unitRef="pure">0.128</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_CommonStockMember"
      decimals="4"
      id="h_8486727c_010f_4649_9b1a_9e0a9c383ecb"
      unitRef="pure">0.000</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_85f0633c_b5da_4193_a8c7_b816e55702d0"
      unitRef="pure">0.270</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_85f9b0bb_b740_4a21_b98b_7abeb144178f"
      unitRef="pure">0.106</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_NRNotRatedMember"
      decimals="4"
      id="h_85ff0f12_7480_4f76_93c8_86c0e5bcbc2b"
      unitRef="pure">0.109</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015078Member_ExchangeTradedFundsMember"
      decimals="4"
      id="h_8916b9d8_853a_4f90_8ed5_8efbfb450b28"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_8c396902_5ad0_4295_8575_0d5546bf2536"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015076Member_CorporateBondSecuritiesMember"
      decimals="4"
      id="h_8f08990d_bc47_46aa_b46c_0b98aafe7c62"
      unitRef="pure">0.550</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_9071854a_3b17_4fbd_ab56_8ef3001f6899"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_IL"
      decimals="4"
      id="h_91eb0b66_94de_4910_969c_ad06fe5328c0"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_ExchangeTradedFundsMember"
      decimals="4"
      id="h_92033531_3479_4851_9880_a96c02f8f767"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_OtherMember"
      decimals="4"
      id="h_936baa55_7dc9_4f69_a005_6b99093a0e88"
      unitRef="pure">0.126</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015080Member_NANotApplicableMember"
      decimals="4"
      id="h_99dfe499_45c2_4180_a597_2ad7504465e1"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_CA"
      decimals="4"
      id="h_9b178938_e05a_40ee_a880_d9c581948027"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_9cb4d9e0_bc45_45f1_92f1_f348a746364b"
      unitRef="pure">0.275</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015185Member_StandardPoorsBBBRatingMember"
      decimals="4"
      id="h_9cfd0990_02c6_4ba3_875a_c61ec6d23202"
      unitRef="pure">0.270</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015187Member_ZA"
      decimals="4"
      id="h_9d501528_2ad3_40b1_83e4_7315168887d4"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000151934Member_NANotApplicableMember"
      decimals="4"
      id="h_9e543d14_8829_4abd_be56_56ecb98589e2"
      unitRef="pure">0.057</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260228_C000015189Member_VariableRateSeniorLoanInterestsMember"
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&lt;td style="width: 87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 3%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: ARIAL; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;p style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: ARIAL;"&gt;Fund net assets&lt;/p&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;$&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;364,856,428&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: ARIAL; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;p style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: ARIAL;"&gt;Total number of portfolio holdings&lt;/p&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;571&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: ARIAL; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;p style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: ARIAL;"&gt;Portfolio turnover (%)&lt;/p&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;31%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
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      decimals="INF"
      id="h_6_e1b08826_b53a_4679_19ff_d065e7866764"
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      decimals="INF"
      id="h_7_df4824df_7752_d3fb_fa1e_c9b46de7fe63"
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      id="h_5_cf0c1caf_f9a7_3a7a_0b59_123f8173ac3e"
      unitRef="pure">0.31</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20250829_20260228_C000015076Member"
      id="t_18_4c3f5f17_54b3_b8ce_79e3_edcb1bfd838d"> &lt;div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g77g01.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g02k02.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 7.8% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.&lt;/div&gt; </oef:HoldingsTableTextBlock>
    <oef:CreditRatingsSelectionTextBlock
      contextRef="D20250829_20260228_C000015076Member"
      id="t_17_0f0b82f9_7b87_3623_bcf5_c317627d94d1">The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.</oef:CreditRatingsSelectionTextBlock>
    <oef:FundName
      contextRef="D20250829_20260228_C000015078Member"
      id="t_13_0ea3b3e6_2ad0_2c1b_fae5_bd5059f7d055">Nuveen Credit Income Fund</oef:FundName>
    <oef:ClassName
      contextRef="D20250829_20260228_C000015078Member"
      id="t_14_675f9124_6e53_b72d_5766_e83d21d91202">Class&#160;C Shares</oef:ClassName>
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      contextRef="D20250829_20260228_C000015078Member"
      id="t_15_17898f98_d357_7097_06eb_14437056661d">FCSIX</dei:TradingSymbol>
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      contextRef="D20250829_20260228_C000015078Member"
      id="t_23_f3871902_d9ef_782f_aa65_7dfbe4df3d1e">This semi-annual&#160;shareholder report contains important information about the Class&#160;C Shares of the Nuveen Credit Income Fund&#160;for the period of&#160;September 1, 2025 to&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;February&#160;28, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20250829_20260228_C000015078Member"
      id="t_24_5261cf2d_e85f_8cd0_a308_d8b07832e295">semi-annual&#160;shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20250829_20260228_C000015078Member"
      id="t_25_308df998_d4ec_fa4e_92d4_8514899a46ad">You can find additional information at&lt;span style="white-space: nowrap;"&gt;https://www.nuveen.com/en-us/mutual-funds/prospectuses&lt;/span&gt;&lt;span style="font-weight: bold;"&gt;.&lt;/span&gt; You can also request this information by contacting us at &lt;span style="white-space: nowrap;"&gt;(800)&#160;257-8787.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20250829_20260228_C000015078Member"
      id="t_26_2c9c2a9a_98bd_9cc3_1731_6ef45ddf2216">https://www.nuveen.com/en-us/mutual-funds/prospectuses</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20250829_20260228_C000015078Member"
      id="t_27_d6856a27_978a_d801_c553_ba1c297c11d4">(800)&#160;257-8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20250829_20260228_C000015078Member"
      id="t_10_b2518a74_3d9c_4be9_97a3_42691eb944ce"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 31%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 34%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment&#x2002;&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Costs paid as a percentage of&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment*&#x2002;&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Class&#160;C Shares&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;$87&#x2002;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;1.71%&#x2002;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;* Annualized for period less than one year.&lt;/div&gt; </oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20250829_20260228_C000015078Member"
      decimals="INF"
      id="h_3_fabed627_9770_451e_a7b3_c92fd5e672b4"
      unitRef="USD">87</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000015078Member"
      decimals="4"
      id="h_4_52f88c3d_0402_45d5_98e2_fdc584d19f81"
      unitRef="pure">0.0171</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000015078Member"
      id="t_11_c21593b5_65c1_4a50_bb85_3a8d4a641a28"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 3%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Fund net assets&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;$&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;364,856,428&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Total number of portfolio holdings&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;571&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Portfolio turnover (%)&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;31%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
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      id="h_8_76405f6e_54f2_6301_dff5_f61693924c82"
      unitRef="USD">364856428</us-gaap:AssetsNet>
    <oef:HoldingsCount
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      decimals="INF"
      id="h_9_ef41f323_9051_e3e1_7e46_21e4f6862d61"
      unitRef="Holding">571</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20250829_20260228_C000015078Member"
      decimals="4"
      id="h_7_6981ce5f_ac31_3e09_2531_e5e6bd7a97c0"
      unitRef="pure">0.31</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20250829_20260228_C000015078Member"
      id="t_22_f710fe3a_72e2_00b3_aa18_b282ef461234"> &lt;div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g77g03.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g10e90.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 7.8% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.&lt;/div&gt; </oef:HoldingsTableTextBlock>
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      id="t_21_f95a1791_a6c2_409c_2868_4355368fea19">The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.</oef:CreditRatingsSelectionTextBlock>
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&lt;tr&gt; 
&lt;td style="width: 31%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 34%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment&#x2002;&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Costs paid as a percentage of&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment*&#x2002;&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Class&#160;I Shares&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;$36&#x2002;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;0.70%&#x2002;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;* Annualized for period less than one year.&lt;/div&gt; </oef:ExpensesTextBlock>
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      id="h_6_db77e628_e5cd_4132_b41d_3a76218d87d3"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
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      id="t_17_65bc6d1f_9b50_4d5a_9de7_3a010e364c60"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
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&lt;tr&gt; 
&lt;td style="width: 87%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 3%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Fund net assets&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;$&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;364,856,428&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Total number of portfolio holdings&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;571&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Portfolio turnover (%)&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;31%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
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      id="h_8_fd1cb7a6_4f7e_6133_fe65_1889f0c5ef4b"
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      id="h_9_f142c564_38b4_4a10_a535_64142ace3ce5"
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    <oef:HoldingsTableTextBlock
      contextRef="D20250829_20260228_C000015080Member"
      id="t_22_774bcf27_1a20_7681_55ab_3490f5103a43"> &lt;div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g77g05.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g67c63.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 7.8% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.&lt;/div&gt; </oef:HoldingsTableTextBlock>
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      contextRef="D20250829_20260228_C000015080Member"
      id="t_23_ab42c43e_2139_6dee_f7e7_6283bc91cbf8">The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.</oef:CreditRatingsSelectionTextBlock>
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      id="t_25_d7407327_405f_3d5a_bc58_5ce4d42827ef">Nuveen Strategic Income Fund</oef:FundName>
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      id="t_26_4dffd1a9_0763_0113_096a_7586ce82da88">Class&#160;A Shares</oef:ClassName>
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      id="t_33_0d4b2b05_0093_e0a6_a8b3_5e69631ad4ef">This semi-annual&#160;shareholder report contains important information about the Class&#160;A Shares of the Nuveen Strategic Income Fund&#160;for the period of&#160;September 1, 2025 to&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;February&#160;28, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20250829_20260228_C000015185Member"
      id="t_34_a2644fb3_46c0_fc46_2294_2e1579a2e588">semi-annual&#160;shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
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      contextRef="D20250829_20260228_C000015185Member"
      id="t_35_d85486d1_9abb_c061_9f6d_8db29fa65d8e">You can find additional information at&lt;span style="white-space: nowrap;"&gt;https://www.nuveen.com/en-us/mutual-funds/prospectuses&lt;/span&gt;&lt;span style="font-weight: bold;"&gt;.&lt;/span&gt; You can also request this information by contacting us at &lt;span style="white-space: nowrap;"&gt;(800)&#160;257-8787.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20250829_20260228_C000015185Member"
      id="t_36_fb692fb4_972f_3980_ca31_aa4cb867e4c9">https://www.nuveen.com/en-us/mutual-funds/prospectuses</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20250829_20260228_C000015185Member"
      id="t_37_ca820842_ee1c_3a4c_9a3a_e18efd8344e8">(800)&#160;257-8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20250829_20260228_C000015185Member"
      id="t_22_54ad5a95_9db6_4784_a23c_c9866414eaa8"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 31%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 34%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment&#x2002;&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Costs paid as a percentage of&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment*&#x2002;&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Class&#160;A Shares&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;$41&#x2002;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;0.80%&#x2002;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;* Annualized for period less than one year.&lt;/div&gt; </oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20250829_20260228_C000015185Member"
      decimals="INF"
      id="h_7_18592bd4_e3ad_4038_a9b0_e903eca9d738"
      unitRef="USD">41</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000015185Member"
      decimals="4"
      id="h_8_099785bf_ecc5_427c_b217_e9c79b08581e"
      unitRef="pure">0.0080</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000015185Member"
      id="t_23_5b9637e4_3afc_41b9_a3a8_7a4df7c1768c"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 86%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 2%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Fund net assets&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;$&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;1,359,904,229&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Total number of portfolio holdings&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;672&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Portfolio turnover (%)&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;54%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260228_C000015185Member"
      decimals="INF"
      id="h_12_1602e724_23ad_cb0f_2b0c_0e50a656a4e2"
      unitRef="USD">1359904229</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260228_C000015185Member"
      decimals="INF"
      id="h_13_abf7464d_773a_e46b_0d96_5e891eb69f38"
      unitRef="Holding">672</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20250829_20260228_C000015185Member"
      decimals="4"
      id="h_11_3a1930d3_701b_b498_a7ca_0b96c629b021"
      unitRef="pure">0.54</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20250829_20260228_C000015185Member"
      id="t_31_707e61b0_15d9_c59d_5619_2645736b2ed8"> &lt;div style="position: relative; float: left; width: 48%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g00k07.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g08k08.jpg"/&gt; &lt;/div&gt; &lt;div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&#160;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-right: 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g25k25.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 12.0% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.&lt;/div&gt; </oef:HoldingsTableTextBlock>
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      contextRef="D20250829_20260228_C000015185Member"
      id="t_32_a2da257b_8072_0b86_6dfe_e7dea4266015">The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.</oef:CreditRatingsSelectionTextBlock>
    <oef:FundName
      contextRef="D20250829_20260228_C000015187Member"
      id="t_31_ed086fd9_1853_cd7b_1938_84ed34dc1e91">Nuveen Strategic Income Fund </oef:FundName>
    <oef:ClassName
      contextRef="D20250829_20260228_C000015187Member"
      id="t_32_15170168_2fdc_29ee_9bb5_e7710ba69f6c">Class&#160;C Shares</oef:ClassName>
    <dei:TradingSymbol
      contextRef="D20250829_20260228_C000015187Member"
      id="t_33_6c2636d0_af1d_b4ee_f2db_2598e6ff87da">FCBCX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20250829_20260228_C000015187Member"
      id="t_34_0f97a416_ed34_a556_6638_86dff11bb3cd">This semi-annual&#160;shareholder report contains important information about the Class&#160;C Shares of the Nuveen Strategic Income Fund&#160;for the period of&#160;September 1, 2025 to&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;February&#160;28, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20250829_20260228_C000015187Member"
      id="t_35_560bebd1_6152_5f97_747f_a59adca5a5d2">semi-annual&#160;shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20250829_20260228_C000015187Member"
      id="t_25_20436a1c_5c0f_41ce_bc81_f2064eee4f1e">You can find additional information at &lt;span style="font-family: arial; font-size: 9pt; color: #0071ce;"&gt;https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses&lt;/span&gt;&lt;span style="font-family: arial;"&gt;. You can also request this information by contacting us at (800)&#160;257&#x2011;8787.&lt;/span&gt;</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20250829_20260228_C000015187Member"
      id="t_36_fc702934_a58b_8455_e29a_3446b8cca3f0">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20250829_20260228_C000015187Member"
      id="t_37_f49cfa89_c20e_a61c_68a4_59555b65fbd1">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20250829_20260228_C000015187Member"
      id="t_28_a80dffbb_9e67_4a44_ae20_baf3dca0d620"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom;"&gt;&lt;/td&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom;"&gt;&lt;/td&gt; 
&lt;td style="width: 32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment&#x2002;&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"&gt;&lt;span style="font-weight: bold;"&gt;Costs paid as a percentage of&lt;br/&gt;$10,000 investment*&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Class&#160;C Shares&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;$79&#x2002;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;1.55%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;* Annualized for period less than one year.&lt;/div&gt; </oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20250829_20260228_C000015187Member"
      decimals="INF"
      id="h_9_b9540b1b_8a9d_458c_bb7c_0fee5e7c459b"
      unitRef="USD">79</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20250829_20260228_C000015187Member"
      decimals="4"
      id="h_10_82f1196d_6df7_470b_b88c_43ba862fd494"
      unitRef="pure">0.0155</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20250829_20260228_C000015187Member"
      id="t_29_cb8c90e7_e074_47bc_b799_d4a076fd02cc"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 86%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Fund net assets&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;$1,359,904,229&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Total number of portfolio holdings&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;672&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Portfolio turnover (%)&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;54%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
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&lt;img alt="LOGO" src="g34353g1g00k10.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;&lt;div style="position: relative; float: left; margin-left: 3%; width: 49%; padding-right: 0%; padding-bottom: 8pt; overflow: visible; padding-top: 3pt;"&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g50f55.jpg"/&gt; &lt;/div&gt; &lt;div style="font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&#160;&lt;/div&gt; &lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g63p90.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;&lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 12.0% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;&lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies&lt;/div&gt;</oef:HoldingsTableTextBlock>
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      id="t_39_d10e5824_9a9c_fc5c_895b_343258d5a1b1">The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies</oef:CreditRatingsSelectionTextBlock>
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      contextRef="D20250829_20260228_C000151934Member"
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      id="t_34_34cbce9b_8dbf_4351_94ee_6ce7529abdbe"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 2%; font-size: 11pt; font-family: arial;"&gt;&lt;span style="color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt;What were the Fund costs for the last six months? &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: arial;"&gt;(based on a hypothetical $10,000 investment)&lt;/span&gt;&lt;span style="font-family: arial; color: #0071ce;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;  
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&lt;tr&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom;"&gt;&lt;/td&gt; 
&lt;td style="width: 33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom;"&gt;&lt;/td&gt; 
&lt;td style="width: 32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; vertical-align: bottom; text-align: right;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;Cost of a&#x2002;&lt;/div&gt; &lt;div style="margin-top: 0pt; margin-bottom: 1pt; font-size: 8pt; font-family: arial; font-weight: bold; text-align: right;"&gt;$10,000 investment&#x2002;&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; text-align: right;"&gt;&lt;span style="font-weight: bold;"&gt;Costs paid as a percentage of&lt;br/&gt;$10,000 investment*&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; padding-left: 8pt; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="border-left: 0.75pt solid #7fb8e6; border-top: 0.75pt solid #7fb8e6; border-right: 0.75pt solid #7fb8e6; height: 3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-left: 8pt; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Class&#160;R6 Shares&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;$24&#x2002;&lt;/td&gt; 
&lt;td style="border-left: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-right: 0.75pt solid #7fb8e6; border-bottom: 0.75pt solid #7fb8e6; padding-right: 2pt; vertical-align: bottom; white-space: nowrap; text-align: right;"&gt;0.47%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;* Annualized for period less than one year.&lt;/div&gt; </oef:ExpensesTextBlock>
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&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 8pt; width: 96%; border-spacing: 0px; margin: 0 auto;"&gt; 
&lt;tr&gt; 
&lt;td style="width: 86%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align: bottom; width: 2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
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&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Fund net assets&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;$1,359,904,229&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Total number of portfolio holdings&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;672&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size: 1pt;"&gt; 
&lt;td style="height: 3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height: 3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside: avoid; font-family: arial; font-size: 8pt;"&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; vertical-align: top;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.00em; text-indent: -1.00em; font-size: 8pt; font-family: arial;"&gt;Portfolio turnover (%)&lt;/div&gt; &lt;/td&gt; 
&lt;td style="border-bottom: 0.75pt solid #7fb8e6; vertical-align: bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom; text-align: right;"&gt;54%&lt;/td&gt; 
&lt;td style="padding-bottom: 3pt; border-bottom: 0.75pt solid #7fb8e6; white-space: nowrap; vertical-align: bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </oef:AddlFundStatisticsTextBlock>
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&lt;img alt="LOGO" src="g34353g1g00k16.jpg"/&gt; &lt;/div&gt;&lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g92k52.jpg"/&gt; &lt;/div&gt;&lt;div style="margin: 0pt 10pt 0pt 10pt;"&gt;
&lt;img alt="LOGO" src="g34353g1g86l80.jpg"/&gt; &lt;/div&gt;&lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 0pt 2% 0pt 2%;"&gt;(1) Includes 12.0% of $1,000 Par Preferred and/or Contingent Capital Securities.&lt;/div&gt;&lt;div style="font-size: 8pt; font-family: arial; text-align: justify; margin: 6pt 2% 0pt 2%;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies.&lt;/div&gt;</oef:HoldingsTableTextBlock>
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&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:33%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;"&gt;&lt;/td&gt; 
&lt;td style="width:32%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
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&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
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&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;text-align:right;"&gt;&lt;span style="font-weight:bold"&gt;Costs paid as a percentage of&lt;br/&gt; $10,000 investment*&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; padding-left:8pt;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; 
&lt;td colspan="2" style="BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-TOP:0.75pt solid #7fb8e6; BORDER-RIGHT:0.75pt solid #7fb8e6;height:3pt;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-left:8pt;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Class&#160;I Shares&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;$28&#x2002;&lt;/td&gt; 
&lt;td style=" BORDER-LEFT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-RIGHT:0.75pt solid #7fb8e6; BORDER-BOTTOM:0.75pt solid #7fb8e6; padding-right:2pt;vertical-align:bottom;white-space:nowrap;text-align:right;"&gt;0.55%&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;* Annualized for period less than one year.&lt;/div&gt;</oef:ExpensesTextBlock>
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      id="t_41_0c91b093_aae8_4a20_bb60_c00d7c646151">&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;font-size:11pt;font-family:arial;"&gt;&lt;span style="color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt;Fund Statistics &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:arial"&gt;(as of February&#160;28, 2026)&lt;/span&gt;&lt;span style="font-family:arial;color:#0071ce"&gt;&lt;span style="font-weight:bold"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:arial;font-size:8pt;width:96%;border-spacing:0px;margin:0 auto"&gt; 
&lt;tr&gt; 
&lt;td style="width:86%;"&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:1%;"&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td&gt;&lt;/td&gt; 
&lt;td style="vertical-align:bottom;width:2%;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Fund net assets&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;$1,359,904,229&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Total number of portfolio holdings&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;672&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="font-size:1pt"&gt; 
&lt;td style="height:3pt;"&gt;&lt;/td&gt; 
&lt;td colspan="4" style="height:3pt;"&gt;&lt;/td&gt; &lt;/tr&gt; 
&lt;tr style="page-break-inside:avoid;font-family:arial;font-size:8pt"&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:top;"&gt; &lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:1.00em;text-indent:-1.00em;font-size:8pt;font-family:arial;"&gt;Portfolio turnover (%)&lt;/div&gt;&lt;/td&gt; 
&lt;td style=" BORDER-BOTTOM:0.75pt solid #7fb8e6;vertical-align:bottom;"&gt;&#160;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;text-align:right;"&gt;54%&lt;/td&gt; 
&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
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&lt;img alt="LOGO" src="g34353g1g00k13.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g34353g1g54h45.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:10pt;margin-right:10pt;"&gt; 
&lt;img alt="LOGO" src="g34353g1g00l47.jpg"/&gt; &lt;/div&gt;&lt;div style="margin-top:0pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;(1) Includes 12.0% of $1,000 Par Preferred and/or Contingent Capital Securities. &lt;/div&gt;&lt;div style="margin-top:6pt;margin-bottom:0pt;margin-left:2%;margin-right:2%;font-size:8pt;font-family:arial;text-align:justify;"&gt;(2) The ratings disclosed are the highest rating given by one of the following national rating agencies: Standard&#160;&amp;amp; Poor&#x2019;s (S&amp;amp;P), Moody&#x2019;s Investors Service, Inc. (Moody&#x2019;s) or Fitch, Inc (Fitch). This treatment of split-rated securities may differ from that used for other purposes, such as for Fund investment policies. Credit ratings are subject to change. AAA, AA, A, and BBB are investment grade ratings; BB, B, CCC, CC, C and D are below-investment grade ratings. Holdings designated N/R are not rated by these national ratings agencies. &lt;/div&gt;</oef:HoldingsTableTextBlock>
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        <link:footnote id="f_0009_000005" xlink:label="f_0009_000005" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes 12.0% of $1,000 Par Preferred and/or Contingent Capital Securities.</link:footnote>
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