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      id="h_11a74087_b0da_469d_8a99_5748fe650ee4"
      unitRef="pure">0.103</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_MX"
      decimals="4"
      id="h_128b1e44_47c2_4950_9b08_7f8546b695a6"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_HK"
      decimals="4"
      id="h_193a206b_0e26_4373_810e_35786b05c61d"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_US"
      decimals="4"
      id="h_1eac49f0_1149_4220_998c_47e78fed2e2a"
      unitRef="pure">0.679</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000126484Member_CommonStockMember"
      decimals="4"
      id="h_237f6d91_4e90_4298_ba24_ea14a80e488c"
      unitRef="pure">0.984</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_CommonStockMember"
      decimals="4"
      id="h_242c5735_0e40_4e65_9245_b7ad099df07c"
      unitRef="pure">0.474</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000126484Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_29835d69_5f7f_4a45_9c19_42c4adc41ba5"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_GB"
      decimals="4"
      id="h_2ba1e233_5148_42db_a360_bd2a12ed476a"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000015149Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_2d3cb4bd_ae3c_43b3_a38e_7748566458a8"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_FR"
      decimals="4"
      id="h_2e15fb39_53ca_41e0_94e4_a28bb8b341d9"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_FR"
      decimals="4"
      id="h_301107ac_53b4_4e1d_a80a_cb06d5a2b56c"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_PreferredStockMember"
      decimals="4"
      id="h_31f42c3b_937f_4bb5_ac9b_8124c9378aa4"
      unitRef="pure">0.103</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_US"
      decimals="4"
      id="h_3205a7bb_5fef_482e_8707_8ce483e9b206"
      unitRef="pure">0.679</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_32478479_a25f_4c1f_9847_8010cc6ad94f"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_DE"
      decimals="4"
      id="h_3444b983_11bc_49dd_9bf3_c55221eba4e1"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_OtherMember"
      decimals="4"
      id="h_3ad7ae14_18e5_42ea_bb23_5dcd1da51a1f"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_ExchangeTradedFundsMember"
      decimals="4"
      id="h_3d36d869_6263_46fc_9044_0554c051b2ee"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_GB"
      decimals="4"
      id="h_3e84fd5c_cf89_4dc7_8e50_4e79cf672ef4"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_GB"
      decimals="4"
      id="h_3fb419a2_d812_45da_8f9b_c3fe3fa5c2bc"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_OtherMember"
      decimals="4"
      id="h_40933afb_52d4_47b1_84c9_694b9a27591c"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_VariableRateSeniorLoanInterestsMember"
      decimals="4"
      id="h_40a48a18_a0e6_4344_992a_eacd19fa17d8"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_PreferredStockMember"
      decimals="4"
      id="h_40be5785_6f2a_4327_85d5_0af5ddd55d46"
      unitRef="pure">0.103</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_SG"
      decimals="4"
      id="h_42c2983d_c7f6_4e12_b4d7_c453cb350888"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_IT"
      decimals="4"
      id="h_46ff863a_288e_4998_85f7_8e9b623137e4"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_CorporateBondSecuritiesMember"
      decimals="4"
      id="h_4937b8d5_272f_4075_ab93_fbc7526dea25"
      unitRef="pure">0.327</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_CA"
      decimals="4"
      id="h_4c17e79a_661b_4d97_96e9_cae2c356ad88"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_FR"
      decimals="4"
      id="h_4f82b145_268c_4d7d_b18e_3099dd2b3cfa"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_FR"
      decimals="4"
      id="h_530ab231_d6b7_41b4_b7ca_05ef0f87708b"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000015147Member_CommonStockMember"
      decimals="4"
      id="h_53b16a9e_298e_49e3_9b7c_76c4988a8aa3"
      unitRef="pure">0.984</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_540810a1_f510_4187_8f73_5d27a21a9028"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_549e3fc2_9e4a_46f3_b430_333c8513a0b4"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_NZ"
      decimals="4"
      id="h_55d37f41_b2b5_46ca_ba44_244c83ebb835"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_MX"
      decimals="4"
      id="h_5df688a8_aad6_45ac_9cf5_eb8c070811a5"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_AU"
      decimals="4"
      id="h_5ee4dd57_33c0_49c9_84c6_9120461326ff"
      unitRef="pure">0.047</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_US"
      decimals="4"
      id="h_5f9d643a_6608_4fc5_babe_c0ad330b8bff"
      unitRef="pure">0.564</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_US"
      decimals="4"
      id="h_611c418d_6823_4088_9fa3_b912b5e1d9ab"
      unitRef="pure">0.679</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_CA"
      decimals="4"
      id="h_6291265f_2d83_4e64_a6c7_ef4774a25b18"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_64b0a288_fc41_43e4_b961_128238fe9a5b"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_DE"
      decimals="4"
      id="h_64dd02a9_1918_4893_ab10_b64d182ed64d"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_GB"
      decimals="4"
      id="h_67fa08b8_f894_46d7_95e8_8618922e368b"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_MX"
      decimals="4"
      id="h_68a727fa_296e_4439_a057_68f64d3fdabb"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_CA"
      decimals="4"
      id="h_68f7e8ae_8841_4175_a3cd_de8725aacd6b"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_ConvertiblePreferredSecuritiesMember"
      decimals="4"
      id="h_6c0fb23e_0ca4_42f4_836f_084cae55076d"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_HK"
      decimals="4"
      id="h_6e9841e0_0a94_49fe_8f7a_73e727ee61cd"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_6faf6e8a_fb30_4883_8126_ae0f7675fcce"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_US"
      decimals="4"
      id="h_71626ab2_ff94_404d_a9d1_76563ea6ac64"
      unitRef="pure">0.564</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000015151Member_CommonStockMember"
      decimals="4"
      id="h_72f37091_6421_47f8_acf0_aa7345562acc"
      unitRef="pure">0.984</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_ConvertiblePreferredSecuritiesMember"
      decimals="4"
      id="h_755735bd_4845_4c45_a33f_c184ae9f7e9f"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_MortgageBackedSecuritiesMember"
      decimals="4"
      id="h_78e8ba11_cbfe_4e51_9099_b7e154d43598"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000015147Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_79d58d6d_a500_4144_a544_5c6e52211012"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_7b40b708_65d5_4732_afaa_d82036bfc5de"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_NZ"
      decimals="4"
      id="h_7e447021_7d68_4370_81b0_6cd059166a71"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_US"
      decimals="4"
      id="h_7f9158b4_36e5_4019_8b0c_e9001d9e2c6e"
      unitRef="pure">0.564</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_CommonStockMember"
      decimals="4"
      id="h_814e689d_d1bb_49a6_91ca_7699e23aa90d"
      unitRef="pure">0.977</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_VariableRateSeniorLoanInterestsMember"
      decimals="4"
      id="h_82b908b9_43a6_4bd3_960c_5a2e0bf614c9"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_OtherMember"
      decimals="4"
      id="h_8481acfa_9cf9_47fe_b454_fab28633f5c4"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_AU"
      decimals="4"
      id="h_85af781a_50fb_4be8_9a0e_a6454817ad7f"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_IT"
      decimals="4"
      id="h_8641b1d5_4983_427f_b9d0_cb2e7b86e7a3"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_MX"
      decimals="4"
      id="h_864e11f5_6729_4566_98e8_6f48a2b647db"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_MX"
      decimals="4"
      id="h_8893f431_cf3c_4990_ac8e_0f87f8cea75a"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_DE"
      decimals="4"
      id="h_8db61c9b_3611_4e28_a00e_91e27e20426e"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_GB"
      decimals="4"
      id="h_926380ed_ec76_4b82_9db9_b374fa8da152"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_958de1e8_e436_42ea_9df2_1aea6b30c949"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_CommonStockMember"
      decimals="4"
      id="h_9e50f7fb_d5ea_44e4_9267_9056223fb29f"
      unitRef="pure">0.977</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_9e744b2a_88e8_4b13_9cca_a321e6f08504"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_CorporateBondSecuritiesMember"
      decimals="4"
      id="h_9eeedaf0_e9e8_48ad_87a5_84032f6b7c99"
      unitRef="pure">0.327</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_MX"
      decimals="4"
      id="h_a0eced05_2ddd_4809_80dd_852c745aa82e"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_a33aef40_e868_474a_8c5f_fdd941ee4a0b"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_a3b7f244_9f51_4a53_87eb_011f71f13aeb"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_CA"
      decimals="4"
      id="h_a49ed5ed_1e9a_46ad_87d5_a7bc79f088bd"
      unitRef="pure">0.105</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_InvestmentsPurchasedWithCollateralFromSecuritiesLendingMember"
      decimals="4"
      id="h_a929f694_21d7_4157_94c1_26c30c88df3a"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_CommonStockMember"
      decimals="4"
      id="h_adc898b4_3826_48c8_a678_878a7d935749"
      unitRef="pure">0.977</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_ExchangeTradedFundsMember"
      decimals="4"
      id="h_ae47b6f4_c0f9_4826_9f64_c0ab04c419fc"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_OtherMember"
      decimals="4"
      id="h_b22d4983_abb2_4d62_afc8_08ef6fbfcb23"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000056118Member_ES"
      decimals="4"
      id="h_b3a2e24c_8e43_4c2b_b79e_3a18c6bcac76"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000070757Member_IT"
      decimals="4"
      id="h_b564f5d3_6a65_4878_a5de_4f57e3e55847"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_InvestmentCompaniesMember"
      decimals="4"
      id="h_b77d7e11_6dd3_4cbf_8293_f48dc7090ab8"
      unitRef="pure">0.007</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_AssetBackedSecuritiesMember"
      decimals="4"
      id="h_b8071326_4df1_4668_b91e_a4de0cf286bb"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_VariableRateSeniorLoanInterestsMember"
      decimals="4"
      id="h_bab541f5_cdab_4c66_ae1f_73991cf1e12c"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_OtherMember"
      decimals="4"
      id="h_be56f263_e07b_4558_855c_1b62d25de15b"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104368Member_FR"
      decimals="4"
      id="h_bf17942c_b7ce_4bf4_b29c_7f325fa88109"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171406Member_NZ"
      decimals="4"
      id="h_bfac9f58_300d_469e_9db0_30d432c2d9e5"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_GB"
      decimals="4"
      id="h_c0bbb98a_2e3e_49cc_9ed0_ba46df9d18a9"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000171407Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_c44eeadd_90f3_4e27_a796_2f2e1c444bd9"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250630_C000104365Member_JP"
      decimals="4"
      id="h_c56206c2_62cf_4779_9e96_c95519d1f35e"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
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&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;$65&#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;1.21%&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_10_676b2a26_773a_50e7_b6fe_a2effd60e9c7">&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 June&#160;30, 2025)&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: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;$481,189,828&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;88&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;50%&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="t_11_32973372_2c9a_614a_5f15_d0215a55e204">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g00a00.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;text-align:justify;"&gt;&#x2003;
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      id="t_2_fa3225d8_a924_2065_a6d9_c5f1d30d2d2e">Class&#160;C Shares</oef:ClassName>
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      id="t_5_eb85bc5f_ce8d_6c38_8b22_63a4662e6fa7">This semi-annual&#160;shareholder report contains important information about the Class&#160;C Shares of the Nuveen Global Infrastructure Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_6_ee607197_32f0_0f8f_1d79_37933686cc60">You can find additional information at https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      id="t_7_1bf6289d_8ce4_2a71_789a_6a4fb8830b45">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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      id="t_8_bf8b5d21_59d6_8264_48cb_5a4dc459c624">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20241231_20250630_C000070757Member"
      id="t_9_924518d5_6468_3ed1_5d96_40e52062d111">&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;$104&#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;1.96%&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="h_4_6c4bdccc_62d4_439c_b1ee_1ed8b9caee1a"
      unitRef="pure">0.0196</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241231_20250630_C000070757Member"
      id="t_10_4d6f8c19_d97f_b820_82b2_6e0aec467a4f">&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 June&#160;30, 2025)&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: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;$481,189,828&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;88&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;50%&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="g97393g1g30l13.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;text-align:justify;"&gt;&#x2003;
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      id="t_5_cf86d6fc_0b36_e451_f4bd_1618da8c4318">This semi-annual&#160;shareholder report contains important information about the Class&#160;R6 Shares of the Nuveen Global Infrastructure Fund&#160;for the period of January&#160;1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_6_551c3835_3ae7_57e0_9822_e7dcec9e7c75">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      id="t_9_0b45946e_72d6_b748_5fc5_e9acc9d0c6f4">&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;
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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;
&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;
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&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;
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&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;
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&lt;tr&gt;
&lt;td style="width:87%;"&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;
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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;$481,189,828&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;88&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;
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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;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;50%&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_9_212023af_0d21_c31e_fef5_55393521e9a3"
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&lt;img alt="LOGO" src="g97393g1g17g42.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;"&gt;&#x2003;
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      id="t_1_b8664128_6159_902a_621f_2f79d438c53c">Nuveen Global Infrastructure Fund</oef:FundName>
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      id="t_2_988f5137_8c0c_ba74_cc4b_13e5df71bcf9">Class&#160;I Shares</oef:ClassName>
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      contextRef="D20241231_20250630_C000056119Member"
      id="t_5_6f652db7_028a_e9ac_e5de_4bafa325b2dc">This semi-annual&#160;shareholder report contains important information about the Class&#160;I Shares of the Nuveen Global Infrastructure Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20241231_20250630_C000056119Member"
      id="t_6_1e9d7bca_af25_77d0_ef4e_88e3008aed65">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      contextRef="D20241231_20250630_C000056119Member"
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      contextRef="D20241231_20250630_C000056119Member"
      id="t_8_01244601_6b64_74cf_53ad_2491968acacc">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
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      contextRef="D20241231_20250630_C000056119Member"
      id="t_9_aba6dac1_a0f6_c00a_622e_d4da0909ecb7">&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;
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&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;
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&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;$51&#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;0.96%&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_10_d71fa3a0_05eb_2279_ce75_f81e5b86264f">&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 June&#160;30, 2025)&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: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;$481,189,828&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;88&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;50%&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_11_bd45ee65_5631_a3c9_4f47_6911bb002338"
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      id="t_11_f03733cc_9f42_d3e0_fbe7_738bef7a3a15">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g48p62.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;text-align:justify;"&gt;&#x2003;
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      id="t_1_a0a9c255_71e6_4124_92b3_21725ee49961">Nuveen Real Asset Income Fund</oef:FundName>
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      id="t_2_774a294e_abb3_01e5_0adf_f59fed4b4e0a">Class&#160;A Shares</oef:ClassName>
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      contextRef="D20241231_20250630_C000104365Member"
      id="t_5_9ea77e8a_2975_7ca4_105b_70ba18846033">This semi-annual&#160;shareholder report contains important information about the Class&#160;A Shares of the Nuveen Real Asset Income Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20241231_20250630_C000104365Member"
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      id="t_6_6609974b_ad0d_ccaf_c3ad_c7fcb8dc68aa">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241231_20250630_C000104365Member"
      id="t_7_e8cfe56d_b7f4_3a95_5d8b_b80187eeca84">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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      contextRef="D20241231_20250630_C000104365Member"
      id="t_8_4809a4e1_3335_e03f_3848_15c1af35730b">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
      contextRef="D20241231_20250630_C000104365Member"
      id="t_9_597ff45c_1d0d_ebc3_c6c0_4d65856ac1d0">&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;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;$60&#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;1.16%&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>
    <oef:ExpensesPaidAmt
      contextRef="D20241231_20250630_C000104365Member"
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      decimals="4"
      id="h_10_3b51359c_5188_46e3_8d6c_310434fca03c"
      unitRef="pure">0.0116</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241231_20250630_C000104365Member"
      id="t_10_22f126ad_72e5_5e59_0165_a8da8c889519">&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 June&#160;30, 2025)&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;$1,114,682,373&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;458&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;36%&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_12_814aa16d_a769_5aee_637e_7d5d5d10690d"
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      id="h_13_0f25c2c4_4534_07aa_ab3e_4e3b897d804f"
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      id="t_11_b023b57a_5251_1ef6_ffd2_18ae0419e869">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g01u09.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;"&gt;&#x2003;
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      id="t_9_eaa2e394_ca92_1fa4_fa13_f835a53a6a2b">&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;
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&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;$99&#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;1.91%&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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&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;$1,114,682,373&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;458&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;
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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;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;36%&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="t_11_885a17a8_3251_7cc4_9c41_1faf49291704">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g94w75.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;text-align:justify;"&gt;&#x2003;
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      id="t_2_6f24e68d_e32b_7acc_65e6_f76da98677f3">Class&#160;R6 Shares</oef:ClassName>
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      contextRef="D20241231_20250630_C000171407Member"
      id="t_5_213e90dd_c4b3_801d_9194_99e69431c0e9">This semi-annual&#160;shareholder report contains important information about the Class&#160;R6 Shares of the Nuveen Real Asset Income Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20241231_20250630_C000171407Member"
      id="t_6_d069284b_bd0a_888a_3033_cb5e1ccad6be">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241231_20250630_C000171407Member"
      id="t_7_15ad985b_44b5_22a8_aa96_3a7510be3c63">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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      contextRef="D20241231_20250630_C000171407Member"
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    <oef:ExpensesTextBlock
      contextRef="D20241231_20250630_C000171407Member"
      id="t_9_e8b140e7_c330_2ae9_ec03_4da30d50b42e">&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;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;$42&#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;0.81%&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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&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;$1,114,682,373&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;458&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;36%&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="t_11_c4b407c0_a968_612e_9bf1_f0e08f07b7ca">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g41g56.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;text-align:justify;"&gt;&#x2003;
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      id="t_1_a72fdac6_4067_8954_f443_f019d4d0d198">Nuveen Real Asset Income Fund</oef:FundName>
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      id="t_2_75bbef04_394c_736e_eeca_9225f101a0ce">Class&#160;I Shares</oef:ClassName>
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      id="t_5_54c1b0a5_922d_cf55_ba01_22b6b492a8f7">This semi-annual&#160;shareholder report contains important information about the Class&#160;I Shares of the Nuveen Real Asset Income Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20241231_20250630_C000104368Member"
      id="t_6_170fcc7e_25fa_d660_70f1_1ad01d3dfd01">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses&lt;span style="font-weight:bold"&gt;.&lt;/span&gt; You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      id="t_8_78bae596_4d28_599b_9683_177492521f1a">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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    <oef:ExpensesTextBlock
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      id="t_9_d6e91f7d_cdbd_471a_a10d_7cac81d87c3a">&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;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;$47&#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;0.91%&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="h_16_4995442a_3c17_4cce_934f_3dc8a588e149"
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      id="t_10_6252ca78_ee57_18bc_cacf_7bf4abca5853">&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 June&#160;30, 2025)&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;$1,114,682,373&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;458&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;36%&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="g97393g1g19i66.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;text-align:justify;"&gt;&#x2003;
&lt;img alt="LOGO" src="g97393g1g39o65.jpg"/&gt; &lt;/div&gt; &lt;/div&gt;</oef:HoldingsTableTextBlock>
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      contextRef="D20241231_20250630_C000015147Member"
      id="t_5_ec46b056_1401_d695_5326_573599167c95">This semi-annual&#160;shareholder report contains important information about the Class&#160;A Shares of the Nuveen Real Estate Securities Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_9_f6e69db2_5829_b33d_c28b_020e1be3f351">&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;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;$59&#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;1.18%&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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&lt;tr&gt;
&lt;td style="width:87%;"&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;$908,145,761&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;67&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;
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&lt;td style="height:3pt;"&gt;&lt;/td&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;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;33%&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="t_11_05c6404f_40de_a400_809a_02c681e46e42">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
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      id="t_5_331a7371_b5ff_121b_3207_cf0631decc89">This semi-annual&#160;shareholder report contains important information about the Class&#160;C Shares of the Nuveen Real Estate Securities Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_6_6d9d8b48_d2f4_8e4a_e8a0_f555afad6f40">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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    <oef:ExpensesTextBlock
      contextRef="D20241231_20250630_C000015149Member"
      id="t_9_a540af7a_e0ff_90bb_112c_97eb1f5a7b2c">&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;
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&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;$96&#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;1.93%&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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&lt;tr&gt;
&lt;td style="width:87%;"&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;$908,145,761&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;67&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;33%&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="t_11_7fdbb6f1_5f22_8327_1716_c9a8075b59bf">&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-top:0pt;margin-bottom:0pt;"&gt;&#x2003;
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      id="t_1_25ee5a8e_672e_9e9a_e22a_4b87e27e97b3">Nuveen Real Estate Securities Fund</oef:FundName>
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      id="t_2_41c0c174_9556_ac93_b150_e314f024d0c5">Class&#160;R6 Shares</oef:ClassName>
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      contextRef="D20241231_20250630_C000126484Member"
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    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241231_20250630_C000126484Member"
      id="t_5_8ed53000_0f1f_ed46_5aca_49e5c54ef73f">This semi-annual&#160;shareholder report contains important information about the Class&#160;R6 Shares of the Nuveen Real Estate Securities Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20241231_20250630_C000126484Member"
      id="t_6_ff3a511b_db4a_be85_7a90_490142a3e11c">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      id="t_8_9be9f63a_99c1_fc74_9b9a_4029a3f9623e">https://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses</oef:AddlInfoWebsite>
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      id="t_7_bb305612_5e4c_cd64_ef3c_af0e2dbe6651">(800)&#160;257&#x2011;8787</oef:AddlInfoPhoneNumber>
    <oef:ExpensesTextBlock
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      id="t_9_4ace5edc_fba5_8428_3627_d4209cf260d5">&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;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;$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;0.71%&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="h_22_7d59c355_fe65_44c1_a3b7_36e75460a9be"
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      contextRef="D20241231_20250630_C000126484Member"
      id="t_10_e7613814_6691_4088_6e88_3b0d2f161fc3">&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 June&#160;30, 2025)&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: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;$908,145,761&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;67&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;33%&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="t_1_9ea73380_7e55_2a90_a5e8_16535d9b98a6">Nuveen Real Estate Securities Fund</oef:FundName>
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      id="t_2_bcd5a48c_698d_a5cf_af32_3450c1e0ada9">Class&#160;I Shares</oef:ClassName>
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    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241231_20250630_C000015151Member"
      id="t_5_b5689d76_e39e_22c7_5140_3b635de51830">This semi-annual&#160;shareholder report contains important information about the Class&#160;I Shares of the Nuveen Real Estate Securities Fund&#160;for the period of&#160;January 1, 2025 to&lt;span style="font-weight:bold"&gt; &lt;/span&gt;June&#160;30, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_6_3ffae088_704c_64a2_6a02_7c53580e743e">You can find additional information athttps://www.nuveen.com/en&#x2011;us/mutual&#x2011;funds/prospectuses. You can also request this information by contacting us at (800)&#160;257&#x2011;8787. </oef:AddlInfoTextBlock>
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      contextRef="D20241231_20250630_C000015151Member"
      id="t_9_97eedad6_d50e_2604_fee7_1cf9f3f97414">&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;
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&lt;td style="height:3pt;"&gt;&lt;/td&gt;
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&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;
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&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;
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&lt;td style="height:3pt;"&gt;&lt;/td&gt;
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&lt;td style="padding-bottom:3pt ;BORDER-BOTTOM:0.75pt solid #7fb8e6;white-space:nowrap;vertical-align:bottom;"&gt;&#160;&lt;/td&gt;
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