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      contextRef="FY2019_S000000715Member_C000002084Member"
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    <oef:AnnlRtrPct
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      contextRef="FY2024_S000000715Member_C000002084Member"
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      id="h_16_0094bdde_b2d5_4eb5_8e3f_3e950632834d"
      unitRef="USD">15</oef:MaximumAccountFee>
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      decimals="INF"
      id="h_17_0a5bc352_63ba_43ba_b80e_ed1a28afe46d"
      unitRef="USD">15</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_18_22e1e23b_e672_425c_b249_41f134d7e2ac"
      unitRef="USD">15</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000713Member_C000002080Member"
      decimals="INF"
      id="h_19_6d9f8bdd_1795_4912_9ea7_f2f68ea062cd"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000713Member_C000113703Member"
      decimals="INF"
      id="h_20_af3fb9d2_23b2_4c95_a5b9_cb98257da620"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000713Member_C000002079Member"
      decimals="INF"
      id="h_21_2eb7d6a1_1e5c_43a4_87ec_3b758a95dac4"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000713Member_C000066988Member"
      decimals="INF"
      id="h_22_a9fa3615_d933_4d84_b3e6_6d3a6b88ff36"
      unitRef="USD">0</oef:MaximumAccountFee>
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      contextRef="S000000713Member"
      id="t_6_f09d8b6f_3a18_4f2f_ac33_870173bdfa1d">Annual fund operating expenses (%)(expenses that you pay each year as a percentage of the value of your investment)</oef:OperatingExpensesCaption>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000113701Member"
      decimals="4"
      id="h_23_0bea1fef_f5fc_4d0c_b2d4_418a0b841c32"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000113702Member"
      decimals="4"
      id="h_24_43138fe6_aa18_48d7_b4c8_75336ae8a16b"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_25_c944e8ae_1c2c_4c42_bd5b_b0973d72297d"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000002080Member"
      decimals="4"
      id="h_26_cb5b6cc5_b582_400a_81af_9db7ce87b92a"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000113703Member"
      decimals="4"
      id="h_27_03fda004_8a28_4815_b12c_812fe8b77040"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000002079Member"
      decimals="4"
      id="h_28_d22e308a_c87f_4e63_8b4d_9438d1038ebe"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_29_a3a6bc8a_b85b_4bf1_89be_bde11e63def8"
      unitRef="pure">0.0042</oef:ManagementFeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000113701Member"
      decimals="4"
      id="h_30_06f3a15e_72ca_442d_abd0_40e657b4c8ce"
      unitRef="pure">0.0025</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000113702Member"
      decimals="4"
      id="h_31_3c43f3a3_b7ed_4ee7_a64d_82a6f7bec485"
      unitRef="pure">0.0100</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_32_12e1a92c_6582_43d8_90e8_aa6c76eb581c"
      unitRef="pure">0.0070</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000002080Member"
      decimals="4"
      id="h_33_31133ee1_d289_48d7_8711_432e7f94fdfd"
      unitRef="pure">0.0025</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000113703Member"
      decimals="4"
      id="h_34_56edeb82_bee6_4e6d_b669_74ffac558a2f"
      unitRef="pure">0.0050</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000002079Member"
      decimals="4"
      id="h_35_aec1ec57_ed21_45fa_a96a_d4994c8773bd"
      unitRef="pure">0</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_36_83bd9ac8_d0e5_4411_ac69_46c40ca158f0"
      unitRef="pure">0</oef:DistributionAndService12b1FeesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000113701Member"
      decimals="4"
      id="h_37_c05b03a5_877e_474d_b7e8_845cb15a6317"
      unitRef="pure">0.0015</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000113702Member"
      decimals="4"
      id="h_38_d661a020_598e_422b_8175_543f6e8f6874"
      unitRef="pure">0.0012</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_39_142b9e2b_727a_4d75_bb95_5510865fc3d0"
      unitRef="pure">0.0176</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000002080Member"
      decimals="4"
      id="h_40_d9496e21_f5b2_446a_a6d7_611b275e4c8a"
      unitRef="pure">0.0013</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000113703Member"
      decimals="4"
      id="h_41_93ef0113_23f3_4bb8_958b_9962f88130d5"
      unitRef="pure">0.0022</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000002079Member"
      decimals="4"
      id="h_42_1650f2f6_bad7_49d6_8075_a4496e130432"
      unitRef="pure">0.0001</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_43_2bfb90fb_3c94_42f1_89de_369e15b13cca"
      unitRef="pure">0.0002</oef:OtherExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000113701Member"
      decimals="4"
      id="h_44_1d412961_0782_4fe2_a4f1_6bb07ed345e6"
      unitRef="pure">0.0082</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000113702Member"
      decimals="4"
      id="h_45_1fa4678d_82d3_4752_928b_47872cada015"
      unitRef="pure">0.0154</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_46_1af54877_6812_4574_8ce4_aae4e3bb8ffa"
      unitRef="pure">0.0288</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000002080Member"
      decimals="4"
      id="h_47_ccee24c6_a6d1_4b26_bdd9_0813d4a5d4fc"
      unitRef="pure">0.0080</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000113703Member"
      decimals="4"
      id="h_48_42ae7abc_6925_469d_9a11_c361c306dcc4"
      unitRef="pure">0.0114</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000002079Member"
      decimals="4"
      id="h_49_f63e5f33_c18c_4975_adf6_837954240ac2"
      unitRef="pure">0.0043</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_50_67a2afd8_81d3_4d6b_8e78_1da124131227"
      unitRef="pure">0.0044</oef:ExpensesOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_53_52d5bcdb_7639_48f5_bf05_2030fce8b249"
      unitRef="pure">-0.0146</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_57_7624fe73_8a6f_4a4e_89b9_16f03c05e009"
      unitRef="pure">-0.0002</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000113701Member"
      decimals="4"
      id="h_58_9c9d05f7_0cf0_48e3_b868_b6ac772131a1"
      unitRef="pure">0.0082</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000113702Member"
      decimals="4"
      id="h_59_320b4fcc_1a71_4688_9aa6_895e233cdb9f"
      unitRef="pure">0.0154</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000117034Member"
      decimals="4"
      id="h_60_b5d9cb78_f20e_4fbc_950a_ac495d98ffb9"
      unitRef="pure">0.0142</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000002080Member"
      decimals="4"
      id="h_61_7ef92a27_216e_44db_b43c_87661d84e7d8"
      unitRef="pure">0.0080</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000113703Member"
      decimals="4"
      id="h_62_249e0768_e605_4297_9058_bd305c0abf56"
      unitRef="pure">0.0114</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000002079Member"
      decimals="4"
      id="h_63_3b3ebc36_10ea_4f6e_935e_776df716150e"
      unitRef="pure">0.0043</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000713Member_C000066988Member"
      decimals="4"
      id="h_64_95e69901_227b_44af_9587_6c934d5187ef"
      unitRef="pure">0.0042</oef:NetExpensesOverAssets>
    <oef:ExpensesDeferredChargesTextBlock
      contextRef="S000000713Member"
      id="t_16_ff632f16_ab69_0a41_ef17_fcfd6f88fb37">You may buy Class&#160;A shares in amounts of $500,000 or more at net asset value (without an initial sales charge), but if you redeem those shares within 18 months of their purchase, you will pay a contingent deferred sales charge of 1.00%.</oef:ExpensesDeferredChargesTextBlock>
    <oef:FeeWaiverOrReimbursementOverAssetsDateOfTermination
      contextRef="S000000713Member"
      id="t_58_c906ae42_a2d5_860e_96c2_57261ca3b400">December&#160;31, 2027</oef:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
    <oef:ExpenseExampleHeading
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      id="t_7_327a0d0f_489b_4cc5_802b_b29b877920e8"> Example  </oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="S000000713Member"
      id="t_8_a3dcf1be_9626_484a_b545_94762a2c1125"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes:&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You invest $10,000 in the fund for the time periods indicated&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;Your investment has a 5% return each year and the fund&#x2019;s operating expenses remain the same (except that any applicable fee waiver or expense reimbursement is reflected only through its expiration date)&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You reinvest all distributions and dividends without a sales charge&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/div&gt; </oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleByYearCaption
      contextRef="S000000713Member"
      id="t_18_2c8b33c7_60be_a847_e426_73c0abb0a3fb">Number of years you own your shares ($)</oef:ExpenseExampleByYearCaption>
    <oef:ExpenseExampleNoRedemptionByYearCaption
      contextRef="S000000713Member"
      id="t_19_afb21a9a_b3b3_2a1b_6975_06aba9a15328">Number of years you own your shares ($)</oef:ExpenseExampleNoRedemptionByYearCaption>
    <oef:ExpenseExampleYear01
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_65_f16212f5_27fa_420e_baad_30e4de2c919e"
      unitRef="USD">456</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_135_8e650199_9d0f_75f8_f3a6_80ae66ed663b"
      unitRef="USD">456</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_66_44f189cc_bfff_4510_b7ab_12c73989fc27"
      unitRef="USD">627</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_136_1410dc09_c737_6ded_629b_ad6d9cf9be5e"
      unitRef="USD">627</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_67_1d99885d_5052_4c13_b104_5be849966e09"
      unitRef="USD">813</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_137_e323ff7c_13ea_44b2_d635_f8416afdde55"
      unitRef="USD">813</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_68_e38490da_b397_467a_ba2b_883c1e480303"
      unitRef="USD">1350</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000713Member_C000113701Member"
      decimals="INF"
      id="h_138_4f653c6b_4441_5f1f_fa6c_a2921bc8f062"
      unitRef="USD">1350</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_69_2af30704_cf5a_4714_a8a1_b04aa9efaab7"
      unitRef="USD">257</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_70_4ffef58f_1ba5_4fa6_b8af_e30924ce88d1"
      unitRef="USD">487</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_71_e486ff75_ae4b_4564_9a00_63d41133eddf"
      unitRef="USD">839</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_72_87de473c_bcac_4443_bab9_5c54857a9f14"
      unitRef="USD">1640</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_73_b5606d51_932d_4d81_b7b6_92b1ac7be209"
      unitRef="USD">157</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_74_79f70b25_ca43_49bd_a095_848d87a220c8"
      unitRef="USD">487</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_75_edc1af81_917c_4627_9429_1ccd81b742fc"
      unitRef="USD">839</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000713Member_C000113702Member"
      decimals="INF"
      id="h_76_0b27fc35_889d_466f_8c0a_9d4295a0df9b"
      unitRef="USD">1640</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_77_b8ecf32e_d322_4708_8972_fb6af1464c55"
      unitRef="USD">245</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_78_b11ff357_6ca9_42ca_9386_1bf8f1a3ce29"
      unitRef="USD">754</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_79_9bee93a3_9693_417b_a328_dc9d39846c62"
      unitRef="USD">1389</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_80_5a87f50a_3005_4c3e_af99_caa29d97af4d"
      unitRef="USD">2599</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_81_99c85cd7_c582_4eea_8bab_27739716c6e3"
      unitRef="USD">145</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_82_870297f7_ddeb_46cf_8f4b_c470e43a50db"
      unitRef="USD">754</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_83_f34176a5_e5c3_4f69_b724_3e6cf608276a"
      unitRef="USD">1389</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000713Member_C000117034Member"
      decimals="INF"
      id="h_84_b6e10a54_82ce_4125_9606_bc9ad7d5857e"
      unitRef="USD">2599</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000713Member_C000002080Member"
      decimals="INF"
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      id="h_147_891133ac_046d_9a05_44c6_e0b788db01a4"
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      id="h_149_0cb768b6_868b_db42_9ac9_d6f46568ced0"
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      id="h_150_9cd83a25_797a_b12b_c667_caa7223d3fea"
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      decimals="INF"
      id="h_97_5c82f8c6_bc1f_4ede_a517_ea000ca32aed"
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      decimals="INF"
      id="h_151_b54727c2_cde1_763c_97cd_f0d597867586"
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    <oef:PortfolioTurnoverHeading
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      id="t_21_04cbd034_504c_a24c_a9f2_c4f71e800d3c">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&#x2019;s performance.&#160;During the most recent fiscal year, the fund&#x2019;s portfolio turnover rate was 93% of the average value of its portfolio. If mortgage dollar roll transactions had been excluded, the fund&#x2019;s portfolio turnover rate for the most recent fiscal year would have been 56% of the average value of its portfolio.</oef:PortfolioTurnoverTextBlock>
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      id="t_9_dcb69a6d_0618_4293_baa8_65b16213a5ae"> Principal investment strategies  </oef:StrategyHeading>
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      id="t_10_a907b100_0324_4134_b61d_6df382675200"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund invests in a portfolio of fixed income securities of various maturities and, under normal market conditions, will invest at least 80% of its net assets, including the amount of borrowing for investment purposes, if any, in debt and fixed income securities. Although the fund may invest in debt and fixed income securities of any maturity, under normal market conditions the target dollar-weighted average effective duration for the fund is expected to range within 20% of the average duration of the domestic bond market as a whole as estimated by the fund&#x2019;s subadviser. Effective duration seeks to measure the expected sensitivity of market price to changes in interest rates, taking into account the anticipated effects of structural complexities (for example, some bonds can be prepaid by the issuer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund presently intends to limit its investments to U.S. dollar denominated securities and currently anticipates that it will generally only purchase debt securities that are rated in the Baa or BBB categories or above at the time of purchase by one or more Nationally Recognized Statistical Rating Organizations (&#x201c;NRSROs&#x201d;) or unrated securities of comparable quality at the time of purchase (as determined by the subadviser). These securities are known as &#x201c;investment grade securities.&#x201d; The fund may invest up to 25% of its total assets in the securities of non&#x2011;U.S. issuers. The fund may invest a substantial portion of its assets in mortgage-backed and asset-backed securities.&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund may also enter into various exchange-traded and over&#x2011;the&#x2011;counter derivative transactions for both hedging and non&#x2011;hedging purposes, including for purposes of enhancing returns. These derivative transactions include, but are not limited to, futures, options and swaps.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In particular, the fund may use interest rate swaps, credit default swaps (including buying and selling credit default swaps on individual securities and/or baskets of securities), options (including options on credit default swaps) and futures contracts to a significant extent, although the amounts invested in these instruments may change from time to time. Other instruments may also be used to a significant extent from time to time.&lt;/div&gt; </oef:StrategyNarrativeTextBlock>
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      id="t_22_18e6b187_e867_eb5b_081b_d00877a533a3">You may lose part or all of your investment in the fund or your investment may not perform as well as other similar investments.</oef:RiskTextBlock>
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      id="t_23_31c31be4_f75d_6167_d2d3_f4385ef74401">An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or by any bank or government agency.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_MarketAndInterestRateRiskMember"
      id="t_24_6e7b3392_c65a_04aa_9456_43b6a179f4c3"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Market and interest rate risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The market prices of securities held by the fund may go up or down, sometimes rapidly or unpredictably. If the market prices of the fund&#x2019;s securities fall, the value of your investment in the fund will decline. The market price of a security may fall due to general market conditions, such as real or perceived adverse economic or political conditions or trends, tariffs and trade disruptions, inflation, substantial economic downturn or recession, changes in interest rates, lack of liquidity in the bond markets or adverse investor sentiment. Changes in market conditions will not typically have the same impact on all types of securities. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of your investment will generally go down when interest rates rise. A rise in rates tends to have a greater impact on the prices of longer term or duration securities. A general rise in interest rates may cause investors to move out of fixed income securities on a large scale, which could adversely affect the price and liquidity of fixed income securities and could also result in increased redemptions from the fund. Recently, there have been inflationary price movements. As a result, fixed income securities markets may experience heightened levels of interest rate volatility and liquidity risk. The U.S. government and the U.S. Federal Reserve, as well as certain foreign governments and central banks, have from time to time taken steps to support financial markets. The U.S. government and the U.S. Federal Reserve may, conversely, reduce market support activities. This and other government intervention may not work as intended, particularly if the efforts are perceived by investors as being unlikely to achieve the desired results. Changes in government activities in this regard, such as changes in interest rate policy, can negatively affect financial markets generally, increase market volatility and reduce the value and liquidity of securities in which the fund invests.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The maturity of a security may be significantly longer than its duration. A security&#x2019;s maturity and other features may be more relevant than its duration in determining the security&#x2019;s sensitivity to other factors affecting the issuer or markets generally such as changes in credit quality or in the yield premium that the market may establish for certain types of securities.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
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      id="t_39_269cb9ed_854b_0fdd_2478_8ee1c938d883"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Inflation risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Inflation risk is the risk that the value of assets or income from investments will be worth less in the future as prices go up and the purchasing power of money goes down. The market prices of debt securities generally fall as inflation increases because the purchasing power of the principal and income is expected to be less when paid. Inflation often is accompanied or followed by a recession, or period of decline in economic activity, which may include job loss and other hardships and may cause the value of securities to go down generally. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_CreditRiskMember"
      id="t_40_913f8154_136e_6326_cf78_6f764788f0f0"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Credit risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;If an issuer or guarantor of a security held by the fund or a counterparty to a financial contract with the fund defaults or its credit is downgraded, or is perceived to be less creditworthy, or if the value of the assets underlying a security declines, the value of your investment will typically decline. Changes in actual or perceived creditworthiness may occur quickly. The fund could be delayed or hindered in its enforcement of rights against an issuer, guarantor or counterparty. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_DerivativesRisksMember"
      id="t_41_559487f6_04e9_1043_ece7_a7d40f7c8300"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Derivatives risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Using derivatives can increase fund losses and reduce opportunities for gains, such as when market prices, interest rates, currencies, or the derivatives themselves behave in a way not anticipated by the fund&#x2019;s subadviser.&#160;Using derivatives also can have a leveraging effect and increase fund volatility. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment. Derivatives may not be available at the time or price desired, may be difficult to sell, unwind or value, and the counterparty may default on its obligations to the fund. Derivatives are generally subject to the risks applicable to the assets, rates, indices or other indicators underlying the derivative. The value of a derivative may fluctuate more than the underlying assets, rates, indices or other indicators to which it relates. Use of derivatives may have different tax consequences for the fund than an investment in the underlying asset, and those differences may affect the amount, timing and character of income distributed to shareholders. The U.S. government and non&#x2011;U.S. governments have adopted and implemented regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements. The ultimate impact of the regulations remains unclear. Additional regulation of derivatives may make derivatives more costly, limit their availability or utility, otherwise adversely affect their performance or disrupt markets. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Credit default swap contracts involve heightened risks and may result in losses to the fund. Credit default swaps may be illiquid and difficult to value. When the fund sells credit protection via a credit default swap, credit risk increases since the fund has exposure to both the issuer whose credit is the subject of the swap and the counterparty to the swap.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_LeverageRiskMember"
      id="t_42_f5beaf87_eac7_0cb4_b298_4c189443160e"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Leverage risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The value of your investment may be more volatile if the fund borrows or uses instruments, such as derivatives, that have a leveraging effect on the fund&#x2019;s portfolio.&#160;Other risks described in the Prospectus also will be compounded because leverage generally magnifies the effect of a change in the value of an asset and creates a risk of loss of value on a larger pool of assets than the fund would otherwise have had.&#160;The &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;fund may also have to sell assets at inopportune times to satisfy its obligations created by the use of leverage or derivatives. The use of leverage is considered to be a speculative investment practice and may result in the loss of a substantial amount, and possibly all, of the fund&#x2019;s assets. In addition, the fund&#x2019;s portfolio will be leveraged if it exercises its right to delay payment on a redemption, and losses will result if the value of the fund&#x2019;s assets declines between the time a redemption request is deemed to be received by the fund and the time the fund liquidates assets to meet redemption requests.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_IlliquidityRiskMember"
      id="t_43_69cf5b0a_2e42_1c0c_a440_873e739559c7"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Illiquidity risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Some assets held by the fund may be or become impossible or difficult to sell and some assets that the fund wants to invest in may be impossible or difficult to purchase, particularly during times of market turmoil or due to adverse changes in the conditions of a particular issuer. These illiquid assets may also be volatile and difficult to value. Markets may become illiquid quickly. Markets may become illiquid when, for instance, there are few, if any, interested buyers or sellers or when dealers are unwilling or unable to make a market for certain securities. As a general matter, dealers have been less willing to make markets in recent years. Federal banking regulations may also cause certain dealers to reduce their inventories of certain securities, which may further decrease the fund&#x2019;s ability to buy or sell such securities. During times of market turmoil, there have been, and may be, no buyers or sellers for securities in entire asset classes. If the fund is forced to sell an illiquid asset to meet redemption requests or other cash needs, or to try to limit losses, the fund may be forced to sell at a substantial loss or may not be able to sell at all. The fund may not receive its proceeds from the sale of certain securities for an extended period (for example, several weeks or even longer). &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_ForeignInvestmentsAndEmergingMarketsRiskMember"
      id="t_44_187886ce_c39a_1f7c_3819_eff6763b865b"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Foreign investments and emerging markets risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&lt;span style="font-weight: bold;"&gt; &lt;/span&gt;The fund&#x2019;s investments in securities of foreign issuers or issuers with significant exposure to foreign markets involve additional risk as compared to investments in U.S. securities or issuers with predominantly U.S. exposure, such as less liquid, less transparent, less regulated and more volatile markets. The value of the fund&#x2019;s investments may decline because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable or unsuccessful government actions, reduction of government or central bank support, inadequate accounting standards and auditing and financial recordkeeping requirements, lack of information, political, economic, financial or social instability, terrorism, armed conflicts and other geopolitical events, and the impact of tariffs and other restrictions on trade or economic sanctions. Geopolitical or other events such as nationalization or expropriation could even cause the loss of the fund&#x2019;s entire investment in one or more countries. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In addition, there may be significant obstacles to obtaining information necessary for investigations into or litigation against issuers located in or operating in certain foreign markets, particularly emerging market countries, and shareholders may have limited legal remedies.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of investments in securities denominated in foreign currencies increases or decreases as the rates of exchange between those currencies and the U.S. dollar change.&#160;Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile, and are affected by factors such as general economic and political conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls and speculation. The fund may be unable or may choose not to hedge its foreign currency exposure.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Less developed markets are more likely to experience problems with the clearing and settling of trades and the holding of securities by local banks, agents and depositories. Settlement of trades in these markets can take longer than in other markets and the fund may not receive its proceeds from the sale of certain securities for an extended period (possibly several weeks or even longer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The risks of foreign investments are heightened when investing in issuers in emerging market countries. Emerging market countries tend to have economic, political and legal systems that are less developed and are less stable than those of more developed countries. Their economies tend to be less diversified than those of more developed countries. They typically have fewer medical and economic resources than more developed countries, and thus they may be less able to control or mitigate the effects of a pandemic or a natural disaster. They are often particularly sensitive to market movements because their market prices tend to reflect speculative expectations.&#160;Low trading volumes may result in a lack of liquidity and in extreme price volatility.&lt;/div&gt; </oef:RiskTextBlock>
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      id="t_45_8fe61e4c_0f99_b422_2706_683f0b737667"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Prepayment or call risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Many issuers have a right to prepay their fixed income securities. Issuers may be more likely to prepay their securities if interest rates fall. If this happens, the fund may not benefit from the rise in the market price of the securities that normally accompanies a decline in interest rates, and will be forced to reinvest prepayment proceeds at a time when yields on securities available in the market are lower than the yield on prepaid securities. The fund may also lose any premium it paid to purchase the securities. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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      id="t_46_d7053be1_c7a5_dbaa_c489_776c7faed3b4"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Extension risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; When interest rates rise, repayments of fixed income securities, particularly asset- and mortgage-backed securities, may occur more slowly than anticipated, extending the effective duration of these fixed income securities at below market interest rates and causing their market prices to decline more than they would have declined due to the rise in interest rates alone. This may cause the fund&#x2019;s share price to be more volatile. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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      contextRef="D20251231_20251231_S000000713Member_RiskOfInvestingInFewerIssuersMember"
      id="t_47_e7eb88cf_782a_2b10_67fa_474eadba219e"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Risk of investing in fewer issuers.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;To the extent the fund invests its assets in a small number of issuers, or in issuers in related businesses or that are subject to related operating risks, the fund will be more susceptible to negative events affecting those issuers. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_ValuationRiskMember"
      id="t_48_33a533b5_560a_a651_1372_7ce0010ff4c2"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Valuation risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The sales price the fund could receive for any particular portfolio investment may differ from the fund&#x2019;s valuation of the investment, particularly for securities that trade in thin or volatile markets or that are valued using a fair value methodology. These differences may increase significantly and affect fund investments more broadly during periods of market volatility. Investors who purchase or redeem fund shares on days when the fund is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the fund had not fair-valued securities or had used a different valuation methodology. The fund&#x2019;s ability to value its investments may be &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;impacted by technological issues and/or errors by pricing services or other third party service providers. The valuation of the fund&#x2019;s investments involves subjective judgment, which may prove to be incorrect.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_MarketEventsRiskMember"
      id="t_49_0e484f98_99ae_6bde_ce3c_8b18e7ddc92b"> &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Market events risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The market values of securities or other assets will fluctuate, sometimes sharply and unpredictably, due to factors such as economic events, governmental actions or intervention, actions taken by the U.S. Federal Reserve or foreign central banks, market disruptions caused by trade disputes, labor strikes or other factors, political developments, armed conflicts, economic sanctions and countermeasures in response to sanctions, major cybersecurity events, the global and domestic effects of widespread or local health, weather or climate events, and other factors that may or may not be related to the issuer of the security or other asset. Economies and financial markets throughout the world are increasingly interconnected. Economic, financial or political events, trading and tariff arrangements, public health events, terrorism, wars, natural disasters and other circumstances in one country or region could have profound impacts on global economies or markets. As a result, whether or not the fund invests in securities of issuers located in or with significant exposure to the countries or markets directly affected, the value and liquidity of the fund&#x2019;s investments may be negatively affected. Ongoing or threatened armed conflicts throughout the world have caused and could continue to cause significant market disruptions and volatility. The hostilities and sanctions resulting from those hostilities have and could continue to have a significant impact on certain fund investments as well as fund performance and liquidity. Following Russia&#x2019;s invasion of Ukraine in 2022, Russian stocks lost all, or nearly all, of their market value. Other securities or markets could be similarly affected by past or future geopolitical or other events or conditions. Furthermore, events involving limited liquidity, defaults, non&#x2011;performance or other adverse developments that affect one industry, such as the financial services industry, or concerns or rumors about any events of these kinds, have in the past and may in the future lead to market-wide liquidity problems, may spread to other industries, and could negatively affect the value and liquidity of the fund&#x2019;s investments. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Raising the ceiling on U.S. government debt has become increasingly politicized. Any failure to increase the total amount that the U.S. government is authorized to borrow could lead to a default on U.S. government obligations, with unpredictable consequences for economies and markets in the U.S. and elsewhere. Recently, inflation and interest rates have been volatile and may increase in the future. These circumstances could adversely affect the value and liquidity of the fund&#x2019;s investments, impair the fund&#x2019;s ability to satisfy redemption requests, and negatively impact the fund&#x2019;s performance.&lt;/div&gt;  &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The United States and other countries are periodically involved in disputes over trade and other matters, which may result in tariffs, investment restrictions and adverse impacts on affected companies and securities or the broader U.S. or global economies. For example, the United States has imposed tariffs and other trade barriers on Chinese exports, has restricted sales of certain categories of goods to China, and has established barriers to investments in China. Trade disputes may adversely affect the economies of the United States and its trading partners, as well as companies directly or indirectly affected and financial markets generally. The United States government has prohibited U.S. persons from investing in Chinese companies designated as related to the Chinese military. These and possible future restrictions could limit the fund&#x2019;s opportunities for investment and require the sale of securities at a loss or make them illiquid. Moreover, the Chinese government is involved in a longstanding dispute with Taiwan that has included threats of invasion. If the political climate between the United States and China does not improve or continues to deteriorate, if China were to attempt unification of Taiwan by force, or if other geopolitical conflicts develop or get worse, economies, markets and individual securities may be severely affected both regionally and globally, and the value of the fund&#x2019;s assets may go down.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_HedgingRiskMember"
      id="t_50_182cab90_c0f4_0162_8064_9b9102f7be96"> &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Hedging risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;There can be no assurance that the fund will engage in hedging transactions at any given time, even under volatile market conditions, or that any hedging transactions the fund engages in will be successful.&#160;Hedging transactions involve costs and may reduce gains or result in losses. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_CashManagementAndDefensiveInvestingRiskMember"
      id="t_51_bf06537b_79a6_a8b1_aa28_ab4d69180089"> &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Cash management and defensive investing risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The value of the investments held by the fund for cash management or defensive investing purposes can fluctuate. Like other fixed income securities, they are subject to risk, including market, interest rate and credit risk. If the fund holds cash uninvested, the cash will be subject to the credit risk of the depository institution holding the cash and the fund will not earn income on the cash. If a significant amount of the fund&#x2019;s assets is used for cash management or defensive investing purposes, the fund will be less likely to achieve its investment objective. Defensive investing may not work as intended and the value of an investment in the fund may still decline. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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      contextRef="D20251231_20251231_S000000713Member_USGovernmentSecuritiesRiskMember"
      id="t_52_2bb392d8_13aa_44e1_d51c_00e09b217fee"> &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;U.S. government securities risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The fund may hold U.S. government securities that are not guaranteed or backed by the full faith and credit of the U.S. government, such as those issued by Fannie Mae and Freddie Mac. The maximum potential liability of the issuers of some U.S. government obligations may greatly exceed their current resources, including any legal right to support from the U.S. government. In addition, the events surrounding the U.S. federal government debt ceiling and any resulting agreement (and similar political, economic and other developments) could adversely affect the fund&#x2019;s ability to achieve its investment objective. For example, a downgrade of the long-term sovereign credit rating of the U.S. could increase volatility in both stock and bond markets, result in higher interest rates and lower Treasury prices and increase the costs of all kinds of debt. These events and similar events in other areas of the world could have significant adverse effects on the economy generally and could result in significant adverse impacts on issuers of securities held by the fund and the fund itself. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In the past, the values of U.S. government securities have been affected substantially by increased demand for them around the world. Changes in the demand for U.S. government securities may occur at any time and may result in increased volatility in the values of those securities.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_MortgageBackedAndAssetBackedSecuritiesRiskMember"
      id="t_53_65b13e14_1300_7571_2b15_4a62b3a153a3"> &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Mortgage-backed and asset-backed securities risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; When market interest rates increase, the market values of mortgage-backed securities decline. At the same time, mortgage refinancings and prepayments slow, which lengthens the effective duration of these securities. As a result, the negative effect of the interest rate increase on the market value of mortgage-backed securities is usually more pronounced than it is for other types of fixed income securities, potentially increasing the volatility of the fund. Conversely, when market interest rates decline, while the value of mortgage-backed securities may increase, the rate of prepayment of the underlying mortgages also tends to increase, which shortens the effective &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;duration of these securities. Mortgage-backed securities are also subject to the risk that underlying borrowers will be unable to meet their obligations and the value of property that secures the mortgage may decline in value and be insufficient, upon foreclosure, to repay the associated loan. Investments in asset-backed securities are subject to similar risks. The ability of an issuer of asset-backed securities to enforce its security interest in the underlying assets may be limited, and therefore certain asset-backed securities present a heightened level of risk.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_PortfolioManagementRiskMember"
      id="t_54_738f7bb5_ecdc_b028_face_038dff9c6fb5"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Portfolio management risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The value of your investment may decrease if the subadvisers&#x2019; judgment about the quality, relative yield, value or market trends affecting a particular security, industry, sector or region, or about interest rates or other market factors, is incorrect or does not produce the desired results, or if there are imperfections, errors or limitations in the models, tools and data used by the subadvisers. In addition, the fund&#x2019;s investment strategies or policies may change from time to time. Those changes may not lead to the results intended by the subadvisers and could have an adverse effect on the value or performance of the fund. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_PortfolioTurnoverRiskMember"
      id="t_55_53d17759_f088_cae4_be88_64bd92535985"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Portfolio turnover risk. Active and frequent trading will increase a shareholder&#x2019;s tax liability and the fund&#x2019;s transaction costs, which could detract from fund performance.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_RedemptionRiskMember"
      id="t_56_a1e431b8_6c81_40d7_0c13_b2d15ed21cab"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Redemption risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The fund may experience heavy redemptions that could cause the fund to liquidate its assets at inopportune times or unfavorable prices or increase or accelerate taxable gains or transaction costs and may negatively affect the fund&#x2019;s net asset value, performance, or ability to satisfy redemptions in a timely manner, which could cause the value of your investment to decline. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000713Member_CybersecurityRiskMember"
      id="t_57_ef97dc5c_f7cd_438a_9d0e_7ca5ace3ee87"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Cybersecurity risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Like other funds and business enterprises, the fund, the manager, the subadvisers and their service providers are subject to the risk of cyber incidents occurring from time to time. Cybersecurity incidents, whether intentionally caused by third parties or otherwise, may allow an unauthorized party to gain access to fund assets, fund or customer data (including private shareholder information) or proprietary information, cause the fund, the manager, the subadvisers and/or their service providers (including, but not limited to, fund accountants, custodians, sub&#x2011;custodians, transfer agents and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality, or prevent fund investors from purchasing, redeeming or exchanging shares, receiving distributions or receiving timely information regarding the fund or their investment in the fund. The fund, the manager, and the subadvisers have limited ability to prevent or mitigate cybersecurity incidents affecting third party service providers, and such third party service providers may have limited indemnification obligations to the fund, the manager, and/or the subadvisers. Cybersecurity incidents may result in financial losses to the fund and its shareholders, and substantial costs may be incurred in order to prevent or mitigate any future cybersecurity incidents. Issuers of securities in which the fund invests are also subject to cybersecurity risks, and the value of these securities could decline if the issuers experience cybersecurity incidents. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;New ways to carry out cyber attacks continue to develop. There is a chance that some risks have not been identified or prepared for, or that an attack may not be detected, which puts limitations on the fund&#x2019;s ability to plan for or respond to a cyber attack.&lt;/div&gt; </oef:RiskTextBlock>
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      id="t_12_4631505e_de17_46d3_90c9_7b9441fb44e3"> Performance  </oef:BarChartAndPerformanceTableHeading>
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      contextRef="S000000713Member"
      id="t_25_e0840e8a_c6b5_56c1_53b1_072e4d91b23b"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The accompanying bar chart and table provide some indication of the risks of investing in the fund. The bar chart shows changes in the fund&#x2019;s performance from year to year for Class&#160;I shares.&#160;The table shows the average annual total returns of each class of the fund that has been in operation for at least one full calendar year and also compares the fund&#x2019;s performance with the average annual total returns of a broad measure of market performance.&#160;Performance for classes other than those shown may vary from the performance shown to the extent the expenses for those classes differ. The fund makes updated performance information, including its current net asset value, available at www.franklintempleton.com/prospectus (select fund and share class), or by calling the fund at 877&#x2011;6LM&#x2011;FUND/656&#x2011;3863.&lt;/div&gt;   &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-style: italic;"&gt;The fund&#x2019;s past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future. &lt;/span&gt;&lt;/div&gt;    &lt;div style="margin-top: 6pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Sales charges are not reflected in the accompanying bar chart, and if those charges were included, returns would be less than those shown.&lt;/div&gt;  </oef:PerformanceNarrativeTextBlock>
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      id="t_26_84622132_c69b_be92_a6bb_981a2a8fa636">The bar chart shows changes in the fund&#x2019;s performance from year to year for Class&#160;I shares.&#160;The table shows the average annual total returns of each class of the fund that has been in operation for at least one full calendar year and also compares the fund&#x2019;s performance with the average annual total returns of a broad measure of market performance.</oef:PerformanceInformationIllustratesVariabilityOfReturns>
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      contextRef="S000000713Member"
      id="t_28_83532666_93ff_12e6_8e6d_6bb80c688b86">877&#x2011;6LM&#x2011;FUND/656&#x2011;3863</oef:PerformanceAvailabilityPhone>
    <oef:PerformancePastDoesNotIndicateFuture
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      id="t_27_e0f3fe49_38c8_02a2_3bb5_ec76f691a2da"> The fund&#x2019;s past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future.  </oef:PerformancePastDoesNotIndicateFuture>
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      id="t_30_2104ddc1_0f1d_ff86_3a5e_dbab8b4488c8"> Sales charges are not reflected in the accompanying bar chart, and if those charges were included, returns would be less than those shown. </oef:BarChartDoesNotReflectSalesLoads>
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      unitRef="pure">0.0210</oef:AvgAnnlRtrPct>
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      contextRef="FiveY2025_C000113701Member"
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      unitRef="pure">-0.0248</oef:AvgAnnlRtrPct>
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      unitRef="pure">0.0128</oef:AvgAnnlRtrPct>
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      id="t_59_354c7216_43a5_1f41_9592_481e3bfc9656"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;No one index is representative of the fund&#x2019;s portfolio.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The after&#x2011;tax returns are shown only for Class&#160;I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after&#x2011;tax returns depend on an investor&#x2019;s tax situation and may differ from those shown, and the after&#x2011;tax returns shown are not relevant to investors who hold their fund shares through tax&#x2011;advantaged arrangements, such as 401(k) plans or individual retirement accounts. After&#x2011;tax returns for classes other than Class&#160;I will vary from returns shown for Class&#160;I.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Important data provider notices and terms are available at www.franklintempletondatasources.com. Such information is subject to change.&lt;/div&gt; </oef:PerformanceTableNarrativeTextBlock>
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      id="t_38_92f3da31_313f_8ce4_de30_74126c3612a5">The after&#x2011;tax returns are shown only for Class&#160;I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after&#x2011;tax returns depend on an investor&#x2019;s tax situation and may differ from those shown, and the after&#x2011;tax returns shown are not relevant to investors who hold their fund shares through tax&#x2011;advantaged arrangements, such as 401(k) plans or individual retirement accounts. After&#x2011;tax returns for classes other than Class&#160;I will vary from returns shown for Class&#160;I.</oef:PerformanceTableOneClassOfAfterTaxShown>
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      id="t_36_91ce50cf_4e52_862c_d285_a53c7f073041">The after&#x2011;tax returns are shown only for Class&#160;I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes.</oef:PerformanceTableUsesHighestFederalRate>
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      id="t_16_06933e7e_d076_4bdf_a210_5b59bf6bff05"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Maximize total return, consistent with prudent investment management and liquidity needs, by investing to obtain the average duration specified below.&lt;/div&gt; </oef:ObjectivePrimaryTextBlock>
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      id="t_18_dc6f7150_5983_4b23_ae75_2184c25f3977"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The accompanying table describes the fees and expenses that you may pay if you buy, hold and sell shares of the fund. &lt;span style="font-weight: bold;"&gt;You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.&lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in certain funds distributed through Franklin Distributors, LLC (&#x201c;Franklin Distributors&#x201d; or the &#x201c;Distributor&#x201d;), the fund&#x2019;s distributor. More information about these and other discounts is available from your Service Agent, in the fund&#x2019;s Prospectus on page 32 under the heading &#x201c;Additional information about each share class,&#x201d; in the appendix titled &#x201c;Appendix: Waivers and Discounts Available from Certain Service Agents&#x201d; on page A-1 of the fund&#x2019;s Prospectus and in the fund&#x2019;s Statement of Additional Information (&#x201c;SAI&#x201d;) on page 90 under the heading &#x201c;Sales Charge Waivers and Reductions for Class&#160;A Shares.&#x201d; &#x201c;Service Agents&#x201d; include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, mutual fund supermarkets and other financial intermediaries that have entered into an agreement with the Distributor to sell shares of the fund.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;If you purchase Class I shares or Class IS shares through a Service Agent acting solely as an agent on behalf of its customers, that Service Agent may charge you a commission. Such commissions, if any, are not charged by the fund and are not reflected in the fee table or expense example below.&lt;/div&gt; </oef:ExpenseNarrativeTextBlock>
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      id="h_136_ec0b2d54_2eb4_4136_a1cd_8205aca22030"
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      decimals="4"
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      id="h_143_a25a36ad_1f11_4b0e_ab39_32494ffe4c8f"
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      id="h_144_bb402c85_befa_49e8_bf36_958cc2ac609d"
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      id="h_145_c0c66ed4_490f_45be_b537_7f093ac96674"
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      id="h_155_c1dd63d3_bbe3_49ea_a523_64e324c63631"
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      id="h_156_1f9007e3_14a8_4090_9bc3_6becc690ac05"
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      id="h_163_051d6382_1607_4b74_b5c3_e63b45f30520"
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      id="h_165_a8394ce5_5398_49e7_81a8_47d3047ceeec"
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      decimals="4"
      id="h_169_891d9bf5_24f7_401d_966d_98125145bf26"
      unitRef="pure">0.0015</oef:OtherExpensesOverAssets>
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      decimals="4"
      id="h_170_6ae47f3b_626c_46f2_8797_50e799a315d2"
      unitRef="pure">0.0011</oef:OtherExpensesOverAssets>
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      decimals="4"
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      id="h_172_35e32ecb_c28e_4007_b202_66dbceff74ad"
      unitRef="pure">0.0015</oef:OtherExpensesOverAssets>
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      decimals="4"
      id="h_173_8a40d82d_c056_4a9f_84d8_db4f1b6f03e4"
      unitRef="pure">0.0022</oef:OtherExpensesOverAssets>
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      contextRef="S000000714Member_C000002081Member"
      decimals="4"
      id="h_174_76176594_fa85_4c62_a3a9_e00e76999d49"
      unitRef="pure">0.0003</oef:OtherExpensesOverAssets>
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      decimals="4"
      id="h_175_17934ec0_a81f_4fec_b6aa_72f0d35b6a25"
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      contextRef="S000000714Member_C000113704Member"
      decimals="4"
      id="h_176_a10fd7e5_56c3_454a_ba7f_79c6837c3c0c"
      unitRef="pure">0.0081</oef:ExpensesOverAssets>
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      contextRef="S000000714Member_C000113705Member"
      decimals="4"
      id="h_177_01cd1190_060b_4799_a2e1_fdf84799e853"
      unitRef="pure">0.0152</oef:ExpensesOverAssets>
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      contextRef="S000000714Member_C000117035Member"
      decimals="4"
      id="h_178_ac5d9798_9a43_4085_83d4_7cc7d0514503"
      unitRef="pure">0.1795</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000714Member_C000002082Member"
      decimals="4"
      id="h_179_62e87770_7c0d_4098_acf0_aa3bcdf327fb"
      unitRef="pure">0.0081</oef:ExpensesOverAssets>
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      contextRef="S000000714Member_C000113706Member"
      decimals="4"
      id="h_180_aee6b5b7_483b_432a_8791_790260995c33"
      unitRef="pure">0.0113</oef:ExpensesOverAssets>
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      contextRef="S000000714Member_C000002081Member"
      decimals="4"
      id="h_181_45bf945f_9fc6_4ceb_bbd3_fa6ee4051fce"
      unitRef="pure">0.0044</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000714Member_C000066989Member"
      decimals="4"
      id="h_182_675f3d1c_dac8_4190_8488_4f05f217e3dd"
      unitRef="pure">0.0043</oef:ExpensesOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000714Member_C000117035Member"
      decimals="4"
      id="h_185_95da143f_f02b_42ce_88f0_68ac02dad303"
      unitRef="pure">-0.1644</oef:FeeWaiverOrReimbursementOverAssets>
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      contextRef="S000000714Member_C000113704Member"
      decimals="4"
      id="h_190_dee8ae6c_6ae7_40dd_b141_baee52cefd22"
      unitRef="pure">0.0081</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000714Member_C000113705Member"
      decimals="4"
      id="h_191_92af70cc_be8a_4dbe_96ec_160b0abd08e1"
      unitRef="pure">0.0152</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
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      decimals="4"
      id="h_192_7859bc02_5d79_49b3_a5b2_0ca5a0dbfeb5"
      unitRef="pure">0.0151</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000714Member_C000002082Member"
      decimals="4"
      id="h_193_c29fed5e_ec0c_42ce_ae24_627ed6a0d830"
      unitRef="pure">0.0081</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
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      decimals="4"
      id="h_194_d2ee6738_4d21_4eb0_8d95_e98f165912c8"
      unitRef="pure">0.0113</oef:NetExpensesOverAssets>
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      decimals="4"
      id="h_195_f885c95a_9646_4c19_b297_7bac777c5b85"
      unitRef="pure">0.0044</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
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      decimals="4"
      id="h_196_2c5bf727_e136_4336_9536_f5a00b3006dc"
      unitRef="pure">0.0043</oef:NetExpensesOverAssets>
    <oef:ExpensesDeferredChargesTextBlock
      contextRef="S000000714Member"
      id="t_30_d59f27f2_af37_f1cb_d875_c40d83a18b18">You may buy Class&#160;A shares in amounts of $500,000 or more at net asset value (without an initial sales charge), but if you redeem those shares within 18 months of their purchase, you will pay a contingent deferred sales charge of 1.00%.</oef:ExpensesDeferredChargesTextBlock>
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      contextRef="S000000714Member"
      id="t_31_8c42351c_2692_8593_176e_727aeb757324">December&#160;31, 2027</oef:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
    <oef:ExpenseExampleHeading
      contextRef="S000000714Member"
      id="t_21_e9cc23a8_e1ce_4dbf_bf8c_99664682e894"> Example  </oef:ExpenseExampleHeading>
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      contextRef="S000000714Member"
      id="t_22_1674542e_fa0b_4e4f_b1ca_a077f90c5820"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes:&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You invest $10,000 in the fund for the time periods indicated&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;Your investment has a 5% return each year and the fund&#x2019;s operating expenses remain the same (except that any applicable fee waiver or expense reimbursement is reflected only through its expiration date)&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You reinvest all distributions and dividends without a sales charge&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/div&gt; </oef:ExpenseExampleNarrativeTextBlock>
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      contextRef="S000000714Member"
      id="t_74_ca8cd59c_2060_950f_4cb5_f2faa42d6f99">Number of years you own your shares ($)</oef:ExpenseExampleNoRedemptionByYearCaption>
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      contextRef="S000000714Member"
      id="t_75_ec42fdb9_83f1_dc1a_6ef9_0b213a3f2e01">Number of years you own your shares ($)</oef:ExpenseExampleByYearCaption>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_197_ba3f9236_eaf6_4bda_b138_6e81eb575b4d"
      unitRef="USD">455</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_265_45a363be_a63c_b98c_2c78_70a9f82f384f"
      unitRef="USD">455</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_198_08bc4b76_3a5c_4a82_8367_35e9125d9332"
      unitRef="USD">624</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_266_dec3265c_af19_0735_cbf3_1381e70099ab"
      unitRef="USD">624</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_199_dc95de87_77b6_412a_a25b_d9b763af3770"
      unitRef="USD">808</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_267_8f506954_35c8_b126_abff_781cfca3e4c6"
      unitRef="USD">808</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_200_d95d8a2b_9191_4e75_8936_5c562f56d70d"
      unitRef="USD">1340</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000113704Member"
      decimals="INF"
      id="h_268_0f9b2483_5f7a_65c4_6656_e8e4698254e4"
      unitRef="USD">1340</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_201_d5f7c299_763c_41dc_a035_afee75cf33f6"
      unitRef="USD">255</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_202_aef4a8e4_fa05_42f7_930e_5554eea4a0fd"
      unitRef="USD">481</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_203_dadf72fa_65d6_4fb1_bd6f_26bf8fe80756"
      unitRef="USD">829</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_204_9f34f837_59e6_4efb_8b78_5750b81ebf52"
      unitRef="USD">1620</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_205_2c934567_503b_4631_b2e8_4d1ca44f038d"
      unitRef="USD">155</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_206_1ca7d20d_a31e_45bf_a34a_66b4a1d3480e"
      unitRef="USD">481</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_207_99f17bc0_142d_44fc_bc4f_7e95475c2a32"
      unitRef="USD">829</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000113705Member"
      decimals="INF"
      id="h_208_2cb05f94_db1a_49f4_bbcf_6908e942593a"
      unitRef="USD">1620</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_209_94e70487_fc77_4833_81f4_2d5a562dcddd"
      unitRef="USD">254</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_210_e5dd239a_9866_4183_86d1_85c34f2641dc"
      unitRef="USD">3403</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_211_cbe9ef86_72ef_40ab_8abc_46d4e9bd0cc8"
      unitRef="USD">5866</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_212_e6dac019_cc0d_4e21_a7e0_057837488959"
      unitRef="USD">8554</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_213_ea44a2d5_3e39_4cfd_8b4d_8e76d94b871a"
      unitRef="USD">154</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_214_91c021ed_67b7_4809_9bf0_c1ba8be1e582"
      unitRef="USD">3403</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_215_69c51510_f507_4a02_9b57_62e295101820"
      unitRef="USD">5866</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000117035Member"
      decimals="INF"
      id="h_216_2a913d8d_195e_46d3_bd9f_a97ef0f625b8"
      unitRef="USD">8554</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_217_a8679f84_2986_42c1_bee4_e4db43b13b4d"
      unitRef="USD">83</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_270_3792eb64_8f9e_8bb9_8b44_bca5affe3d39"
      unitRef="USD">83</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_218_7ac028d2_b649_49d6_8d8b_25c0685966d8"
      unitRef="USD">259</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_269_9899eae1_2840_bdfe_f7dc_82d80e1cfff0"
      unitRef="USD">259</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_219_de95163b_18c5_4382_baf8_1b481773d1b0"
      unitRef="USD">450</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_271_9100394c_1902_fce6_4552_c684cd765e20"
      unitRef="USD">450</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_220_ba6e449b_dbf7_4dcb_8d5f_f60ef433ebd3"
      unitRef="USD">1003</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000002082Member"
      decimals="INF"
      id="h_272_79bbec8a_82f1_6605_5eb8_ff2656748e0c"
      unitRef="USD">1003</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_221_173b5c99_1433_4415_8804_d5822e546473"
      unitRef="USD">115</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_273_eb1ca246_6d5e_f2b9_b8c8_66e751236862"
      unitRef="USD">115</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_222_f64b8aaf_b6b8_48fb_9bb1_9598b8bfc775"
      unitRef="USD">359</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_274_c3f2b19c_cb60_20eb_8b21_e28e1eb9521d"
      unitRef="USD">359</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_223_7434e7c6_bafe_4629_bdd5_fe5710e19436"
      unitRef="USD">622</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_275_5b4fd9a1_343e_df08_9d87_d9758a1e2bdb"
      unitRef="USD">622</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_224_ae0f42b5_a677_47b1_8330_99453e5fe7de"
      unitRef="USD">1374</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000113706Member"
      decimals="INF"
      id="h_276_fba8e500_2838_c0dd_8808_b9d9fa1490d1"
      unitRef="USD">1374</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_225_d0c00077_81ca_4ea1_a105_018807785526"
      unitRef="USD">45</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_277_71f83608_4c0b_df90_c518_574a63821e4d"
      unitRef="USD">45</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_226_b65e0d5a_9938_45df_b7b4_c05e8c01767e"
      unitRef="USD">141</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_278_d459c521_8363_a8c7_5396_0bc74fe712ea"
      unitRef="USD">141</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_227_e7a729e6_a279_40fe_bb42_0e085c2a89f2"
      unitRef="USD">246</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_279_e0c840aa_98bf_7a1c_5b56_e8ec886236b5"
      unitRef="USD">246</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_228_f9ffc3d9_2ee6_4993_8670_20293eed4a27"
      unitRef="USD">553</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000002081Member"
      decimals="INF"
      id="h_280_4645116a_65fc_8d89_6e81_c94186937c19"
      unitRef="USD">553</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_229_378a7934_d2b7_4119_9aa3_af71bd1affe2"
      unitRef="USD">44</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_281_9dea578e_dfff_52da_4b8e_40b914d537fa"
      unitRef="USD">44</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_230_f4da4f21_f02f_4bc5_9f68_d46ba42f8db7"
      unitRef="USD">138</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_282_02f9db13_5ef8_eff4_a6cb_5584b59937f7"
      unitRef="USD">138</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_231_a1cdd03f_52ea_4598_b8eb_dda8adea5e96"
      unitRef="USD">241</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_283_fa929e66_b244_0b6b_9249_8ad6166a2e94"
      unitRef="USD">241</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_232_028ea64b_e32f_4fcf_bbad_61c8b17018ae"
      unitRef="USD">543</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000714Member_C000066989Member"
      decimals="INF"
      id="h_284_4af05e7d_0670_77f5_3da3_b5facaf40f6c"
      unitRef="USD">543</oef:ExpenseExampleNoRedemptionYear10>
    <oef:PortfolioTurnoverHeading
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      id="t_32_2f2b2344_16e8_0066_9d5e_98e3b2214fff">Portfolio turnover.</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
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      id="t_33_42a7a888_1781_cd38_8128_f0ed2bf21fd1">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&#x2019;s performance.&#160;During the most recent fiscal year, the fund&#x2019;s portfolio turnover rate was 83% of the average value of its portfolio. If mortgage dollar roll transactions had been excluded, the fund&#x2019;s portfolio turnover rate for the most recent fiscal year would have been 43% of the average value of its portfolio.</oef:PortfolioTurnoverTextBlock>
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      decimals="4"
      id="h_233_f83c8b14_aaf5_46e1_8972_818d37b44e7f"
      unitRef="pure">0.83</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="S000000714Member"
      id="t_23_3a057ae0_e42a_4e4b_8138_c5ddf64e511e"> Principal investment strategies  </oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="S000000714Member"
      id="t_24_0c8fa670_1ec7_45fc_ac14_2a80516243bd"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund invests in a portfolio of fixed income securities of various maturities and, under normal market conditions, will invest at least 80% of its net assets, including the amount of borrowing for investment purposes, if any, in debt and fixed income securities. Although the fund may invest in securities of any maturity, the fund normally expects to maintain a dollar-weighted average effective duration within 30% of the average duration of the domestic bond market as a whole as estimated by the fund&#x2019;s subadvisers. Effective duration seeks to measure the expected sensitivity of market price to changes in interest rates, taking into account the anticipated effects of structural complexities (for example, some bonds can be prepaid by the issuer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund may invest up to 20% of its total assets in non-U.S. dollar denominated securities. Up to 20% of the fund&#x2019;s net assets may be invested in debt securities that are not rated in the Baa or BBB categories or above at the time of purchase by one or more Nationally Recognized Statistical Rating Organizations (&#x201c;NRSROs&#x201d;) or, if unrated, securities of comparable quality at the time of purchase (as determined by the subadvisers). Securities rated in the Baa or BBB categories or above by one or more NRSROs or unrated securities of comparable quality are known as &#x201c;investment grade securities.&#x201d; Securities rated below investment grade are commonly known as &#x201c;junk bonds&#x201d; or &#x201c;high yield securities.&#x201d; The fund may invest up to 25% of its total assets in the securities of non-U.S. issuers. The fund may invest a substantial portion of its assets in mortgage-backed and asset-backed securities.&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund may also enter into various exchange-traded and over-the-counter derivative transactions for both hedging and non-hedging purposes, including for purposes of enhancing returns. These derivative transactions include, but are not limited to, futures, options, swaps, foreign currency futures and forwards.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In particular, the fund may use interest rate swaps, credit default swaps (including buying and selling credit default swaps on individual securities and/or baskets of securities), options (including options on credit default swaps and options on futures) and futures contracts to a significant extent, although the amounts invested in these instruments may change from time to time. Other instruments may also be used to a significant extent from time to time.&lt;/div&gt; </oef:StrategyNarrativeTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_RiskLoseMoneyMember"
      id="t_69_266962c9_b109_4eaa_db7f_363b1f495005">You may lose part or all of your investment in the fund or your investment may not perform as well as other similar investments.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_RiskNotInsuredDepositoryInstitutionMember"
      id="t_70_ebceff9d_4397_4f6e_10ea_6d6b10581af2">An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or by any bank or government agency.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_MarketAndInterestRateRiskMember"
      id="t_47_1183dc42_ec68_176d_1172_5063d076b850"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Market and interest rate risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The market prices of securities held by the fund may go up or down, sometimes rapidly or unpredictably. If the market prices of the fund&#x2019;s securities fall, the value of your investment in the fund will decline. The market price of a security may fall due to general market conditions, such as real or perceived adverse economic or political conditions or trends, tariffs and trade disruptions, inflation, substantial economic downturn or recession, changes in interest rates, lack of liquidity in the bond markets or adverse investor sentiment. Changes in market conditions will not typically have the same impact on all types of securities. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of your investment will generally go down when interest rates rise. A rise in rates tends to have a greater impact on the prices of longer term or duration securities. A general rise in interest rates may cause investors to move out of fixed income securities on a large scale, which could adversely affect the price and liquidity of fixed income securities and could also result in increased redemptions from the fund. Recently, there have been inflationary price movements. As a result, fixed income securities markets may experience heightened levels of interest rate volatility and liquidity risk. The U.S. government and the U.S. Federal Reserve, as well as certain foreign governments and central banks, have from time to time taken steps to support financial markets. The U.S. government and the U.S. Federal Reserve may, conversely, reduce market support activities. This and other government intervention may not work as intended, particularly if the efforts are perceived by investors as being unlikely to achieve the desired results. Changes in government activities in this regard, such as changes in interest rate policy, can negatively affect financial markets generally, increase market volatility and reduce the value and liquidity of securities in which the fund invests.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The maturity of a security may be significantly longer than its duration. A security&#x2019;s maturity and other features may be more relevant than its duration in determining the security&#x2019;s sensitivity to other factors affecting the issuer or markets generally such as changes in credit quality or in the yield premium that the market may establish for certain types of securities.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_InflationRiskMember"
      id="t_48_8db6349b_7f9d_5589_eb5b_d9a3b69103c8"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Inflation risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Inflation risk is the risk that the value of assets or income from investments will be worth less in the future as prices go up and the purchasing power of money goes down. The market prices of debt securities generally fall as inflation increases because the purchasing power of the principal and income is expected to be less when paid. Inflation often is accompanied or followed by a recession, or period of decline in economic activity, which may include job loss and other hardships and may cause the value of securities to go down generally. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_CreditRiskMember"
      id="t_49_3cee340b_a7ee_ad1a_7675_f2bb3185ade7"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Credit risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;If an issuer or guarantor of a security held by the fund or a counterparty to a financial contract with the fund defaults or its credit is downgraded, or is perceived to be less creditworthy, or if the value of the assets underlying a security declines, the value of your investment will typically decline. Changes in actual or perceived creditworthiness may occur quickly. The fund could be delayed or hindered in its enforcement of rights against an issuer, guarantor or counterparty. Subordinated securities (meaning securities that rank below other securities with respect to claims on the issuer&#x2019;s assets) are more likely to suffer a credit loss than non-subordinated securities of the same issuer and will be disproportionately affected by a default, downgrade or perceived decline in creditworthiness. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_HighYieldJunkBondsRiskMember"
      id="t_50_7c713f11_3a46_33d0_5dfb_4261c54ac69c"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;High yield (&#x201c;junk&#x201d;) bonds risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;High yield bonds are generally subject to greater credit risks than higher-grade bonds, including the risk of default on the payment of interest or principal.&#160;High yield bonds are considered speculative, typically have lower liquidity and are more difficult to value than higher grade bonds. High yield bonds tend to be volatile and more susceptible to adverse events, credit downgrades and negative sentiments and may be difficult to sell at a desired price, or at all, during periods of uncertainty or market turmoil. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_DerivativesRisksMember"
      id="t_51_50a2ff50_6d5a_ad0e_ede0_ca8968f967f7"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Derivatives risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Using derivatives can increase fund losses and reduce opportunities for gains, such as when market prices, interest rates, currencies, or the derivatives themselves behave in a way not anticipated by the fund&#x2019;s subadviser.&#160;Using derivatives also can have a leveraging effect and increase fund volatility. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment. Derivatives may not be available at the time or price desired, may be difficult to sell, unwind or value, and the counterparty may default on its obligations to the fund. Derivatives are generally subject to the risks applicable to the assets, rates, indices or other indicators underlying the derivative. The value of a derivative may fluctuate more than the underlying assets, rates, indices or other indicators to which it relates. Use of derivatives may have different tax consequences for the fund than an investment in the underlying asset, and those differences may affect the amount, timing and character of income distributed to shareholders. The U.S. government and non-U.S. governments have adopted and implemented regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements. The ultimate &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;impact of the regulations remains unclear. Additional regulation of derivatives may make derivatives more costly, limit their availability or utility, otherwise adversely affect their performance or disrupt markets.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Credit default swap contracts involve heightened risks and may result in losses to the fund. Credit default swaps may be illiquid and difficult to value. When the fund sells credit protection via a credit default swap, credit risk increases since the fund has exposure to both the issuer whose credit is the subject of the swap and the counterparty to the swap.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_LeverageRiskMember"
      id="t_52_bbf8275c_8e69_84d0_0dd7_f4f07cb7d451"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Leverage risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The value of your investment may be more volatile if the fund borrows or uses instruments, such as derivatives, that have a leveraging effect on the fund&#x2019;s portfolio.&#160;Other risks described in the Prospectus also will be compounded because leverage generally magnifies the effect of a change in the value of an asset and creates a risk of loss of value on a larger pool of assets than the fund would otherwise have had.&#160;The fund may also have to sell assets at inopportune times to satisfy its obligations created by the use of leverage or derivatives. The use of leverage is considered to be a speculative investment practice and may result in the loss of a substantial amount, and possibly all, of the fund&#x2019;s assets. In addition, the fund&#x2019;s portfolio will be leveraged if it exercises its right to delay payment on a redemption, and losses will result if the value of the fund&#x2019;s assets declines between the time a redemption request is deemed to be received by the fund and the time the fund liquidates assets to meet redemption requests. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_IlliquidityRiskMember"
      id="t_53_8b46ea88_9ae7_e936_3c36_914488d2de05"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Illiquidity risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Some assets held by the fund may be or become impossible or difficult to sell and some assets that the fund wants to invest in may be impossible or difficult to purchase, particularly during times of market turmoil or due to adverse changes in the conditions of a particular issuer. These illiquid assets may also be volatile and difficult to value. Markets may become illiquid quickly. Markets may become illiquid when, for instance, there are few, if any, interested buyers or sellers or when dealers are unwilling or unable to make a market for certain securities. As a general matter, dealers have been less willing to make markets in recent years. Federal banking regulations may also cause certain dealers to reduce their inventories of certain securities, which may further decrease the fund&#x2019;s ability to buy or sell such securities. During times of market turmoil, there have been, and may be, no buyers or sellers for securities in entire asset classes. If the fund is forced to sell an illiquid asset to meet redemption requests or other cash needs, or to try to limit losses, the fund may be forced to sell at a substantial loss or may not be able to sell at all. The fund may not receive its proceeds from the sale of certain securities for an extended period (for example, several weeks or even longer). The liquidity of certain assets, particularly of privately-issued and non-investment grade mortgage-backed securities, asset-backed securities and collateralized debt obligations, may be difficult to ascertain and may change over time. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_ForeignInvestmentsAndEmergingMarketsRiskMember"
      id="t_54_4e063df5_6af3_e28a_c132_cdae6ca1fbb2"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Foreign investments and emerging markets risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The fund&#x2019;s investments in securities of foreign issuers or issuers with significant exposure to foreign markets involve additional risk as compared to investments in U.S. securities or issuers with predominantly U.S. exposure, such as less liquid, less transparent, less regulated and more volatile markets. The value of the fund&#x2019;s investments may decline because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable or unsuccessful government actions, reduction of government or central bank support, inadequate accounting standards and auditing and financial recordkeeping requirements, lack of information, political, economic, financial or social instability, terrorism, armed conflicts and other geopolitical events, and the impact of tariffs and other restrictions on trade or economic sanctions. Geopolitical or other events such as nationalization or expropriation could even cause the loss of the fund&#x2019;s entire investment in one or more countries. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In addition, there may be significant obstacles to obtaining information necessary for investigations into or litigation against issuers located in or operating in certain foreign markets, particularly emerging market countries, and shareholders may have limited legal remedies.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of investments in securities denominated in foreign currencies increases or decreases as the rates of exchange between those currencies and the U.S. dollar change.&#160;Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile, and are affected by factors such as general economic and political conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls and speculation. The fund may be unable or may choose not to hedge its foreign currency exposure.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Less developed markets are more likely to experience problems with the clearing and settling of trades and the holding of securities by local banks, agents and depositories. Settlement of trades in these markets can take longer than in other markets and the fund may not receive its proceeds from the sale of certain securities for an extended period (possibly several weeks or even longer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The risks of foreign investments are heightened when investing in issuers in emerging market countries. Emerging market countries tend to have economic, political and legal systems that are less developed and are less stable than those of more developed countries. Their economies tend to be less diversified than those of more developed countries. They typically have fewer medical and economic resources than more developed countries, and thus they may be less able to control or mitigate the effects of a pandemic or a natural disaster. They are often particularly sensitive to market movements because their market prices tend to reflect speculative expectations.&#160;Low trading volumes may result in a lack of liquidity and in extreme price volatility.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_SovereignDebtRiskMember"
      id="t_55_af22ee4f_cd17_8f1d_33d7_dbe2169e2ef1"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Sovereign debt risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Sovereign government and supranational debt involve many of the risks of foreign and emerging markets investments as well as the risk of debt moratorium, repudiation or renegotiation, and the fund may be unable to enforce its rights against the issuers. Sovereign debt risk is increased for emerging market issuers. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_USGovernmentSecuritiesRiskMember"
      id="t_56_2fed875f_81e8_961f_0da9_473ce50f7639"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;U.S. government securities risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The fund may hold U.S. government securities that are not guaranteed or backed by the full faith and credit of the U.S. government, such as those issued by Fannie Mae and Freddie Mac. The maximum potential liability of the issuers of some U.S. government &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;obligations may greatly exceed their current resources, including any legal right to support from the U.S. government. In addition, the events surrounding the U.S. federal government debt ceiling and any resulting agreement (and similar political, economic and other developments) could adversely affect the fund&#x2019;s ability to achieve its investment objective. For example, a downgrade of the long-term sovereign credit rating of the U.S. could increase volatility in both stock and bond markets, result in higher interest rates and lower Treasury prices and increase the costs of all kinds of debt. These events and similar events in other areas of the world could have significant adverse effects on the economy generally and could result in significant adverse impacts on issuers of securities held by the fund and the fund itself.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In the past, the values of U.S. government securities have been affected substantially by increased demand for them around the world. Changes in the demand for U.S. government securities may occur at any time and may result in increased volatility in the values of those securities.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_PrepaymentOrCallRiskMember"
      id="t_57_8739c8a8_83fb_7957_33d4_c80cd1eebc08"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Prepayment or call risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Many issuers have a right to prepay their fixed income securities. Issuers may be more likely to prepay their securities if interest rates fall. If this happens, the fund may not benefit from the rise in the market price of the securities that normally accompanies a decline in interest rates, and will be forced to reinvest prepayment proceeds at a time when yields on securities available in the market are lower than the yield on prepaid securities. The fund may also lose any premium it paid to purchase the securities. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_ExtensionRiskMember"
      id="t_58_3bafeb99_0498_00a1_f3c7_62ba02666dc1"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Extension risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; When interest rates rise, repayments of fixed income securities, particularly asset- and mortgage-backed securities, may occur more slowly than anticipated, extending the effective duration of these fixed income securities at below market interest rates and causing their market prices to decline more than they would have declined due to the rise in interest rates alone. This may cause the fund&#x2019;s share price to be more volatile. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_RiskOfInvestingInFewerIssuersMember"
      id="t_59_31efc8a9_71cc_2a93_706e_d4a00c9007df"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Risk of investing in fewer issuers.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;To the extent the fund invests its assets in a small number of issuers, or in issuers in related businesses or that are subject to related operating risks, the fund will be more susceptible to negative events affecting those issuers. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000714Member_ValuationRiskMember"
      id="t_60_e7ab4fc5_e888_03da_3c6e_174a7e258cfb"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Valuation risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The sales price the fund could receive for any particular portfolio investment may differ from the fund&#x2019;s valuation of the investment, particularly for securities that trade in thin or volatile markets or that are valued using a fair value methodology. These differences may increase significantly and affect fund investments more broadly during periods of market volatility. Investors who purchase or redeem fund shares on days when the fund is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the fund had not fair-valued securities or had used a different valuation methodology. The fund&#x2019;s ability to value its investments may be impacted by technological issues and/or errors by pricing services or other third party service providers. The valuation of the fund&#x2019;s investments involves subjective judgment, which may prove to be incorrect. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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      id="t_61_4adaea40_8979_ed69_a905_3514318fa9a7"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #47829e;"&gt;Market events risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The market values of securities or other assets will fluctuate, sometimes sharply and unpredictably, due to factors such as economic events, governmental actions or intervention, actions taken by the U.S. Federal Reserve or foreign central banks, market disruptions caused by trade disputes, labor strikes or other factors, political developments, armed conflicts, economic sanctions and countermeasures in response to sanctions, major cybersecurity events, the global and domestic effects of widespread or local health, weather or climate events, and other factors that may or may not be related to the issuer of the security or other asset. Economies and financial markets throughout the world are increasingly interconnected. Economic, financial or political events, trading and tariff arrangements, public health events, terrorism, wars, natural disasters and other circumstances in one country or region could have profound impacts on global economies or markets. As a result, whether or not the fund invests in securities of issuers located in or with significant exposure to the countries or markets directly affected, the value and liquidity of the fund&#x2019;s investments may be negatively affected. Ongoing or threatened armed conflicts throughout the world have caused and could continue to cause significant market disruptions and volatility. The hostilities and sanctions resulting from those hostilities have and could continue to have a significant impact on certain fund investments as well as fund performance and liquidity. Following Russia&#x2019;s invasion of Ukraine in 2022, Russian stocks lost all, or nearly all, of their market value. Other securities or markets could be similarly affected by past or future geopolitical or other events or conditions. Furthermore, events involving limited liquidity, defaults, non-performance or other adverse developments that affect one industry, such as the financial services industry, or concerns or rumors about any events of these kinds, have in the past and may in the future lead to market-wide liquidity problems, may spread to other industries, and could negatively affect the value and liquidity of the fund&#x2019;s investments. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Raising the ceiling on U.S. government debt has become increasingly politicized. Any failure to increase the total amount that the U.S. government is authorized to borrow could lead to a default on U.S. government obligations, with unpredictable consequences for economies and markets in the U.S. and elsewhere. Recently, inflation and interest rates have been volatile and may increase in the future. These circumstances could adversely affect the value and liquidity of the fund&#x2019;s investments, impair the fund&#x2019;s ability to satisfy redemption requests, and negatively impact the fund&#x2019;s performance.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The United States and other countries are periodically involved in disputes over trade and other matters, which may result in tariffs, investment restrictions and adverse impacts on affected companies and securities or the broader U.S. or global economies. For example, the United States has imposed tariffs and other trade barriers on Chinese exports, has restricted sales of certain categories of goods to China, and has established barriers to investments in China. Trade disputes may adversely affect the economies of the United States and its trading partners, as well as companies directly or indirectly affected and financial markets generally. The United States government has prohibited U.S. persons from investing in Chinese companies designated as related to the Chinese military. These and possible future restrictions could limit the fund&#x2019;s opportunities for investment and require the sale of securities at a loss or make them illiquid. Moreover, the Chinese government is involved in a longstanding dispute with Taiwan that has included threats of invasion. If the political climate between the United States and China does not improve or continues to&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;deteriorate, if China were to attempt unification of Taiwan by force, or if other geopolitical conflicts develop or get worse, economies, markets and individual securities may be severely affected both regionally and globally, and the value of the fund&#x2019;s assets may go down.&lt;/div&gt; </oef:RiskTextBlock>
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      id="h_264_fcc8c70a_cfa4_4b03_98a9_d17ee9ca1c06"
      unitRef="pure">0.0201</oef:AvgAnnlRtrPct>
    <oef:PerformanceTableNarrativeTextBlock
      contextRef="S000000714Member"
      id="t_77_0aa770c2_2f0c_7d04_9eb5_c3d8b926298c"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;No one index is representative of the fund&#x2019;s portfolio.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The after-tax returns are shown only for Class I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor&#x2019;s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns for classes other than Class I will vary from returns shown for Class I.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Important data provider notices and terms are available at www.franklintempletondatasources.com. Such information is subject to change.&lt;/div&gt; </oef:PerformanceTableNarrativeTextBlock>
    <oef:PerformanceTableOneClassOfAfterTaxShown
      contextRef="S000000714Member"
      id="t_76_67bae6c3_1687_f888_d92f_1b234fcda0dd">  The after-tax returns are shown only for Class I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor&#x2019;s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns for classes other than Class I will vary from returns shown for Class I.  </oef:PerformanceTableOneClassOfAfterTaxShown>
    <oef:PerformanceTableUsesHighestFederalRate
      contextRef="S000000714Member"
      id="t_45_58144655_7009_2058_f4a6_bb2147665f55">The after-tax returns are shown only for Class I shares, are calculated using the historical highest individual U.S. federal marginal income tax rates and do not reflect the impact of state and local taxes.</oef:PerformanceTableUsesHighestFederalRate>
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      contextRef="S000000714Member"
      id="t_46_1eec4c0e_89c4_4da0_e95b_3d5d8dfc795f">Actual after-tax returns depend on an investor&#x2019;s tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.</oef:PerformanceTableNotRelevantToTaxDeferred>
    <oef:ObjectiveHeading
      contextRef="S000000715Member"
      id="t_29_5f9b66d5_6ff6_4645_92c4_38da5d5bf9c4"> Investment objective  </oef:ObjectiveHeading>
    <oef:ObjectivePrimaryTextBlock
      contextRef="S000000715Member"
      id="t_30_368df144_933f_420d_8f17_f503ea183ebe"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Maximize total return, consistent with preservation of capital.&lt;/div&gt; </oef:ObjectivePrimaryTextBlock>
    <oef:ExpenseHeading
      contextRef="S000000715Member"
      id="t_31_3bc9d51e_339a_493f_9931_249b5379020e"> Fees and expenses of the fund  </oef:ExpenseHeading>
    <oef:ExpenseNarrativeTextBlock
      contextRef="S000000715Member"
      id="t_32_e03fe9c6_4c1a_4f12_bb19_a214490140da"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The accompanying table describes the fees and expenses that you may pay if you buy, hold and sell shares of the fund. &lt;span style="font-weight: bold;"&gt;You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.&lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in certain funds distributed through Franklin Distributors, LLC (&#x201c;Franklin Distributors&#x201d; or the &#x201c;Distributor&#x201d;), the fund&#x2019;s distributor. More information about these and other discounts is available from your Service Agent, in the fund&#x2019;s Prospectus on page 31 under the heading &#x201c;Additional information about each share class,&#x201d; in the appendix titled &#x201c;Appendix: Waivers and Discounts Available from Certain Service Agents&#x201d; on page A-1 of the fund&#x2019;s Prospectus and in the fund&#x2019;s Statement of Additional Information (&#x201c;SAI&#x201d;) on page 90 under the heading &#x201c;Sales Charge Waivers and Reductions for Class&#160;A Shares.&#x201d; &#x201c;Service Agents&#x201d; include banks, brokers, dealers, insurance companies, investment advisers, financial consultants or advisers, mutual fund supermarkets and other financial intermediaries that have entered into an agreement with the Distributor to sell shares of the fund.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;If you purchase Class I shares or Class IS shares through a Service Agent acting solely as an agent on behalf of its customers, that Service Agent may charge you a commission. Such commissions, if any, are not charged by the fund and are not reflected in the fee table or expense example below.&lt;/div&gt; </oef:ExpenseNarrativeTextBlock>
    <oef:ExpenseBreakpointDiscounts
      contextRef="S000000715Member"
      id="t_43_75159f88_6e14_0d1c_0590_f78b99e04aae">You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in certain funds distributed through Franklin Distributors, LLC (&#x201c;Franklin Distributors&#x201d; or the &#x201c;Distributor&#x201d;), the fund&#x2019;s distributor.</oef:ExpenseBreakpointDiscounts>
    <oef:ExpenseBreakpointMinimumInvestmentRequiredAmount
      contextRef="S000000715Member"
      decimals="INF"
      id="h_265_3365c7b9_90d4_427a_9ca5_26a4958451a9"
      unitRef="USD">100000</oef:ExpenseBreakpointMinimumInvestmentRequiredAmount>
    <oef:ShareholderFeesCaption
      contextRef="S000000715Member"
      id="t_44_b61d6f3e_f547_75c6_2190_4c7233d0857e">Shareholder fees(fees paid directly from your investment)</oef:ShareholderFeesCaption>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_388_a5a09032_caf8_e791_16aa_b7667def68d9"
      unitRef="pure">0.0375</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_389_aee55355_ccca_be8c_8f64_3f77f13cd75d"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_390_cc1394a8_e52f_401a_2eb0_9a654db4c99e"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_391_f801f0d6_a920_fb6b_af02_0d08f7e7e537"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_392_f465de36_5e08_49f0_2ea2_7fdfa5fcf996"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_393_ebbe3c40_af6f_e6b8_caec_0415c64f3782"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_394_3b716680_91bb_d5ce_013d_8bb4f6b78209"
      unitRef="pure">0</oef:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_266_0591751f_d2a4_4c42_80f5_b047a6fc62ef"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_267_ef4b262a_3686_44cf_8335_6372b45760a0"
      unitRef="pure">0.0100</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_268_47e29ff3_8cc3_4d69_b3ee_d7ce08055ca5"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_269_7b0c3505_0c0e_4048_b107_b74937f08bbf"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_270_c5bcd94d_6efe_4b70_959b_d394563fac0c"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_271_384b2425_93fa_490c_b445_6349d67bcd29"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumDeferredSalesChargeOverOther
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_272_0c9299fe_23f4_4a70_bbe2_04af356fef2f"
      unitRef="pure">0</oef:MaximumDeferredSalesChargeOverOther>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_273_5414d778_86d2_4587_8927_0d0f31298d88"
      unitRef="USD">15</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_274_4cb7941c_0650_4fd3_9b96_d88bb8008bb1"
      unitRef="USD">15</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_275_9ac86476_ab3b_43e1_86be_7f28c2594d92"
      unitRef="USD">15</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_276_4dbdcd0a_965f_4dec_bf53_285d26e4b817"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_277_4564aff8_ccb7_4abe_923e_89ef54388f26"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_278_f0ff9681_466d_4590_af0d_d9f621543556"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:MaximumAccountFee
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_279_5a6f8220_aa5d_4add_9124_4e2ff49c6a98"
      unitRef="USD">0</oef:MaximumAccountFee>
    <oef:OperatingExpensesCaption
      contextRef="S000000715Member"
      id="t_34_7c110278_cfea_4519_8a73_585f182469f6">Annual fund operating expenses (%)(expenses that you pay each year as a percentage of the value of your investment)</oef:OperatingExpensesCaption>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_280_4a2972ac_b75c_4b5a_8d89_874b3d5d6db2"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_281_50935ee5_4ecd_4818_9ca2_ca623b1de73b"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_282_e6432b2c_8cbc_4387_9fbf_8c8066937e29"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_283_2d17068d_5bcd_447d_8f05_b313459c611f"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_284_1c729fb1_94a5_40b9_b01d_b672c740475e"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_285_5d5a1047_bdd3_40c5_af40_e5507db17d36"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:ManagementFeesOverAssets
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_286_1aeb8070_b3ef_4e39_a319_df0b5cc6c6b9"
      unitRef="pure">0.0020</oef:ManagementFeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_287_215b35b5_5670_4d2f_afa8_b8f8ae696a03"
      unitRef="pure">0.0025</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_288_4589d0ec_cb4f_43b3_a78a_ad2f8a2a27a8"
      unitRef="pure">0.0100</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_289_6f355695_8c76_457e_9dd0_5295fc7b3b34"
      unitRef="pure">0.0075</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_290_62eb9e5e_ea6c_4bd0_b722_228991b7f6e0"
      unitRef="pure">0.0025</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_291_8e7d71f7_c68d_4d13_b5c5_9aed500774b3"
      unitRef="pure">0.0050</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_292_a2360431_a51a_4c7a_85f2_419ac5a13a45"
      unitRef="pure">0</oef:DistributionAndService12b1FeesOverAssets>
    <oef:DistributionAndService12b1FeesOverAssets
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_293_3c1821de_0fda_434a_b4b2_0ce8d9c568af"
      unitRef="pure">0</oef:DistributionAndService12b1FeesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_294_6e61839a_364d_43f0_a352_a56896718d31"
      unitRef="pure">0.0067</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_295_0bbc1973_e3c6_41e5_bc7d_2a0b83438de7"
      unitRef="pure">0.0071</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_296_2812ea6e_3467_47aa_b8ee_4edc1cb4b832"
      unitRef="pure">0.1648</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_297_20bc4308_4552_4aae_a080_073ea55c2eca"
      unitRef="pure">0.0079</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_298_277d74b5_8899_4645_b35c_3c55cd6c4b2f"
      unitRef="pure">0.0105</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_299_d03d304d_4657_423d_bbcc_fcd8e478082c"
      unitRef="pure">0.0068</oef:OtherExpensesOverAssets>
    <oef:OtherExpensesOverAssets
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_300_69258424_8ea3_4b46_99e1_f54c4eca5ebb"
      unitRef="pure">0.0057</oef:OtherExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_301_35999237_7e30_4d0a_8637_738fb223a187"
      unitRef="pure">0.0112</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_302_ed693f72_c7a6_4b5d_9f08_be43b9b22cd7"
      unitRef="pure">0.0191</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_303_e181a21c_96af_4a79_84d8_320db138235a"
      unitRef="pure">0.1743</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_304_ac929fbb_2b7c_4dc2_a9ce_10e18201947b"
      unitRef="pure">0.0124</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_305_1074f99c_d6dd_49e2_ac9b_0b995310d6b5"
      unitRef="pure">0.0175</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_306_31cd3326_0163_4300_bd27_fe409b8803f0"
      unitRef="pure">0.0088</oef:ExpensesOverAssets>
    <oef:ExpensesOverAssets
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_307_3e889037_1272_4397_a31a_74551cdb3647"
      unitRef="pure">0.0077</oef:ExpensesOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_308_ea83a79d_f137_4b17_9142_22ac1faeda11"
      unitRef="pure">-0.0022</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_309_f56343f7_4298_4e02_a39e_e9a498307579"
      unitRef="pure">-0.0026</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_310_b9205ee0_8e5a_4d1e_9cdb_f0030b07b66e"
      unitRef="pure">-0.1603</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_311_67860d2e_8f2a_4d91_adf2_31fb8d3cc154"
      unitRef="pure">-0.0039</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:FeeWaiverOrReimbursementOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_312_44b442da_2e18_4768_82f3_4c0af779bac2"
      unitRef="pure">-0.0060</oef:FeeWaiverOrReimbursementOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000113707Member"
      decimals="4"
      id="h_315_43594fb2_fb12_4467_9b9b_d9d440e9f3e4"
      unitRef="pure">0.0090</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000113708Member"
      decimals="4"
      id="h_316_c1955586_aa3b_450a_94f8_b4e11358b94e"
      unitRef="pure">0.0165</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000117036Member"
      decimals="4"
      id="h_317_05fdfc4c_a874_462a_9c71_ee22e632f9c3"
      unitRef="pure">0.0140</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000002083Member"
      decimals="4"
      id="h_318_5e67058a_305c_4df3_ab52_818455bf46a4"
      unitRef="pure">0.0085</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000113709Member"
      decimals="4"
      id="h_319_8cae671a_40bb_408c_91a4_52466c116d93"
      unitRef="pure">0.0115</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000002084Member"
      decimals="4"
      id="h_320_d483a4e2_4818_4b5f_b6c7_2fd74cad7c3e"
      unitRef="pure">0.0088</oef:NetExpensesOverAssets>
    <oef:NetExpensesOverAssets
      contextRef="S000000715Member_C000066990Member"
      decimals="4"
      id="h_321_b30ff155_2448_4d62_82b1_c7cf1c9701db"
      unitRef="pure">0.0077</oef:NetExpensesOverAssets>
    <oef:ExpensesDeferredChargesTextBlock
      contextRef="S000000715Member"
      id="t_45_4b449978_cac5_6098_7117_ad230d731379">You may buy Class&#160;A shares in amounts of $500,000 or more at net asset value (without an initial sales charge), but if you redeem those shares within 18 months of their purchase, you will pay a contingent deferred sales charge of 1.00%.</oef:ExpensesDeferredChargesTextBlock>
    <oef:FeeWaiverOrReimbursementOverAssetsDateOfTermination
      contextRef="S000000715Member"
      id="t_46_780ef2f7_5a86_2eac_ed29_da8a28965bb8">December&#160;31, 2027</oef:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
    <oef:ExpenseExampleHeading
      contextRef="S000000715Member"
      id="t_35_bf7819d4_b595_4c40_b5ab_53669feae334"> Example  </oef:ExpenseExampleHeading>
    <oef:ExpenseExampleNarrativeTextBlock
      contextRef="S000000715Member"
      id="t_36_fb999ca1_a880_4446_9a02_5bc6c9d9208e"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes:&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You invest $10,000 in the fund for the time periods indicated&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;Your investment has a 5% return each year and the fund&#x2019;s operating expenses remain the same (except that any applicable fee waiver or expense reimbursement is reflected only through its expiration date)&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;You reinvest all distributions and dividends without a sales charge&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Although your actual costs may be higher or lower, based on these assumptions your costs would be:&lt;/div&gt; </oef:ExpenseExampleNarrativeTextBlock>
    <oef:ExpenseExampleByYearCaption
      contextRef="S000000715Member"
      id="t_47_9141ebdb_4f63_a80a_4f83_a3613be24597">Number of years you own your shares ($)</oef:ExpenseExampleByYearCaption>
    <oef:ExpenseExampleNoRedemptionByYearCaption
      contextRef="S000000715Member"
      id="t_84_f18d40a2_1f39_d63a_71e5_e4f77207c955">Number of years you own your shares ($)</oef:ExpenseExampleNoRedemptionByYearCaption>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_322_7a7546c9_e87d_4ce1_b70a_dd8d961658f6"
      unitRef="USD">463</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_395_9d8714e4_5d68_3216_75dd_b82b2758a538"
      unitRef="USD">463</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_323_16a79d12_d60f_4fc4_9fbc_d49dead7e476"
      unitRef="USD">696</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_396_0d5ab00a_9304_6af4_8f2a_b447319df313"
      unitRef="USD">696</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_324_3fc3267b_cb38_49ef_91a4_f28fe24ec2e5"
      unitRef="USD">947</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_397_0a2f92c6_3957_df85_8c48_ffd2fe1045b2"
      unitRef="USD">947</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_325_09ae97cf_051a_4f96_a044_6900677dd6e2"
      unitRef="USD">1666</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000113707Member"
      decimals="INF"
      id="h_398_c5e9aa6f_0566_480e_294f_8c928310c3b5"
      unitRef="USD">1666</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_326_dd715301_19ac_41e5_aedc_62923c2f0798"
      unitRef="USD">268</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_327_e772ec7e_a45f_46f3_8a06_25839935aaac"
      unitRef="USD">575</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_328_b84283be_955c_4bbc_8b9b_9fe44e4c8949"
      unitRef="USD">1008</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_329_547ae77a_b4d8_4db0_8f46_c4101b494e91"
      unitRef="USD">2006</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_330_436d747d_c038_4221_a256_4aa5e9d2e4b0"
      unitRef="USD">168</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_331_032ba101_3880_49a0_9ee3_aad1a1a1f929"
      unitRef="USD">575</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_332_8eb31980_d92f_4781_9692_24cbc3598ebc"
      unitRef="USD">1008</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000113708Member"
      decimals="INF"
      id="h_333_5111a58e_ec31_42ba_bfbb_8c34a22d17ef"
      unitRef="USD">2006</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_334_838bdd6f_6141_4478_91d6_7f245fe0578b"
      unitRef="USD">143</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_399_4665f530_7114_a9fd_4fce_0cd406cb2ec7"
      unitRef="USD">143</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_335_9c3cec01_6349_41a3_8285_8e428fedbff9"
      unitRef="USD">3320</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_400_bd2002c9_c9d6_c1a1_59a9_f5e1ea323cb5"
      unitRef="USD">3320</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_336_6830206f_95fc_4721_90cd_36defe90f5de"
      unitRef="USD">5756</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_401_b008adc1_8c37_ef48_ecc7_0be330357953"
      unitRef="USD">5756</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_337_826766d5_7c77_4cd1_b1f4_faa8a5975879"
      unitRef="USD">8484</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000117036Member"
      decimals="INF"
      id="h_402_5975c4e7_dc17_76eb_0529_73f6d2104fd3"
      unitRef="USD">8484</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_338_157b71a9_bac5_4596_adb5_8ccb95baea82"
      unitRef="USD">87</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_403_f18cb1b2_3c81_6363_6cd5_87cafa6a8636"
      unitRef="USD">87</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_339_5e71062d_edb3_4c94_97ce_0fbe846f0c52"
      unitRef="USD">356</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_404_8e04e603_6a7b_29bf_d94a_e6ded1fb13a4"
      unitRef="USD">356</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_340_c61c4c24_1da8_4b78_a540_02e371ad5911"
      unitRef="USD">645</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_405_423ca3f7_132c_7cf9_a775_58158275c3d8"
      unitRef="USD">645</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_341_1dfb311e_bf96_4f6f_83b2_602fb57f1bd9"
      unitRef="USD">1467</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000002083Member"
      decimals="INF"
      id="h_406_aadc8ccc_6efa_8384_0389_3c284adf1879"
      unitRef="USD">1467</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_342_bb775183_b617_45c0_bddc_f11569fa3781"
      unitRef="USD">117</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_407_2c71a35a_726b_88a5_bd41_1a9a9cee21e9"
      unitRef="USD">117</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_343_92306e3d_e62f_4dd3_98a3_3cbfc8ca46d4"
      unitRef="USD">493</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_408_2c0305fc_0f12_6c8f_2a03_9f02f9682bb7"
      unitRef="USD">493</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_344_a9e53234_c667_419f_8b39_e37fac02490d"
      unitRef="USD">893</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_409_3ed547c0_24ed_e6ed_70cf_84f878fa7782"
      unitRef="USD">893</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_345_55adccd7_04df_4d00_946f_74acd017b7e1"
      unitRef="USD">2014</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000113709Member"
      decimals="INF"
      id="h_410_35ece6a1_a072_ded2_14f4_8140cf7a2180"
      unitRef="USD">2014</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_346_ce95d9aa_de84_4afe_b8f4_1c2463ce9571"
      unitRef="USD">90</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_411_193d31e1_7cac_c738_ea83_815892e0b64d"
      unitRef="USD">90</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_347_adfd13b1_09a6_4b06_9dd9_8568b346bba6"
      unitRef="USD">281</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_412_94ececa9_dd63_5e6b_9632_2d06b95d658b"
      unitRef="USD">281</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_348_2d9ad5f2_96b1_4f74_a636_6f0d5bebbf13"
      unitRef="USD">488</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_413_fd0045de_8d7b_f819_49c4_7dbdccd39a55"
      unitRef="USD">488</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_349_d6efc790_e758_46fd_87b9_e562f489840d"
      unitRef="USD">1084</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000002084Member"
      decimals="INF"
      id="h_414_cac60b03_27fa_fac6_608e_0c30c86d8219"
      unitRef="USD">1084</oef:ExpenseExampleNoRedemptionYear10>
    <oef:ExpenseExampleYear01
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_350_c53418d8_590d_432a_94e8_28ffff5e978a"
      unitRef="USD">79</oef:ExpenseExampleYear01>
    <oef:ExpenseExampleNoRedemptionYear01
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_415_435c7148_5ad7_d8a6_6312_18e6d27267bf"
      unitRef="USD">79</oef:ExpenseExampleNoRedemptionYear01>
    <oef:ExpenseExampleYear03
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_351_71a13f6f_4680_4907_91e2_13ac83504619"
      unitRef="USD">246</oef:ExpenseExampleYear03>
    <oef:ExpenseExampleNoRedemptionYear03
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_416_6347b528_a559_facd_6211_776d9519cbe4"
      unitRef="USD">246</oef:ExpenseExampleNoRedemptionYear03>
    <oef:ExpenseExampleYear05
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_352_060b1de8_03b2_4b72_af1a_d537eee56992"
      unitRef="USD">428</oef:ExpenseExampleYear05>
    <oef:ExpenseExampleNoRedemptionYear05
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_417_1aebbf7b_22a9_3fb4_bf73_b84f197c6b65"
      unitRef="USD">428</oef:ExpenseExampleNoRedemptionYear05>
    <oef:ExpenseExampleYear10
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_353_0fae2bdc_7518_4c6c_bfa8_2979b2c8e286"
      unitRef="USD">955</oef:ExpenseExampleYear10>
    <oef:ExpenseExampleNoRedemptionYear10
      contextRef="S000000715Member_C000066990Member"
      decimals="INF"
      id="h_418_13262619_bf8c_6f08_bd4f_16f16e2c7a5b"
      unitRef="USD">955</oef:ExpenseExampleNoRedemptionYear10>
    <oef:PortfolioTurnoverHeading
      contextRef="S000000715Member"
      id="t_48_1b4c34e4_07a7_170e_83ea_663246e90e83">Portfolio turnover.</oef:PortfolioTurnoverHeading>
    <oef:PortfolioTurnoverTextBlock
      contextRef="S000000715Member"
      id="t_49_b1394a8d_6d71_4c37_a2ec_4bb11b639a18">The fund pays transaction costs, such as commissions, when it buys and sells securities (or &#x201c;turns over&#x201d; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the fund&#x2019;s performance.&#160;During the most recent fiscal year, the fund&#x2019;s portfolio turnover rate was 41% of the average value of its portfolio.</oef:PortfolioTurnoverTextBlock>
    <oef:PortfolioTurnoverRate
      contextRef="S000000715Member"
      decimals="4"
      id="h_354_86148108_4df8_4f84_a2f9_ddf291895729"
      unitRef="pure">0.41</oef:PortfolioTurnoverRate>
    <oef:StrategyHeading
      contextRef="S000000715Member"
      id="t_37_f07dd415_6182_4905_adac_306aa4bd4198"> Principal investment strategies  </oef:StrategyHeading>
    <oef:StrategyNarrativeTextBlock
      contextRef="S000000715Member"
      id="t_38_b31f4289_38a3_447c_8e94_a23263eece23"> &lt;div style="margin-top: 2pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Under normal market conditions, the fund invests at least 80% of its net assets, including the amount of borrowing for investment purposes, if any, in inflation-indexed fixed income securities and at least 70% of its net assets in U.S. Treasury Inflation Protected Securities.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The subadvisers use fundamental investment techniques to select issues. Although the fund may invest in securities of any maturity, the fund normally expects to maintain a dollar-weighted average effective duration, as estimated by the fund&#x2019;s subadvisers, within 3 years of that of its benchmark, the Bloomberg U.S. Treasury: U.S. TIPS. Effective duration seeks to measure the expected sensitivity of market price to changes in interest rates, taking into account the anticipated effects of structural complexities (for example, some bonds can be prepaid by the issuer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund may sell protection in connection with credit default swaps relating to corporate debt securities. It is currently expected that the notional amount of the credit default swaps will not exceed 40% of the fund&#x2019;s net assets, although such exposure may exceed 40% from time to time.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund is expected to maintain a dollar-weighted average credit quality of at least A/A.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In addition, under normal market conditions, at the time of purchase:&lt;/div&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 20% of the fund&#x2019;s net assets may be invested in non-U.S. dollar denominated inflation-indexed securities&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 10% of the fund&#x2019;s net assets may be invested in un-hedged non-U.S. dollar denominated securities&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 20% of the fund&#x2019;s net assets may be invested in a combination of securities rated below investment grade, emerging market securities and loan participations and assignments&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 10% of the fund&#x2019;s net assets may be invested in securities rated below investment grade&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 10% of the fund&#x2019;s net assets may be invested in emerging market securities&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;
&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; font-family: arial; font-size: 10pt; border-spacing: 0px; width: 100%;"&gt;
&lt;tr style="page-break-inside: avoid;"&gt;
&lt;td style="width: 1%; vertical-align: top; text-align: left;"&gt;&lt;span style="font-family: times new roman; font-size: 7pt;"&gt;&#x2022;&lt;/span&gt;&lt;/td&gt;
&lt;td style="width: 1%; vertical-align: top;"&gt;&#160;&lt;/td&gt;
&lt;td style="vertical-align: top; text-align: left;"&gt; &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-family: arial; font-size: 10pt; text-align: left;"&gt;no more than 10% of the fund&#x2019;s net assets may be invested in loan participations and assignments&lt;/div&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund considers a security to be rated below investment grade if it is not rated in the Baa/BBB categories or above by at least one Nationally Recognized Statistical Rating Organization (&#x201c;NRSRO&#x201d;) or is unrated and of comparable quality as determined by the subadvisers. Securities rated below investment grade are commonly known as &#x201c;junk bonds&#x201d; or &#x201c;high yield securities.&#x201d;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The fund may also enter into various exchange-traded and over-the-counter derivative transactions for both hedging and non-hedging purposes, including for purposes of enhancing returns. These derivative transactions include, but are not limited to, futures, options, swaps, foreign currency futures and forwards.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In particular, the fund may use interest rate swaps, credit default swaps (including buying and selling credit default swaps on individual securities and/or baskets of securities), options (including options on credit default swaps) and futures contracts to a significant extent, although the amounts invested in these instruments may change from time to time. Other instruments may also be used to a significant extent from time to time.&lt;/div&gt; </oef:StrategyNarrativeTextBlock>
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      id="t_63_4978a4d2_4217_3cdc_30c6_0ff1777c0f8c">You may lose part or all of your investment in the fund or your investment may not perform as well as other similar investments.</oef:RiskTextBlock>
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      contextRef="D20251231_20251231_S000000715Member_RiskNotInsuredDepositoryInstitutionMember"
      id="t_64_035957d6_a32c_c390_39c9_061122a5bcad">An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or by any bank or government agency.</oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_MarketAndInterestRateRiskMember"
      id="t_65_bcec7406_02a8_dfef_6136_25d4cd810e40"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Market and interest rate risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The market prices of securities held by the fund may go up or down, sometimes rapidly or unpredictably. If the market prices of the fund&#x2019;s securities fall, the value of your investment in the fund will decline. The market price of a security may fall due to general market conditions, such as real or perceived adverse economic or political conditions or trends, tariffs and trade disruptions, inflation, substantial economic downturn or recession, changes in interest rates, lack of liquidity in the bond markets or adverse investor sentiment. Changes in market conditions will not typically have the same impact on all types of securities. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of your investment will generally go down when interest rates rise. A rise in rates tends to have a greater impact on the prices of longer term or duration securities. A general rise in interest rates may cause investors to move out of fixed income securities on a large scale, which could adversely affect the price and liquidity of fixed income securities and could also result in increased redemptions from the fund. Recently, there have been inflationary price movements. As a result, fixed income securities markets may experience heightened levels of interest rate volatility and liquidity risk. The U.S. government and the U.S. Federal Reserve, as well as certain foreign governments and central banks, have from time to time taken steps to support financial markets. The U.S. government and the U.S. Federal Reserve may, conversely, reduce market support activities. This and other government intervention may not work as intended, particularly if the efforts are perceived by investors as being unlikely to achieve the desired results. Changes in government activities in this regard, such as changes in interest rate policy, can negatively affect financial markets generally, increase market volatility and reduce the value and liquidity of securities in which the fund invests.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The maturity of a security may be significantly longer than its duration. A security&#x2019;s maturity and other features may be more relevant than its duration in determining the security&#x2019;s sensitivity to other factors affecting the issuer or markets generally such as changes in credit quality or in the yield premium that the market may establish for certain types of securities.&lt;/div&gt; </oef:RiskTextBlock>
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      contextRef="D20251231_20251231_S000000715Member_CreditRiskMember"
      id="t_66_3bad2a81_115c_1adc_32a4_199694d1f6d8"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Credit risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;If an issuer or guarantor of a security held by the fund or a counterparty to a financial contract with the fund defaults or its credit is downgraded, or is perceived to be less creditworthy, or if the value of the assets underlying a security declines, the value of your investment will typically decline. Changes in actual or perceived creditworthiness may occur quickly. The fund could be delayed or hindered in its enforcement of rights against an issuer, guarantor or counterparty. Subordinated securities (meaning securities that rank below other securities with respect to claims on the issuer&#x2019;s assets) are more likely to suffer a credit loss than non-subordinated securities of the same issuer and will be disproportionately affected by a default, downgrade or perceived decline in creditworthiness. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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      contextRef="D20251231_20251231_S000000715Member_HighYieldJunkBondsRiskMember"
      id="t_67_d1f0581a_5871_d7b9_252b_87d884ecfce8"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;High yield (&#x201c;junk&#x201d;) bonds risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;High yield bonds are generally subject to greater credit risks than higher-grade bonds, including the risk of default on the payment of interest or principal.&#160;High yield bonds are considered speculative, typically have lower liquidity and are more difficult to value than higher grade bonds. High yield bonds tend to be volatile and more susceptible to adverse events, credit downgrades and negative sentiments and may be difficult to sell at a desired price, or at all, during periods of uncertainty or market turmoil. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_DerivativesRisksMember"
      id="t_68_1a62413f_b81d_057e_c15d_3ebdc494f6e5"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Derivatives risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Using derivatives can increase fund losses and reduce opportunities for gains, such as when market prices, interest rates, currencies, or the derivatives themselves behave in a way not anticipated by the fund&#x2019;s subadviser.&#160;Using derivatives also can have a leveraging effect and increase fund volatility. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment. Derivatives may not be available at the time or price desired, may be difficult to sell, unwind or value, and the counterparty may default on its obligations to the fund. Derivatives are generally subject to the risks applicable to the assets, rates, indices or other indicators underlying the derivative. The value of a derivative may fluctuate more than the underlying assets, rates, indices or other indicators to which it relates. Use of derivatives may have different tax consequences for the fund than an investment in the underlying asset, and those differences may affect the amount, timing and character of income distributed to shareholders. The U.S. government and non-U.S. governments have adopted and implemented regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements. The ultimate &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;impact of the regulations remains unclear. Additional regulation of derivatives may make derivatives more costly, limit their availability or utility, otherwise adversely affect their performance or disrupt markets.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Credit default swap contracts involve heightened risks and may result in losses to the fund. Credit default swaps may be illiquid and difficult to value. When the fund sells credit protection via a credit default swap, credit risk increases since the fund has exposure to both the issuer whose credit is the subject of the swap and the counterparty to the swap.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_LeverageRiskMember"
      id="t_69_24168272_b7e8_caa1_4fe3_d26910b71b2e"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Leverage risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The value of your investment may be more volatile if the fund borrows or uses instruments, such as derivatives, that have a leveraging effect on the fund&#x2019;s portfolio.&#160;Other risks described in the Prospectus also will be compounded because leverage generally magnifies the effect of a change in the value of an asset and creates a risk of loss of value on a larger pool of assets than the fund would otherwise have had.&#160;The fund may also have to sell assets at inopportune times to satisfy its obligations created by the use of leverage or derivatives. The use of leverage is considered to be a speculative investment practice and may result in the loss of a substantial amount, and possibly all, of the fund&#x2019;s assets. In addition, the fund&#x2019;s portfolio will be leveraged if it exercises its right to delay payment on a redemption, and losses will result if the value of the fund&#x2019;s assets declines between the time a redemption request is deemed to be received by the fund and the time the fund liquidates assets to meet redemption requests. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_IlliquidityRiskMember"
      id="t_70_616b6cc9_7370_ad06_3c22_f949f4c1d44a"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Illiquidity risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Some assets held by the fund may be or become impossible or difficult to sell and some assets that the fund wants to invest in may be impossible or difficult to purchase, particularly during times of market turmoil or due to adverse changes in the conditions of a particular issuer. These illiquid assets may also be volatile and difficult to value. Markets may become illiquid quickly. Markets may become illiquid when, for instance, there are few, if any, interested buyers or sellers or when dealers are unwilling or unable to make a market for certain securities. As a general matter, dealers have been less willing to make markets in recent years. Federal banking regulations may also cause certain dealers to reduce their inventories of certain securities, which may further decrease the fund&#x2019;s ability to buy or sell such securities. During times of market turmoil, there have been, and may be, no buyers or sellers for securities in entire asset classes. If the fund is forced to sell an illiquid asset to meet redemption requests or other cash needs, or to try to limit losses, the fund may be forced to sell at a substantial loss or may not be able to sell at all. The fund may not receive its proceeds from the sale of certain securities for an extended period (for example, several weeks or even longer). &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_ForeignInvestmentsAndEmergingMarketsRiskMember"
      id="t_71_c556c1e6_625d_250e_e49a_ecfe3eefe937"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Foreign investments and emerging markets risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The fund&#x2019;s investments in securities of foreign issuers or issuers with significant exposure to foreign markets involve additional risk as compared to investments in U.S. securities or issuers with predominantly U.S. exposure, such as less liquid, less transparent, less regulated and more volatile markets. The value of the fund&#x2019;s investments may decline because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable or unsuccessful government actions, reduction of government or central bank support, inadequate accounting standards and auditing and financial recordkeeping requirements, lack of information, political, economic, financial or social instability, terrorism, armed conflicts and other geopolitical events, and the impact of tariffs and other restrictions on trade or economic sanctions. Geopolitical or other events such as nationalization or expropriation could even cause the loss of the fund&#x2019;s entire investment in one or more countries. &lt;/span&gt;&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;In addition, there may be significant obstacles to obtaining information necessary for investigations into or litigation against issuers located in or operating in certain foreign markets, particularly emerging market countries, and shareholders may have limited legal remedies.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The value of investments in securities denominated in foreign currencies increases or decreases as the rates of exchange between those currencies and the U.S. dollar change.&#160;Currency conversion costs and currency fluctuations could erase investment gains or add to investment losses. Currency exchange rates can be volatile, and are affected by factors such as general economic and political conditions, the actions of the U.S. and foreign governments or central banks, the imposition of currency controls and speculation. The fund may be unable or may choose not to hedge its foreign currency exposure.&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;Less developed markets are more likely to experience problems with the clearing and settling of trades and the holding of securities by local banks, agents and depositories. Settlement of trades in these markets can take longer than in other markets and the fund may not receive its proceeds from the sale of certain securities for an extended period (possibly several weeks or even longer).&lt;/div&gt;  &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;The risks of foreign investments are heightened when investing in issuers in emerging market countries. Emerging market countries tend to have economic, political and legal systems that are less developed and are less stable than those of more developed countries. Their economies tend to be less diversified than those of more developed countries. They typically have fewer medical and economic resources than more developed countries, and thus they may be less able to control or mitigate the effects of a pandemic or a natural disaster. They are often particularly sensitive to market movements because their market prices tend to reflect speculative expectations.&#160;Low trading volumes may result in a lack of liquidity and in extreme price volatility.&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_SovereignDebtRiskMember"
      id="t_72_f85a8768_f0d6_1e7b_acf9_45242371146c"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Sovereign debt risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Sovereign government and supranational debt involve many of the risks of foreign and emerging markets investments as well as the risk of debt moratorium, repudiation or renegotiation, and the fund may be unable to enforce its rights against the issuers. Sovereign debt risk is increased for emerging market issuers. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_PrepaymentOrCallRiskMember"
      id="t_73_9fbcc2ae_3223_22b0_3b5a_6d2f77f9c7df"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Prepayment or call risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; Many issuers have a right to prepay their fixed income securities. Issuers may be more likely to prepay their securities if interest rates fall. If this happens, the fund may not benefit from the rise in the market price of the securities that normally accompanies a decline in interest rates, and will be forced to reinvest prepayment proceeds at a time when yields on securities available in the market are lower than the yield on prepaid securities. The fund may also lose any premium it paid to purchase the securities. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_ExtensionRiskMember"
      id="t_74_e1d7909c_ea2e_952e_9c89_dc88d2fc4f0b"> &lt;div style="margin-top: 0pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Extension risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; When interest rates rise, repayments of fixed income securities may occur more slowly than anticipated, extending the effective duration of these fixed income securities at below market interest rates and causing their market prices to decline more than they would have declined due to the rise in interest rates alone. This may cause the fund&#x2019;s share price to be more volatile. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_RiskOfInvestingInFewerIssuersMember"
      id="t_75_26c20f86_af04_860b_7faa_ebe764da1049"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Risk of investing in fewer issuers.&lt;/span&gt;&lt;span style="font-family: arial;"&gt;&#160;To the extent the fund invests its assets in a small number of issuers, or in issuers in related businesses or that are subject to related operating risks, the fund will be more susceptible to negative events affecting those issuers. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
    <oef:RiskTextBlock
      contextRef="D20251231_20251231_S000000715Member_ValuationRiskMember"
      id="t_76_f7bdd693_b16a_bd45_9709_b480917bab16"> &lt;div style="margin-top: 8pt; margin-bottom: 0pt; font-size: 10pt; font-family: arial;"&gt;&lt;span style="font-family: arial; font-size: 10pt; color: #0e7dc0;"&gt;Valuation risk.&lt;/span&gt;&lt;span style="font-family: arial;"&gt; The sales price the fund could receive for any particular portfolio investment may differ from the fund&#x2019;s valuation of the investment, particularly for securities that trade in thin or volatile markets or that are valued using a fair value methodology. These differences may increase significantly and affect fund investments more broadly during periods of market volatility. Investors who purchase or redeem fund shares on days when the fund is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the fund had not fair-valued securities or had used a different valuation methodology. The fund&#x2019;s ability to value its investments may be impacted by technological issues and/or errors by pricing services or other third party service providers. The valuation of the fund&#x2019;s investments involves subjective judgment, which may prove to be incorrect. &lt;/span&gt;&lt;/div&gt; </oef:RiskTextBlock>
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