3.20.2 html 217 168 1 true 150 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information {Elements} Sheet http://www.usaa.com/role/DocumentDocumentandEntityInformationElements Document and Entity Information 1 false true R2.htm 000011 - Document - Risk/Return Summary {Unlabeled} - Tax Exempt Long-Term Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledTaxExemptLong-TermFund Risk/Return Summary- Tax Exempt Long-Term Fund 2 false false R8.htm 000019 - Disclosure - Risk/Return Detail Data {Elements} - Tax Exempt Long-Term Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsTaxExemptLong-TermFund Risk/Return Detail Data- Tax Exempt Long-Term Fund 3 false true R9.htm 000021 - Document - Risk/Return Summary {Unlabeled} - Tax Exempt Intermediate-Term Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledTaxExemptIntermediate-TermFund Risk/Return Summary- Tax Exempt Intermediate-Term Fund 4 false false R15.htm 000029 - Disclosure - Risk/Return Detail Data {Elements} - Tax Exempt Intermediate-Term Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsTaxExemptIntermediate-TermFund Risk/Return Detail Data- Tax Exempt Intermediate-Term Fund 5 false true R16.htm 000031 - Document - Risk/Return Summary {Unlabeled} - Tax Exempt Short-Term Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledTaxExemptShort-TermFund Risk/Return Summary- Tax Exempt Short-Term Fund 6 false false R22.htm 000039 - Disclosure - Risk/Return Detail Data {Elements} - Tax Exempt Short-Term Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsTaxExemptShort-TermFund Risk/Return Detail Data- Tax Exempt Short-Term Fund 7 false true R23.htm 000041 - Document - Risk/Return Summary {Unlabeled} - Tax Exempt Money Market Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledTaxExemptMoneyMarketFund Risk/Return Summary- Tax Exempt Money Market Fund 8 false false R29.htm 000049 - Disclosure - Risk/Return Detail Data {Elements} - Tax Exempt Money Market Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsTaxExemptMoneyMarketFund Risk/Return Detail Data- Tax Exempt Money Market Fund 9 false true R30.htm 000051 - Document - Risk/Return Summary {Unlabeled} - California Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledCaliforniaBondFund Risk/Return Summary- California Bond Fund 10 false false R36.htm 000059 - Disclosure - Risk/Return Detail Data {Elements} - California Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsCaliforniaBondFund Risk/Return Detail Data- California Bond Fund 11 false true R37.htm 000061 - Document - Risk/Return Summary {Unlabeled} - New York Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledNewYorkBondFund Risk/Return Summary- New York Bond Fund 12 false false R43.htm 000069 - Disclosure - Risk/Return Detail Data {Elements} - New York Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsNewYorkBondFund Risk/Return Detail Data- New York Bond Fund 13 false true R44.htm 000071 - Document - Risk/Return Summary {Unlabeled} - Virginia Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledVirginiaBondFund Risk/Return Summary- Virginia Bond Fund 14 false false R50.htm 000079 - Disclosure - Risk/Return Detail Data {Elements} - Virginia Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsVirginiaBondFund Risk/Return Detail Data- Virginia Bond Fund 15 false true R51.htm 000081 - Document - Risk/Return Summary {Unlabeled} - Global Equity Income Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledGlobalEquityIncomeFund Risk/Return Summary- Global Equity Income Fund 16 false false R57.htm 000089 - Disclosure - Risk/Return Detail Data {Elements} - Global Equity Income Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsGlobalEquityIncomeFund Risk/Return Detail Data- Global Equity Income Fund 17 false true R58.htm 000091 - Document - Risk/Return Summary {Unlabeled} - Target Managed Allocation Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledTargetManagedAllocationFund Risk/Return Summary- Target Managed Allocation Fund 18 false false R64.htm 000099 - Disclosure - Risk/Return Detail Data {Elements} - Target Managed Allocation Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsTargetManagedAllocationFund Risk/Return Detail Data- Target Managed Allocation Fund 19 false true R65.htm 000101 - Document - Risk/Return Summary {Unlabeled} - Emerging Markets Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledEmergingMarketsFund Risk/Return Summary- Emerging Markets Fund 20 false false R71.htm 000109 - Disclosure - Risk/Return Detail Data {Elements} - Emerging Markets Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsEmergingMarketsFund Risk/Return Detail Data- Emerging Markets Fund 21 false true R72.htm 000111 - Document - Risk/Return Summary {Unlabeled} - Government Securities Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledGovernmentSecuritiesFund Risk/Return Summary- Government Securities Fund 22 false false R78.htm 000119 - Disclosure - Risk/Return Detail Data {Elements} - Government Securities Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsGovernmentSecuritiesFund Risk/Return Detail Data- Government Securities Fund 23 false true R79.htm 000121 - Document - Risk/Return Summary {Unlabeled} - Growth and Tax Strategy Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledGrowthandTaxStrategyFund Risk/Return Summary- Growth and Tax Strategy Fund 24 false false R86.htm 000129 - Disclosure - Risk/Return Detail Data {Elements} - Growth and Tax Strategy Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsGrowthandTaxStrategyFund Risk/Return Detail Data- Growth and Tax Strategy Fund 25 false true R87.htm 000131 - Document - Risk/Return Summary {Unlabeled} - International Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledInternationalFund Risk/Return Summary- International Fund 26 false false R93.htm 000139 - Disclosure - Risk/Return Detail Data {Elements} - International Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsInternationalFund Risk/Return Detail Data- International Fund 27 false true R94.htm 000141 - Document - Risk/Return Summary {Unlabeled} - Precious Metals and Minerals Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledPreciousMetalsandMineralsFund Risk/Return Summary- Precious Metals and Minerals Fund 28 false false R100.htm 000149 - Disclosure - Risk/Return Detail Data {Elements} - Precious Metals and Minerals Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsPreciousMetalsandMineralsFund Risk/Return Detail Data- Precious Metals and Minerals Fund 29 false true R101.htm 000151 - Document - Risk/Return Summary {Unlabeled} - World Growth Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledWorldGrowthFund Risk/Return Summary- World Growth Fund 30 false false R107.htm 000159 - Disclosure - Risk/Return Detail Data {Elements} - World Growth Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsWorldGrowthFund Risk/Return Detail Data- World Growth Fund 31 false true R108.htm 000161 - Document - Risk/Return Summary {Unlabeled} - Growth and Income Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledGrowthandIncomeFund Risk/Return Summary- Growth and Income Fund 32 false false R114.htm 000169 - Disclosure - Risk/Return Detail Data {Elements} - Growth and Income Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsGrowthandIncomeFund Risk/Return Detail Data- Growth and Income Fund 33 false true R115.htm 000171 - Document - Risk/Return Summary {Unlabeled} - High Income Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledHighIncomeFund Risk/Return Summary- High Income Fund 34 false false R121.htm 000179 - Disclosure - Risk/Return Detail Data {Elements} - High Income Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsHighIncomeFund Risk/Return Detail Data- High Income Fund 35 false true R122.htm 000181 - Document - Risk/Return Summary {Unlabeled} - Income Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledIncomeFund Risk/Return Summary- Income Fund 36 false false R129.htm 000189 - Disclosure - Risk/Return Detail Data {Elements} - Income Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsIncomeFund Risk/Return Detail Data- Income Fund 37 false true R130.htm 000191 - Document - Risk/Return Summary {Unlabeled} - Intermediate-Term Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledIntermediate-TermBondFund Risk/Return Summary- Intermediate-Term Bond Fund 38 false false R137.htm 000199 - Disclosure - Risk/Return Detail Data {Elements} - Intermediate-Term Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsIntermediate-TermBondFund Risk/Return Detail Data- Intermediate-Term Bond Fund 39 false true R138.htm 000201 - Document - Risk/Return Summary {Unlabeled} - Science and Technology Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledScienceandTechnologyFund Risk/Return Summary- Science and Technology Fund 40 false false R144.htm 000209 - Disclosure - Risk/Return Detail Data {Elements} - Science and Technology Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsScienceandTechnologyFund Risk/Return Detail Data- Science and Technology Fund 41 false true R145.htm 000211 - Document - Risk/Return Summary {Unlabeled} - Short-Term Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledShort-TermBondFund Risk/Return Summary- Short-Term Bond Fund 42 false false R151.htm 000219 - Disclosure - Risk/Return Detail Data {Elements} - Short-Term Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsShort-TermBondFund Risk/Return Detail Data- Short-Term Bond Fund 43 false true R152.htm 000221 - Document - Risk/Return Summary {Unlabeled} - Value Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledValueFund Risk/Return Summary- Value Fund 44 false false R158.htm 000229 - Disclosure - Risk/Return Detail Data {Elements} - Value Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsValueFund Risk/Return Detail Data- Value Fund 45 false true R159.htm 000231 - Document - Risk/Return Summary {Unlabeled} - Nasdaq-100 Index Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledNasdaq-100Index Risk/Return Summary- Nasdaq-100 Index 46 false false R166.htm 000239 - Disclosure - Risk/Return Detail Data {Elements} - Nasdaq-100 Index Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsNasdaq-100Index Risk/Return Detail Data- Nasdaq-100 Index 47 false true R167.htm 000241 - Document - Risk/Return Summary {Unlabeled} - Ultra Short-Term Bond Fund Sheet http://www.usaa.com/role/DocumentRiskReturnSummaryUnlabeledUltraShort-TermBondFund Risk/Return Summary- Ultra Short-Term Bond Fund 48 false false R173.htm 000249 - Disclosure - Risk/Return Detail Data {Elements} - Ultra Short-Term Bond Fund Sheet http://www.usaa.com/role/DisclosureRiskReturnDetailDataElementsUltraShort-TermBondFund Risk/Return Detail Data- Ultra Short-Term Bond Fund 49 false false R174.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 50 false false All Reports Book All Reports usaa-20200529.xml usaa-20200529.xsd usaa-20200529_cal.xml usaa-20200529_def.xml usaa-20200529_lab.xml usaa-20200529_pre.xml BarChart1.png BarChart2.png BarChart3.png BarChart4.png BarChart5.png BarChart6.png BarChart7.png BarChart8.png BarChart9.png BarChart10.png BarChart11.png BarChart12.png BarChart13.png BarChart14.png BarChart15.png BarChart16.png BarChart17.png BarChart18.png BarChart19.png BarChart20.png BarChart21.png BarChart22.png BarChart23.png BarChart24.png http://xbrl.sec.gov/rr/2018-01-31 http://xbrl.sec.gov/dei/2018-01-31 true true