3.5.0.2 html 152 101 1 true 106 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information {Elements} Sheet http://www.invesco.com/role/DocumentDocumentandEntityInformationElements Document and Entity Information 1 false true R2.htm 000011 - Document - Risk/Return Summary {Unlabeled} - Invesco Corporate Bond Fund - Class A, B, C, R and Y Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoCorporateBondFundClassABCRandY Risk/Return Summary- Invesco Corporate Bond Fund - Class A, B, C, R and Y 2 false false R9.htm 000019 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Corporate Bond Fund - Class A, B, C, R and Y Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoCorporateBondFundClassABCRandY Risk/Return Detail Data- Invesco Corporate Bond Fund - Class A, B, C, R and Y 3 false true R10.htm 000021 - Document - Risk/Return Summary {Unlabeled} - Invesco Global Real Estate Fund - Class A, B, C, R and Y Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoGlobalRealEstateFundClassABCRandY Risk/Return Summary- Invesco Global Real Estate Fund - Class A, B, C, R and Y 4 false false R17.htm 000029 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Global Real Estate Fund - Class A, B, C, R and Y Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoGlobalRealEstateFundClassABCRandY Risk/Return Detail Data- Invesco Global Real Estate Fund - Class A, B, C, R and Y 5 false true R18.htm 000031 - Document - Risk/Return Summary {Unlabeled} - Invesco Government Money Market Fund - Class Invesco Cash Reserve, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoGovernmentMoneyMarketFundClassInvescoCashReserveBCRYandInvestor Risk/Return Summary- Invesco Government Money Market Fund - Class Invesco Cash Reserve, B, C, R, Y and Investor 6 false false R25.htm 000039 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Government Money Market Fund - Class Invesco Cash Reserve, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoGovernmentMoneyMarketFundClassInvescoCashReserveBCRYandInvestor Risk/Return Detail Data- Invesco Government Money Market Fund - Class Invesco Cash Reserve, B, C, R, Y and Investor 7 false true R26.htm 000041 - Document - Risk/Return Summary {Unlabeled} - Invesco Government Money Market Fund - Class AX, BX and CX Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoGovernmentMoneyMarketFundClassAXBXandCX Risk/Return Summary- Invesco Government Money Market Fund - Class AX, BX and CX 8 false false R33.htm 000049 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Government Money Market Fund - Class AX, BX and CX Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoGovernmentMoneyMarketFundClassAXBXandCX Risk/Return Detail Data- Invesco Government Money Market Fund - Class AX, BX and CX 9 false true R34.htm 000051 - Document - Risk/Return Summary {Unlabeled} - Invesco High Yield Fund - Class A, B, C, Y and Investor Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoHighYieldFundClassABCYandInvestor Risk/Return Summary- Invesco High Yield Fund - Class A, B, C, Y and Investor 10 false false R41.htm 000059 - Disclosure - Risk/Return Detail Data {Elements} - Invesco High Yield Fund - Class A, B, C, Y and Investor Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoHighYieldFundClassABCYandInvestor Risk/Return Detail Data- Invesco High Yield Fund - Class A, B, C, Y and Investor 11 false true R42.htm 000061 - Document - Risk/Return Summary {Unlabeled} - Invesco Real Estate Fund - Class A, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoRealEstateFundClassABCRYandInvestor Risk/Return Summary- Invesco Real Estate Fund - Class A, B, C, R, Y and Investor 12 false false R49.htm 000069 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Real Estate Fund - Class A, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoRealEstateFundClassABCRYandInvestor Risk/Return Detail Data- Invesco Real Estate Fund - Class A, B, C, R, Y and Investor 13 false true R50.htm 000071 - Document - Risk/Return Summary {Unlabeled} - Invesco Short Duration Inflation Protected Fund - Class A, A2 and Y Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoShortDurationInflationProtectedFundClassAA2andY Risk/Return Summary- Invesco Short Duration Inflation Protected Fund - Class A, A2 and Y 14 false false R57.htm 000079 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Short Duration Inflation Protected Fund - Class A, A2 and Y Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoShortDurationInflationProtectedFundClassAA2andY Risk/Return Detail Data- Invesco Short Duration Inflation Protected Fund - Class A, A2 and Y 15 false true R58.htm 000081 - Document - Risk/Return Summary {Unlabeled} - Invesco Short Term Bond Fund - Class A, C, R and Y Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoShortTermBondFundClassACRandY Risk/Return Summary- Invesco Short Term Bond Fund - Class A, C, R and Y 16 false false R64.htm 000089 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Short Term Bond Fund - Class A, C, R and Y Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoShortTermBondFundClassACRandY Risk/Return Detail Data- Invesco Short Term Bond Fund - Class A, C, R and Y 17 false true R65.htm 000091 - Document - Risk/Return Summary {Unlabeled} - Invesco U.S. Government Fund - Class A, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoUSGovernmentFundClassABCRYandInvestor Risk/Return Summary- Invesco U.S. Government Fund - Class A, B, C, R, Y and Investor 18 false false R72.htm 000099 - Disclosure - Risk/Return Detail Data {Elements} - Invesco U.S. Government Fund - Class A, B, C, R, Y and Investor Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoUSGovernmentFundClassABCRYandInvestor Risk/Return Detail Data- Invesco U.S. Government Fund - Class A, B, C, R, Y and Investor 19 false true R73.htm 000101 - Document - Risk/Return Summary {Unlabeled} - Invesco Corporate Bond Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoCorporateBondFundClassR5andR6 Risk/Return Summary- Invesco Corporate Bond Fund - Class R5 and R6 20 false false R79.htm 000109 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Corporate Bond Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoCorporateBondFundClassR5andR6 Risk/Return Detail Data- Invesco Corporate Bond Fund - Class R5 and R6 21 false true R80.htm 000111 - Document - Risk/Return Summary {Unlabeled} - Invesco Global Real Estate Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoGlobalRealEstateFundClassR5andR6 Risk/Return Summary- Invesco Global Real Estate Fund - Class R5 and R6 22 false false R86.htm 000119 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Global Real Estate Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoGlobalRealEstateFundClassR5andR6 Risk/Return Detail Data- Invesco Global Real Estate Fund - Class R5 and R6 23 false true R87.htm 000121 - Document - Risk/Return Summary {Unlabeled} - Invesco Government Money Market Fund - Class R5 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoGovernmentMoneyMarketFundClassR5 Risk/Return Summary- Invesco Government Money Market Fund - Class R5 24 false false R93.htm 000129 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Government Money Market Fund - Class R5 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoGovernmentMoneyMarketFundClassR5 Risk/Return Detail Data- Invesco Government Money Market Fund - Class R5 25 false true R94.htm 000131 - Document - Risk/Return Summary {Unlabeled} - Invesco High Yield Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoHighYieldFundClassR5andR6000131 Risk/Return Summary- Invesco High Yield Fund - Class R5 and R6 26 false false R100.htm 000139 - Disclosure - Risk/Return Detail Data {Elements} - Invesco High Yield Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoHighYieldFundClassR5andR6000139 Risk/Return Detail Data- Invesco High Yield Fund - Class R5 and R6 27 false true R101.htm 000141 - Document - Risk/Return Summary {Unlabeled} - Invesco Real Estate Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoRealEstateFundClassR5andR6 Risk/Return Summary- Invesco Real Estate Fund - Class R5 and R6 28 false false R107.htm 000149 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Real Estate Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoRealEstateFundClassR5andR6 Risk/Return Detail Data- Invesco Real Estate Fund - Class R5 and R6 29 false true R108.htm 000151 - Document - Risk/Return Summary {Unlabeled} - Invesco Short Duration Inflation Protected Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoShortDurationInflationProtectedFundClassR5andR6 Risk/Return Summary- Invesco Short Duration Inflation Protected Fund - Class R5 and R6 30 false false R114.htm 000159 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Short Duration Inflation Protected Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoShortDurationInflationProtectedFundClassR5andR6 Risk/Return Detail Data- Invesco Short Duration Inflation Protected Fund - Class R5 and R6 31 false true R115.htm 000161 - Document - Risk/Return Summary {Unlabeled} - Invesco Short Term Bond Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoShortTermBondFundClassR5andR6 Risk/Return Summary- Invesco Short Term Bond Fund - Class R5 and R6 32 false false R121.htm 000169 - Disclosure - Risk/Return Detail Data {Elements} - Invesco Short Term Bond Fund - Class R5 and R6 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoShortTermBondFundClassR5andR6 Risk/Return Detail Data- Invesco Short Term Bond Fund - Class R5 and R6 33 false true R122.htm 000171 - Document - Risk/Return Summary {Unlabeled} - Invesco U.S. Government Fund - Class R5 Sheet http://www.invesco.com/role/DocumentRiskReturnSummaryUnlabeledInvescoUSGovernmentFundClassR5 Risk/Return Summary- Invesco U.S. Government Fund - Class R5 34 false false R128.htm 000179 - Disclosure - Risk/Return Detail Data {Elements} - Invesco U.S. Government Fund - Class R5 Sheet http://www.invesco.com/role/DisclosureRiskReturnDetailDataElementsInvescoUSGovernmentFundClassR5 Risk/Return Detail Data- Invesco U.S. Government Fund - Class R5 35 false false R129.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 36 false false All Reports Book All Reports aimisf-20160624.xml aimisf-20160624.xsd aimisf-20160624_cal.xml aimisf-20160624_def.xml aimisf-20160624_lab.xml aimisf-20160624_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 true true