2.4.0.82403401 - Disclosure - Acquisitions and Divestitures - Additional Information (Detail)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$D2013Q3http://www.sec.gov/CIK0000053669duration2013-04-01T00:00:002013-06-30T00:00:00DivestitureStandardhttp://www.johnsoncontrols.com/20130630Divestituresjci0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2012Q4QTDhttp://www.sec.gov/CIK0000053669duration2012-07-01T00:00:002012-09-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2012Q3QTDhttp://www.sec.gov/CIK0000053669duration2012-04-01T00:00:002012-06-30T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2012Q2http://www.sec.gov/CIK0000053669duration2012-01-01T00:00:002012-03-31T00:00:00DivestitureStandardhttp://www.johnsoncontrols.com/20130630Divestituresjci0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDfalsefalse$D2013Q3YTDhttp://www.sec.gov/CIK0000053669duration2012-10-01T00:00:002013-06-30T00:00:00AcquisitionStandardhttp://www.johnsoncontrols.com/20130630Acquisitionjci0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$6false USDfalsefalse$D2012Q3YTDhttp://www.sec.gov/CIK0000053669duration2011-10-01T00:00:002012-06-30T00:00:00AcquisitionStandardhttp://www.johnsoncontrols.com/20130630Acquisitionjci0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3jci_AcquisitionsAndDiscontinuedOperationsLineItemsjci_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Acquisitions And Discontinued Operations [Line Items]2false 4us-gaap_NumberOfBusinessesAcquiredus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse22falsefalsefalse6truefalsefalse33falsefalsefalsexbrli:integerItemTypeintegerThe number of businesses acquired by the entity during the period.No definition available.false256Number of acquisitions3false 4us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquiredus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsetruefalse4falsefalsefalse00falsefalsefalse5truefalsefalse113000000113USD$falsetruefalse6truefalsefalse3000000030USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Acquisition of businesses, net of cash acquired4false 4us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmountus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse220000000220USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse5200000052USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse220000000220USD$falsefalsefalse6truefalsefalse5200000052USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Goodwill related to acquisition5false 4jci_NumberOfDivestituresjci_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse11falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse22falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNumber of businesses divestedNo definition available.false256Number of divestitures6false 4jci_SalesPriceofBusinessDivestiturejci_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse8000000080USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetarySales price of business divestiture for which the proceeds have not yet been received.No definition available.false2Sales price of business divestiture7false 4jci_NumberOfAcquisitionsWhichIncreasedCompanysOwnershipFromNoncontrollingToControllingInterestjci_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse11falsefalsefalse6truefalsefalse22falsefalsefalsexbrli:integerItemTypeintegerNumber of acquisitions which increased Company's ownership from noncontrolling to controlling interestNo definition available.false256Number of acquisitions which increased Company's ownership from noncontrolling to controlling interest8false 4us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGainus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse8200000082USD$falsefalsefalse6truefalsefalse1200000012USD$falsefalsefalsexbrli:monetaryItemTypemonetaryIn a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 false2Aggregate non-cash gain recorded due to acquisition9false 4us-gaap_ProceedsFromDivestitureOfBusinessesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse00USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsefalsefalse4truefalsefalse9100000091USD$falsefalsefalse5truefalsefalse00USD$falsefalsefalse6truefalsefalse9100000091USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Sales price of divestiture10false 4us-gaap_GainLossOnSaleOfBusinessus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2900000029USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse00USD$falsefalsefalse4truefalsefalse3500000035USD$falsefalsefalse5truefalsefalse2900000029USD$falsefalsefalse6truefalsefalse3500000035USD$falsefalsefalsexbrli:monetaryItemTypemonetaryGain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.No definition available.false2Gain (Loss) on sale of business11false 4us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnitus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1500000015USD$falsefalsefalse2truefalsefalse50000005USD$falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse2900000029USD$falsefalsefalse5truefalsefalse1500000015USD$falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryWrite-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Reduction in goodwill related to business divestitures12false 4jci_ProjectedSalesPriceofBusinessDivestiturejci_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse700000000700USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryExpected sales price of business divestitureNo definition available.false2Projected sales price of business divestiture13false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7false USDtruefalse$D2012Q3YTD_us-gaap_BusinessAcquisitionAxis_jci_PurchasePriceTrueUpMemberhttp://www.sec.gov/CIK0000053669duration2011-10-01T00:00:002012-06-30T00:00:00falsefalsePurchase Price True-Upus-gaap_BusinessAcquisitionAxisxbrldihttp://xbrl.org/2006/xbrldijci_PurchasePriceTrueUpMemberus-gaap_BusinessAcquisitionAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Purchase Price True-Up14true 3jci_AcquisitionsAndDiscontinuedOperationsLineItemsjci_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Acquisitions And Discontinued Operations [Line Items]15false 4us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquiredus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse-8000000-8USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Acquisition of businesses, net of cash acquired16false 4us-gaap_GoodwillAllocationAdjustmentus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse7200000072USD$falsefalsefalsexbrli:monetaryItemTypemonetaryPurchase price allocation adjustment for allocation not yet complete at the prior year end.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 72 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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