| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.7.0.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 616 </ContextCount> |
| <ElementCount> 462 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 146 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 18 </UnitCount> |
| <MyReports> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 0001000 - Document - Document and Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DocumentAndEntityInformation </Role> |
| | | <ShortName> Document and Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 1001000 - Statement - Consolidated Statements of Financial Position </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ConsolidatedStatementsOfFinancialPosition </Role> |
| | | <ShortName> Consolidated Statements of Financial Position </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 1001501 - Statement - Consolidated Statements of Financial Position (Parenthetical) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ConsolidatedStatementsOfFinancialPositionParenthetical </Role> |
| | | <ShortName> Consolidated Statements of Financial Position (Parenthetical) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 1002000 - Statement - Consolidated Statements of Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ConsolidatedStatementsOfIncome </Role> |
| | | <ShortName> Consolidated Statements of Income </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 1003000 - Statement - Consolidated Statements of Comprehensive Income (Loss) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss </Role> |
| | | <ShortName> Consolidated Statements of Comprehensive Income (Loss) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 1004000 - Statement - Consolidated Statements of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ConsolidatedStatementsOfCashFlows </Role> |
| | | <ShortName> Consolidated Statements of Cash Flows </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 2101100 - Disclosure - Financial Statements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FinancialStatements </Role> |
| | | <ShortName> Financial Statements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 2102100 - Disclosure - New Accounting Standards </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/NewAccountingStandards </Role> |
| | | <ShortName> New Accounting Standards </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 2103100 - Disclosure - Merger Transaction (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/MergerTransactionNotes </Role> |
| | | <ShortName> Merger Transaction (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 2104100 - Disclosure - Acquisitions and Divestitures </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/AcquisitionsAndDivestitures </Role> |
| | | <ShortName> Acquisitions and Divestitures </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 2105100 - Disclosure - Discontinued Operations (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsNotes </Role> |
| | | <ShortName> Discontinued Operations (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 2106100 - Disclosure - Percentage-of-Completion Contracts </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/PercentageOfCompletionContracts </Role> |
| | | <ShortName> Percentage-of-Completion Contracts </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 2107100 - Disclosure - Inventories </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/Inventories </Role> |
| | | <ShortName> Inventories </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 2108100 - Disclosure - Goodwill and Other Intangible Assets (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsNotes </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 2109100 - Disclosure - Significant Restructuring Costs </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCosts </Role> |
| | | <ShortName> Significant Restructuring Costs </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 2110100 - Disclosure - Income Taxes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/IncomeTaxes </Role> |
| | | <ShortName> Income Taxes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 2111100 - Disclosure - Pension and Postretirement Plans </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/PensionAndPostretirementPlans </Role> |
| | | <ShortName> Pension and Postretirement Plans </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 2112100 - Disclosure - Debt and Financing Arrangements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DebtAndFinancingArrangements </Role> |
| | | <ShortName> Debt and Financing Arrangements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 2113100 - Disclosure - Stock-Based Compensation (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/StockBasedCompensationNotes </Role> |
| | | <ShortName> Stock-Based Compensation (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 2114100 - Disclosure - Earnings Per Share </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EarningsPerShare </Role> |
| | | <ShortName> Earnings Per Share </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 2115100 - Disclosure - Equity and Noncontrolling Interests </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterests </Role> |
| | | <ShortName> Equity and Noncontrolling Interests </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 2116100 - Disclosure - Derivative Instruments and Hedging Activities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivities </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 2118100 - Disclosure - Fair Value Measurements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FairValueMeasurements </Role> |
| | | <ShortName> Fair Value Measurements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 2119100 - Disclosure - Impairment of Long-Lived Assets (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ImpairmentOfLongLivedAssetsNotes </Role> |
| | | <ShortName> Impairment of Long-Lived Assets (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 2120100 - Disclosure - Segment Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SegmentInformation </Role> |
| | | <ShortName> Segment Information </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 2121100 - Disclosure - Guarantees </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/Guarantees </Role> |
| | | <ShortName> Guarantees </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 2122100 - Disclosure - TIFSA (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaNotes </Role> |
| | | <ShortName> TIFSA (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 2123100 - Disclosure - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/CommitmentsAndContingencies </Role> |
| | | <ShortName> Commitments and Contingencies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 2124100 - Disclosure - Related Party Transactions (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/RelatedPartyTransactionsNotes </Role> |
| | | <ShortName> Related Party Transactions (Notes) </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 2301301 - Disclosure - Financial Statements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FinancialStatementsTables </Role> |
| | | <ShortName> Financial Statements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/FinancialStatements </ParentRole> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 2303301 - Disclosure - Merger Transaction (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/MergerTransactionTables </Role> |
| | | <ShortName> Merger Transaction (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/MergerTransactionNotes </ParentRole> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 2305301 - Disclosure - Discontinued Operations (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsTables </Role> |
| | | <ShortName> Discontinued Operations (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/DiscontinuedOperationsNotes </ParentRole> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 2305302 - Disclosure - Discontinued Operations Tyco segments asset and liabilities held for sale (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsTycoSegmentsAssetAndLiabilitiesHeldForSaleTables </Role> |
| | | <ShortName> Discontinued Operations Tyco segments asset and liabilities held for sale (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 2305303 - Disclosure - Discontinued Operations Adient assets and liabilities held for sale (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsAdientAssetsAndLiabilitiesHeldForSaleTables </Role> |
| | | <ShortName> Discontinued Operations Adient assets and liabilities held for sale (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 2305304 - Disclosure - Discontinued Operations Adient discontinued operations noncash items (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsAdientDiscontinuedOperationsNoncashItemsTables </Role> |
| | | <ShortName> Discontinued Operations Adient discontinued operations noncash items (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 2307301 - Disclosure - Inventories (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/InventoriesTables </Role> |
| | | <ShortName> Inventories (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/Inventories </ParentRole> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 2308301 - Disclosure - Goodwill and Other Intangible Assets (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsTables </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsNotes </ParentRole> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 2309301 - Disclosure - Significant Restructuring Costs Changes in Restructuring Reserve - 2017 Restructuring Plan (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCostsChangesInRestructuringReserve2017RestructuringPlanTables </Role> |
| | | <ShortName> Significant Restructuring Costs Changes in Restructuring Reserve - 2017 Restructuring Plan (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 2309303 - Disclosure - Significant Restructuring Costs Changes in Restructuring Reserve - 2016 Restructuring Plan (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCostsChangesInRestructuringReserve2016RestructuringPlanTables </Role> |
| | | <ShortName> Significant Restructuring Costs Changes in Restructuring Reserve - 2016 Restructuring Plan (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 2310301 - Disclosure - Income Taxes (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/IncomeTaxesTables </Role> |
| | | <ShortName> Income Taxes (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/IncomeTaxes </ParentRole> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 2311301 - Disclosure - Pension and Postretirement Plans (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/PensionAndPostretirementPlansTables </Role> |
| | | <ShortName> Pension and Postretirement Plans (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/PensionAndPostretirementPlans </ParentRole> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 2312301 - Disclosure - Debt and Financing Arrangements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DebtAndFinancingArrangementsTables </Role> |
| | | <ShortName> Debt and Financing Arrangements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/DebtAndFinancingArrangements </ParentRole> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 2313301 - Disclosure - Stock-Based Compensation (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/StockBasedCompensationTables </Role> |
| | | <ShortName> Stock-Based Compensation (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/StockBasedCompensationNotes </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 2314301 - Disclosure - Earnings Per Share (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EarningsPerShareTables </Role> |
| | | <ShortName> Earnings Per Share (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/EarningsPerShare </ParentRole> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 2315301 - Disclosure - Equity and Noncontrolling Interests (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterestsTables </Role> |
| | | <ShortName> Equity and Noncontrolling Interests (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterests </ParentRole> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 2316301 - Disclosure - Derivative Instruments and Hedging Activities (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesTables </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivities </ParentRole> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 2318301 - Disclosure - Fair Value Measurements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FairValueMeasurementsTables </Role> |
| | | <ShortName> Fair Value Measurements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/FairValueMeasurements </ParentRole> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 2320301 - Disclosure - Segment Information (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SegmentInformationTables </Role> |
| | | <ShortName> Segment Information (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/SegmentInformation </ParentRole> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 2321301 - Disclosure - Guarantees (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GuaranteesTables </Role> |
| | | <ShortName> Guarantees (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/Guarantees </ParentRole> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 2322301 - Disclosure - TIFSA (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaTables </Role> |
| | | <ShortName> TIFSA (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/TifsaNotes </ParentRole> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 2324301 - Disclosure - Related Party Transactions (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/RelatedPartyTransactionsTables </Role> |
| | | <ShortName> Related Party Transactions (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/RelatedPartyTransactionsNotes </ParentRole> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 2401402 - Disclosure - Financial Statements - Carrying Amounts and Classification of Assets and Liabilities for Consolidated VIEs (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FinancialStatementsCarryingAmountsAndClassificationOfAssetsAndLiabilitiesForConsolidatedViesDetail </Role> |
| | | <ShortName> Financial Statements - Carrying Amounts and Classification of Assets and Liabilities for Consolidated VIEs (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 2401403 - Disclosure - Financial Statements - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FinancialStatementsAdditionalInformationDetail </Role> |
| | | <ShortName> Financial Statements - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 2403402 - Disclosure - Merger Transaction (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/MergerTransactionDetails </Role> |
| | | <ShortName> Merger Transaction (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/MergerTransactionTables </ParentRole> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 2403403 - Disclosure - Merger Transaction Merger Transaction (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/MergerTransactionMergerTransactionDetails </Role> |
| | | <ShortName> Merger Transaction Merger Transaction (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 2404401 - Disclosure - Acquisitions and Divestitures - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/AcquisitionsAndDivestituresAdditionalInformationDetail </Role> |
| | | <ShortName> Acquisitions and Divestitures - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 2405405 - Disclosure - Discontinued Operations Discontinued Operations - Additional Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsDiscontinuedOperationsAdditionalInformationDetails </Role> |
| | | <ShortName> Discontinued Operations Discontinued Operations - Additional Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 2405406 - Disclosure - Discontinued Operations Discontinued Operations by Disposal Group - Adient (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsDiscontinuedOperationsByDisposalGroupAdientDetails </Role> |
| | | <ShortName> Discontinued Operations Discontinued Operations by Disposal Group - Adient (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 2405407 - Disclosure - Discontinued Operations Discontinued Operations - Assets and Liabilities Held for Sale, Specific Transactions (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleSpecificTransactionsDetails </Role> |
| | | <ShortName> Discontinued Operations Discontinued Operations - Assets and Liabilities Held for Sale, Specific Transactions (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 2405408 - Disclosure - Discontinued Operations Discontinued Operations - Assets and Liabilities Held for Sale, Adient spin-off (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleAdientSpinOffDetails </Role> |
| | | <ShortName> Discontinued Operations Discontinued Operations - Assets and Liabilities Held for Sale, Adient spin-off (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 2405409 - Disclosure - Discontinued Operations Discontinued Operations - Non cash impact, Adient spin-off (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DiscontinuedOperationsDiscontinuedOperationsNonCashImpactAdientSpinOffDetails </Role> |
| | | <ShortName> Discontinued Operations Discontinued Operations - Non cash impact, Adient spin-off (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R62.htm </HtmlFileName> |
| | | <LongName> 2406401 - Disclosure - Percentage-of-Completion Contracts (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/PercentageOfCompletionContractsDetail </Role> |
| | | <ShortName> Percentage-of-Completion Contracts (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/PercentageOfCompletionContracts </ParentRole> |
| | | <Position> 62 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R63.htm </HtmlFileName> |
| | | <LongName> 2407402 - Disclosure - Inventories - Schedule of Inventories (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/InventoriesScheduleOfInventoriesDetail </Role> |
| | | <ShortName> Inventories - Schedule of Inventories (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 63 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R64.htm </HtmlFileName> |
| | | <LongName> 2408402 - Disclosure - Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsChangesInCarryingAmountOfGoodwillDetails </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 64 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R65.htm </HtmlFileName> |
| | | <LongName> 2408403 - Disclosure - Goodwill and Other Intangible Assets - Goodwill Additional Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsGoodwillAdditionalInformationDetails </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets - Goodwill Additional Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 65 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R66.htm </HtmlFileName> |
| | | <LongName> 2408404 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsDetails </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets - Other Intangible Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 66 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R67.htm </HtmlFileName> |
| | | <LongName> 2408405 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets Additional Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GoodwillAndOtherIntangibleAssetsOtherIntangibleAssetsAdditionalInformationDetails </Role> |
| | | <ShortName> Goodwill and Other Intangible Assets - Other Intangible Assets Additional Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 67 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R68.htm </HtmlFileName> |
| | | <LongName> 2409402 - Disclosure - Significant Restructuring Costs Change in Restructuring Reserve - 2017 Restructuring Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCostsChangeInRestructuringReserve2017RestructuringPlanDetails </Role> |
| | | <ShortName> Significant Restructuring Costs Change in Restructuring Reserve - 2017 Restructuring Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 68 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R69.htm </HtmlFileName> |
| | | <LongName> 2409404 - Disclosure - Significant Restructuring Costs Change in Restructuring Reserve - 2016 Restructuring Plan (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCostsChangeInRestructuringReserve2016RestructuringPlanDetails </Role> |
| | | <ShortName> Significant Restructuring Costs Change in Restructuring Reserve - 2016 Restructuring Plan (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 69 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R70.htm </HtmlFileName> |
| | | <LongName> 2409405 - Disclosure - Significant Restructuring Costs - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SignificantRestructuringCostsAdditionalInformationDetail </Role> |
| | | <ShortName> Significant Restructuring Costs - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 70 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R71.htm </HtmlFileName> |
| | | <LongName> 2410402 - Disclosure - Income Taxes - Tax Jurisdictions and Years Currently under Audit Exam (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/IncomeTaxesTaxJurisdictionsAndYearsCurrentlyUnderAuditExamDetails </Role> |
| | | <ShortName> Income Taxes - Tax Jurisdictions and Years Currently under Audit Exam (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 71 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R72.htm </HtmlFileName> |
| | | <LongName> 2410403 - Disclosure - Income Taxes - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/IncomeTaxesAdditionalInformationDetail </Role> |
| | | <ShortName> Income Taxes - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 72 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R73.htm </HtmlFileName> |
| | | <LongName> 2411402 - Disclosure - Pension and Postretirement Plans - Components of Net Periodic Benefit Cost (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/PensionAndPostretirementPlansComponentsOfNetPeriodicBenefitCostDetail </Role> |
| | | <ShortName> Pension and Postretirement Plans - Components of Net Periodic Benefit Cost (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 73 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R74.htm </HtmlFileName> |
| | | <LongName> 2412402 - Disclosure - Debt and Financing Arrangements - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DebtAndFinancingArrangementsAdditionalInformationDetail </Role> |
| | | <ShortName> Debt and Financing Arrangements - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 74 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R75.htm </HtmlFileName> |
| | | <LongName> 2412403 - Disclosure - Debt and Financing Arrangements - Components of Net Financing Charges (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DebtAndFinancingArrangementsComponentsOfNetFinancingChargesDetails </Role> |
| | | <ShortName> Debt and Financing Arrangements - Components of Net Financing Charges (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 75 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R76.htm </HtmlFileName> |
| | | <LongName> 2413402 - Disclosure - Stock-Based Compensation (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/StockBasedCompensationDetails </Role> |
| | | <ShortName> Stock-Based Compensation (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/StockBasedCompensationTables </ParentRole> |
| | | <Position> 76 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R77.htm </HtmlFileName> |
| | | <LongName> 2414402 - Disclosure - Earnings Per Share - Earnings Per Share (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EarningsPerShareEarningsPerShareDetail </Role> |
| | | <ShortName> Earnings Per Share - Earnings Per Share (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 77 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R78.htm </HtmlFileName> |
| | | <LongName> 2414403 - Disclosure - Earnings Per Share - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EarningsPerShareAdditionalInformationDetail </Role> |
| | | <ShortName> Earnings Per Share - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 78 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R79.htm </HtmlFileName> |
| | | <LongName> 2415402 - Disclosure - Equity and Noncontrolling Interests - Equity Attributable to Johnson Controls and Noncontrolling Interests (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterestsEquityAttributableToJohnsonControlsAndNoncontrollingInterestsDetails </Role> |
| | | <ShortName> Equity and Noncontrolling Interests - Equity Attributable to Johnson Controls and Noncontrolling Interests (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 79 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R80.htm </HtmlFileName> |
| | | <LongName> 2415403 - Disclosure - Equity and Noncontrolling Interests Equity and Noncontrolling Interests - Additional Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterestsEquityAndNoncontrollingInterestsAdditionalInformationDetails </Role> |
| | | <ShortName> Equity and Noncontrolling Interests Equity and Noncontrolling Interests - Additional Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 80 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R81.htm </HtmlFileName> |
| | | <LongName> 2415404 - Disclosure - Equity and Noncontrolling Interests - Changes in Redeemable Noncontrolling Interests (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterestsChangesInRedeemableNoncontrollingInterestsDetails </Role> |
| | | <ShortName> Equity and Noncontrolling Interests - Changes in Redeemable Noncontrolling Interests (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 81 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R82.htm </HtmlFileName> |
| | | <LongName> 2415405 - Disclosure - Equity and Noncontrolling Interests - Accumulated Other Comprehensive Income (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/EquityAndNoncontrollingInterestsAccumulatedOtherComprehensiveIncomeDetails </Role> |
| | | <ShortName> Equity and Noncontrolling Interests - Accumulated Other Comprehensive Income (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 82 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R83.htm </HtmlFileName> |
| | | <LongName> 2416403 - Disclosure - Derivative Instruments and Hedging Activities - Location and Fair Values of Derivative Instruments and Hedging Activities (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesLocationAndFairValuesOfDerivativeInstrumentsAndHedgingActivitiesDetail </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities - Location and Fair Values of Derivative Instruments and Hedging Activities (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 83 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R84.htm </HtmlFileName> |
| | | <LongName> 2416404 - Disclosure - Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities - Offsetting Assets and Liabilities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesDerivativeInstrumentsAndHedgingActivitiesOffsettingAssetsAndLiabilitiesDetails </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities - Offsetting Assets and Liabilities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 84 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R85.htm </HtmlFileName> |
| | | <LongName> 2416405 - Disclosure - Derivative Instruments and Hedging Activities - Location and Amount of Gains and Losses on Derivative Instruments and Related Hedge Items (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesLocationAndAmountOfGainsAndLossesOnDerivativeInstrumentsAndRelatedHedgeItemsDetail </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities - Location and Amount of Gains and Losses on Derivative Instruments and Related Hedge Items (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 85 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R86.htm </HtmlFileName> |
| | | <LongName> 2416406 - Disclosure - Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities - Fixed Rate Bonds (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesDerivativeInstrumentsAndHedgingActivitiesFixedRateBondsDetails </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities - Fixed Rate Bonds (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 86 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R87.htm </HtmlFileName> |
| | | <LongName> 2416407 - Disclosure - Derivative Instruments and Hedging Activities - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/DerivativeInstrumentsAndHedgingActivitiesAdditionalInformationDetail </Role> |
| | | <ShortName> Derivative Instruments and Hedging Activities - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 87 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R88.htm </HtmlFileName> |
| | | <LongName> 2418402 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FairValueMeasurementsAssetsAndLiabilitiesMeasuredAtFairValueDetail </Role> |
| | | <ShortName> Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 88 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R89.htm </HtmlFileName> |
| | | <LongName> 2418403 - Disclosure - Fair Value Measurements - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/FairValueMeasurementsAdditionalInformationDetail </Role> |
| | | <ShortName> Fair Value Measurements - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 89 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R90.htm </HtmlFileName> |
| | | <LongName> 2419401 - Disclosure - Impairment of Long-Lived Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ImpairmentOfLongLivedAssetsDetails </Role> |
| | | <ShortName> Impairment of Long-Lived Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/ImpairmentOfLongLivedAssetsNotes </ParentRole> |
| | | <Position> 90 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R91.htm </HtmlFileName> |
| | | <LongName> 2420402 - Disclosure - Segment Information - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SegmentInformationAdditionalInformationDetail </Role> |
| | | <ShortName> Segment Information - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 91 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R92.htm </HtmlFileName> |
| | | <LongName> 2420403 - Disclosure - Segment Information - Financial Information Related to Company's Reportable Segments (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/SegmentInformationFinancialInformationRelatedToCompanysReportableSegmentsDetail </Role> |
| | | <ShortName> Segment Information - Financial Information Related to Company's Reportable Segments (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 92 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R93.htm </HtmlFileName> |
| | | <LongName> 2421402 - Disclosure - Guarantees - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/GuaranteesAdditionalInformationDetail </Role> |
| | | <ShortName> Guarantees - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 93 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R94.htm </HtmlFileName> |
| | | <LongName> 2421403 - Disclosure - Product Warranties - Changes in Carrying Amount of Product Warranty liability (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/ProductWarrantiesChangesInCarryingAmountOfProductWarrantyLiabilityDetail </Role> |
| | | <ShortName> Product Warranties - Changes in Carrying Amount of Product Warranty liability (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 94 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R95.htm </HtmlFileName> |
| | | <LongName> 2422402 - Disclosure - TIFSA Condensed Income Statement (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaCondensedIncomeStatementDetails </Role> |
| | | <ShortName> TIFSA Condensed Income Statement (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 95 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R96.htm </HtmlFileName> |
| | | <LongName> 2422403 - Disclosure - TIFSA Condensed Statement of Comprehensive Income (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaCondensedStatementOfComprehensiveIncomeDetails </Role> |
| | | <ShortName> TIFSA Condensed Statement of Comprehensive Income (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 96 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R97.htm </HtmlFileName> |
| | | <LongName> 2422404 - Disclosure - TIFSA Condensed Balance Sheet (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaCondensedBalanceSheetDetails </Role> |
| | | <ShortName> TIFSA Condensed Balance Sheet (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 97 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R98.htm </HtmlFileName> |
| | | <LongName> 2422405 - Disclosure - TIFSA Condensed Statement of Cash Flows (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/TifsaCondensedStatementOfCashFlowsDetails </Role> |
| | | <ShortName> TIFSA Condensed Statement of Cash Flows (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 98 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R99.htm </HtmlFileName> |
| | | <LongName> 2423401 - Disclosure - Commitments and Contingencies - Additional Information (Detail) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/CommitmentsAndContingenciesAdditionalInformationDetail </Role> |
| | | <ShortName> Commitments and Contingencies - Additional Information (Detail) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 99 </Position> |
| | | </Report> |
| | <Report instance="jci-20170331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R100.htm </HtmlFileName> |
| | | <LongName> 2424402 - Disclosure - Related Party Transactions (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.johnsoncontrols.com/role/RelatedPartyTransactionsDetails </Role> |
| | | <ShortName> Related Party Transactions (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.johnsoncontrols.com/role/RelatedPartyTransactionsTables </ParentRole> |
| | | <Position> 100 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> jci-20170331.xml </File> |
| | <File> jci-20170331.xsd </File> |
| | <File> jci-20170331_cal.xml </File> |
| | <File> jci-20170331_def.xml </File> |
| | <File> jci-20170331_lab.xml </File> |
| | <File> jci-20170331_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |