XML 72 R57.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Details) $ in Millions | 6 Months Ended
--- | ---
Mar. 31, 2018 USD ($)
Goodwill [Roll Forward] |
Beginning Balance | $ 19,688
Business Acquisitions | 8
Business Divestitures | (20)
Currency Translation and Other | 130
Ending Balance | 19,806
Power Solutions |
Goodwill [Roll Forward] |
Beginning Balance | 1,097
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 19
Ending Balance | 1,116
Building Technologies & Solutions | Building Solutions North America |
Goodwill [Roll Forward] |
Beginning Balance | 9,637
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | (22)
Ending Balance | 9,615
Building Technologies & Solutions | Building Solutions EMEA/LA |
Goodwill [Roll Forward] |
Beginning Balance | 2,012
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 77
Ending Balance | 2,089
Building Technologies & Solutions | Building Solutions Asia Pacific |
Goodwill [Roll Forward] |
Beginning Balance | 1,255
Business Acquisitions | 0
Business Divestitures | 0
Currency Translation and Other | 54
Ending Balance | 1,309
Building Technologies & Solutions | Global Products |
Goodwill [Roll Forward] |
Beginning Balance | 5,687
Business Acquisitions | 8
Business Divestitures | (20)
Currency Translation and Other | 2
Ending Balance | $ 5,677

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jci_PowerSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | jci_PrimaryBusinessInformationByPrimaryBusinessAxis=jci_BuildingTechnologiesSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jci_BuildingSolutionsNorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jci_BuildingSolutionsEMEALAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jci_BuildingSolutionsAsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jci_GlobalProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |