XML 92 R83.htm IDEA: XBRL DOCUMENT
v3.23.1

Significant Restructuring and Impairment Costs - Schedule of Restructuring Reserve by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | $ 418 | $ 384 | $ 763 | $ 433
Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | 24 |  | 81 |
Building Solutions North America | Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | 4 |  | 6 |
Building Solutions EMEA/LA | Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | 0 |  | 21 |
Building Solutions Asia Pacific | Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | 1 |  | 6 |
Global Products | Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | 4 |  | 27 |
Corporate | Various 2023 Restructuring Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring costs and asset impairment charges | $ 15 |  | $ 21 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_RestructuringCostsAndAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=jci_Various2023RestructuringPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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