XML 48 R32.htm IDEA: XBRL DOCUMENT
v3.20.4

Discontinued Operations (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2020
Power Solutions | Discontinued Operations, Disposed of by Sale [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Disposal Group, Including Discontinued Operations, Income Statement Disclosures [Table Text Block] |
| Three Months Ended December 31, |  |
| 2020 |  |
Net sales | $ | — |  |  |
Income from discontinued operations before income taxes | 150 |  |  |
Provision for income taxes on discontinued operations | (26) |  |  |
Income from discontinued operations attributable to noncontrolling interests, net of tax | — |  |  |
Income from discontinued operations | $ | 124 |  |  |

X
- Definition Disposal Group, Including Discontinued Operations, Income Statement Disclosures [Table Text Block] + References No definition available. + Details
Name: | jci_DisposalGroupIncludingDiscontinuedOperationsIncomeStatementDisclosuresTableTextBlock
Namespace Prefix: | jci_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |