XML 100 R81.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Derivative [Line Items] |  |  |
Hedge percentage for foreign exchange transactional exposures, minimum | 70.00% |  |
Hedge percentage for foreign exchange transactional exposures, maximum | 90.00% |  |
Derivative, amount of hedged ordinary shares | 0 | 300,000 |
Pre-tax gains (losses) related to net investment hedges reclassified from other comprehensive income | $ 0 | $ 0 | $ 0
Equity swap |  |  |
Derivative [Line Items] |  |  |
Derivative, amount of hedged item |  | 23,000,000 |
Net Investment Hedging |  |  |
Derivative [Line Items] |  |  |
Pre-tax gains (losses) related to net investment hedges recorded in other comprehensive income | $ 470,000,000 | $ 42,000,000 | $ (172,000,000)

X
- Definition Derivative, Amount Of Hedged Ordinary Shares + References No definition available. + Details
Name: | jci_DerivativeAmountOfHedgedOrdinaryShares
Namespace Prefix: | jci_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Hedge percentage for foreign exchange transactional exposures, Maximum. + References No definition available. + Details
Name: | jci_HedgePercentageForForeignExchangeTransactionalExposuresMaximum
Namespace Prefix: | jci_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Hedge percentage for foreign exchange transactional exposures, Minimum. + References No definition available. + Details
Name: | jci_HedgePercentageForForeignExchangeTransactionalExposuresMinimum
Namespace Prefix: | jci_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of hedged item in hedging relationship. Excludes hedged asset or liability. + References No definition available. + Details
Name: | us-gaap_DerivativeAmountOfHedgedItem
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CCC -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998896-113959 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CCC -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998896-113959 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EquitySwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |