XML 103 R83.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Derivative Instruments and Hedging Activities Outstanding Commodity Hedge Contracts (Details) - T | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Copper [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 1,962 | 2,653
Polypropylene [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 19,563 | 0
Lead [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 24,705 | 5,185
Aluminum [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 2,169 | 2,620
Tin [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 1,715 | 185

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
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
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=jci_CopperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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