XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt and Financing Arrangements (Tables) | 6 Months Ended
--- | ---
Mar. 31, 2018
Debt Disclosure [Abstract] |
Components of Net Financing Charges | The Company's net financing charges line item in the consolidated statements of income for the three and six months ended March 31, 2018 and 2017 contained the following components (in millions):
| Three Months Ended March 31, |  | Six Months Ended March 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
Interest expense, net of capitalized interest costs | $ | 104 |  |  | $ | 118 |  |  | $ | 218 |  |  | $ | 228 |
Banking fees and bond cost amortization | 14 |  |  | 11 |  |  | 27 |  |  | 41 |
Interest income | (5 | ) |  | (5 | ) |  | (14 | ) |  | (12 | )
Net foreign exchange results for financing activities | 2 |  |  | (8 | ) |  | — |  |  | (5 | )
Net financing charges | $ | 115 |  |  | $ | 116 |  |  | $ | 231 |  |  | $ | 252 |

X
- Definition Components Of Net Financing Charges [Table Text Block] + References No definition available. + Details
Name: | jci_ComponentsOfNetFinancingChargesTableTextBlock
Namespace Prefix: | jci_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration