Consolidated Statements of Financial Position - USD ($)	Sep. 30, 2018	Sep. 30, 2017
Assets
Cash and cash equivalents	$ 200,000,000	$ 321,000,000
Accounts receivable, less allowance for doubtful accounts of $177 and $182, respectively	7,065,000,000	6,666,000,000
Inventories	3,224,000,000	3,209,000,000
Assets held for sale	0	189,000,000
Other current assets	1,334,000,000	1,907,000,000
Current assets	11,823,000,000	12,292,000,000
Property, plant and equipment - net	6,171,000,000	6,121,000,000
Goodwill	19,473,000,000	19,688,000,000
Other intangible assets - net	6,348,000,000	6,741,000,000
Investments in partially-owned affiliates	1,301,000,000	1,191,000,000
Noncurrent assets held for sale	0	1,920,000,000
Other noncurrent assets	3,681,000,000	3,931,000,000
Total assets	48,797,000,000	51,884,000,000
Liabilities and Equity
Short-term debt	1,315,000,000	1,214,000,000
Current portion of long-term debt	26,000,000	394,000,000
Accounts payable	4,644,000,000	4,271,000,000
Accrued compensation and benefits	1,146,000,000	1,071,000,000
Deferred revenue	1,326,000,000	1,279,000,000
Liabilities held for sale	0	72,000,000
Other current liabilities	2,793,000,000	3,553,000,000
Current liabilities	11,250,000,000	11,854,000,000
Long-term debt	9,654,000,000	11,964,000,000
Pension and postretirement benefits	717,000,000	947,000,000
Noncurrent liabilities held for sale	0	173,000,000
Other noncurrent liabilities	4,718,000,000	5,368,000,000
Long-term liabilities	15,089,000,000	18,452,000,000
Redeemable noncontrolling interests	0	211,000,000
Ordinary shares	10,000,000	9,000,000
Ordinary A shares	0	0
Preferred shares	0	0
Treasury stock, at cost (2018 - 25,963,004; 2017 - 17,080,302 shares)	(1,053,000,000)	(710,000,000)
Capital in excess of par value	16,549,000,000	16,390,000,000
Retained earnings	6,604,000,000	5,231,000,000
Accumulated other comprehensive loss	(946,000,000)	(473,000,000)
Shareholders’ equity attributable to Johnson Controls	21,164,000,000	20,447,000,000
Noncontrolling interests	1,294,000,000	920,000,000
Total equity	22,458,000,000	21,367,000,000
Total liabilities and equity	$ 48,797,000,000	$ 51,884,000,000

Common Stock A, Value, Issued

No definition available.

Name:	jci_CommonStockAValueIssued
Namespace Prefix:	jci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).