Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2012
Net sales
Products and systems	$ 34,978	[1]	$ 33,092	[1]	$ 32,210	[1]
Services	7,850	[1]	8,318	[1]	8,394	[1]
Net sales	42,828		41,410		40,604
Cost of sales
Products and systems	29,910	[1]	28,189	[1]	27,869	[1]
Services	6,291	[1]	6,756	[1]	6,898	[1]
Cost of sales	36,201		34,945		34,767
Gross profit	6,627		6,465		5,837
Selling, general and administrative expenses	(4,308)		(3,780)		(4,311)
Gain (loss) on business divestitures - net	(111)		7		40
Restructuring and impairment costs	(324)		(957)		(287)
Net financing charges	(244)		(247)		(231)
Equity income	395		399		338
Income from continuing operations before income taxes	2,035		1,887		1,386
Income tax provision	482		696		161
Income from continuing operations	1,553		1,191		1,225
Income (loss) from discontinued operations, net of tax (Note 3)	(218)		101		85
Net income	1,335		1,292		1,310
Income from continuing operations attributable to noncontrolling interests	120		114		126
Net income attributable to Johnson Controls, Inc.	1,215		1,178		1,184
Net income attributable to common shareholders	1,215		1,178		1,184
Amounts attributable to Johnson Controls, Inc. common shareholders
Income from continuing operations	1,433		1,077		1,099
Earnings (loss) per share
Basic earnings per share from continuing operations	$ 2.15		$ 1.58		$ 1.61
Basic earnings (loss) per share from discontinued operations	$ (0.33)		$ 0.15		$ 0.12
Basic earnings per share	$ 1.82	[2]	$ 1.72	[2]	$ 1.74	[2]
Diluted earnings per share from continuing operations	$ 2.12		$ 1.56		$ 1.60
Diluted earnings (loss) per share from discontinued operations	$ (0.32)		$ 0.15		$ 0.12
Diluted earnings per share	$ 1.80		$ 1.71		$ 1.72
Continuing Operations [Member]
Cost of sales
Restructuring and impairment costs	$ (324)		$ (957)		$ (287)

[1] Products and systems consist of Automotive Experience and Power Solutions products and systems and Building Efficiency installed systems. Services are Building Efficiency technical and Global Workplace Solutions.

[2] Certain items do not sum due to rounding.