Consolidated Statements of Income - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales
Products and systems	[1]	$ 5,825	$ 4,196	$ 16,578	$ 11,879
Services	[1]	1,858	958	5,458	2,704
Net sales		7,683	5,154	22,036	14,583
Cost of sales
Products and systems	[1]	4,132	3,068	11,919	8,759
Services	[1]	1,120	664	3,291	1,858
Cost of sales		5,252	3,732	15,210	10,617
Gross profit		2,431	1,422	6,826	3,966
Selling, general and administrative expenses		(1,609)	(895)	(4,905)	(2,641)
Restructuring and impairment costs		(49)	(27)	(226)	(87)
Net financing charges		(124)	(65)	(376)	(202)
Equity income		69	45	177	127
Income from continuing operations before income taxes		718	480	1,496	1,163
Income tax provision		89	78	570	202
Income from continuing operations		629	402	926	961
Income (loss) from discontinued operations, net of tax (Note 5)		0	57	(34)	(481)
Net income		629	459	892	480
Income from continuing operations attributable to noncontrolling interests		74	55	147	116
Income from discontinued operations attributable to noncontrolling interests		0	21	9	61
Net income attributable to Johnson Controls		555	383	736	303
Amounts attributable to Johnson Controls ordinary shareholders
Income from continuing operations		555	347	779	845
Income (loss) from discontinued operations		$ 0	$ 36	$ (43)	$ (542)
Earnings (loss) per share
Basic earnings per share from continuing operations		$ 0.59	$ 0.54	$ 0.83	$ 1.31
Basic earnings (loss) per share from discontinued operations		0.00	0.06	(0.05)	(0.84)
Basic earnings per share	[2]	0.59	0.59	0.79	0.47
Diluted earnings per share from continuing operations		0.59	0.53	0.82	1.30
Diluted earnings (loss) per share from discontinued operations		0.00	0.06	(0.05)	(0.83)
Diluted earnings per share	[2]	$ 0.59	$ 0.59	$ 0.78	$ 0.47

[1] Products and systems consist of Building Technologies & Solutions and Power Solutions products and systems. Services are Building Technologies & Solutions technical services.

[2] Certain items do not sum due to rounding