Consolidated Statements of Shareholders' Equity Attributable to Johnson Controls, Inc. (USD $) In Millions	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Treasury Stock, at Cost	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Sep. 30, 2008	$ 9,406	$ 8	$ 1,547	$ 7,282	$ (102)	$ 671
Comprehensive income (loss):
Net income (loss) attributable to Johnson Controls, Inc.	(338)			(338)
Foreign currency translation adjustments	(194)					(194)
Realized and unrealized gains (losses) on derivatives	41					41
Employee retirement plans	(326)					(326)
Other comprehensive loss	(479)
Comprehensive income (loss)	(817)
Cash dividends
Cash dividends - common stock ($0.64 and $0.52 per share)	(309)			(309)
Debt conversion (Note 8)	804	1	803
Redemption value adjustment attributable to redeemable noncontrolling interests	(20)			(20)
Other, including options exercised	36		4		32
Ending balance at Sep. 30, 2009	9,100	9	2,354	6,615	(70)	192
Comprehensive income (loss):
Net income (loss) attributable to Johnson Controls, Inc.	1,491			1,491
Foreign currency translation adjustments	(115)					(115)
Realized and unrealized gains (losses) on derivatives	13					13
Unrealized gains on marketable common stock	3					3
Employee retirement plans	(170)					(170)
Other comprehensive loss	(269)
Comprehensive income (loss)	1,222
Cash dividends
Cash dividends - common stock ($0.64 and $0.52 per share)	(350)			(350)
Redemption value adjustment attributable to redeemable noncontrolling interests	9			9
Other, including options exercised	90		94		(4)
Ending balance at Sep. 30, 2010	10,071	9	2,448	7,765	(74)	(77)
Comprehensive income (loss):
Net income (loss) attributable to Johnson Controls, Inc.	1,624			1,624
Foreign currency translation adjustments	(109)					(109)
Realized and unrealized gains (losses) on derivatives	(47)					(47)
Unrealized gains on marketable common stock	3					3
Employee retirement plans	(205)					(205)
Other comprehensive loss	(358)
Comprehensive income (loss)	1,266
Cash dividends
Cash dividends - common stock ($0.64 and $0.52 per share)	(435)			(435)
Redemption value adjustment attributable to redeemable noncontrolling interests	(32)			(32)
Other, including options exercised	172		172
Ending balance at Sep. 30, 2011	$ 11,042	$ 9	$ 2,620	$ 8,922	$ (74)	$ (435)