Consolidated Statements of Equity (USD $) In Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total Shareholders’ Equity [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2009	$ 4,452.8	$ 59.6	$ 1,408.2	$ 6,465.4	$ (8.0)	$ (3,730.4)	$ 4,194.8	$ 258.0
Balance, shares at Dec. 31, 2009		397.2
Net Income	923.7			827.7			827.7	96.0
Other comprehensive income	(86.5)				(98.4)		(98.4)	11.9
Dividends to noncontrolling interests	(81.0)							(81.0)
Acquisition of noncontrolling interests	(30.5)		(23.8)				(23.8)	(6.7)
Increase in noncontrolling interests from business combinations	34.4							34.4
Change in temporary equity	11.2		11.2				11.2
Common stock dividends declared	(240.6)			(240.6)			(240.6)
Share-based compensation	69.3		69.3				69.3
Stock issued, share-based compensation	136.3		(193.0)			329.3	136.3
Treasury stock acquired	(1,296.0)					(1,296.0)	(1,296.0)
Balance at Dec. 31, 2010	3,893.1	59.6	1,271.9	7,052.5	(106.4)	(4,697.1)	3,580.5	312.6
Balance, shares at Dec. 31, 2010		397.2
Net Income	1,060.4			952.6			952.6	107.8
Other comprehensive income	(93.9)				(85.3)		(85.3)	(8.6)
Dividends to noncontrolling interests	(101.3)							(101.3)
Acquisition of noncontrolling interests	(54.8)		(32.8)				(32.8)	(22.0)
Increase in noncontrolling interests from business combinations	187.0							187.0
Change in temporary equity	(5.0)		(5.0)				(5.0)
Common stock dividends declared	(281.0)			(281.0)			(281.0)
Share-based compensation	74.5		74.5				74.5
Stock issued, share-based compensation	149.8		(265.1)			414.9	149.8
Treasury stock acquired	(849.0)					(849.0)	(849.0)
Balance at Dec. 31, 2011	3,979.8	59.6	1,043.5	7,724.1	(191.7)	(5,131.2)	3,504.3	475.5
Balance, shares at Dec. 31, 2011		397.2
Net Income	1,117.5			998.3			998.3	119.2
Other comprehensive income	58.9				62.2		62.2	(3.3)
Dividends to noncontrolling interests	(98.4)							(98.4)
Acquisition of noncontrolling interests	(49.3)		(28.1)				(28.1)	(21.2)
Increase in noncontrolling interests from business combinations	23.7							23.7
Change in temporary equity	4.7		4.7				4.7
Common stock dividends declared	(328.0)			(328.0)			(328.0)
Share-based compensation	80.8		80.8				80.8
Stock issued, share-based compensation	303.1		(264.3)			567.4	303.1
Treasury stock acquired	(1,136.5)					(1,136.5)	(1,136.5)
Balance at Dec. 31, 2012	$ 3,956.3	$ 59.6	$ 836.6	$ 8,394.4	$ (129.5)	$ (5,700.3)	$ 3,460.8	$ 495.5
Balance, shares at Dec. 31, 2012		397.2