Consolidated Statements of Equity (USD $) In Millions, except Share data	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, 2008	$ 3,753.4	$ 59.6	$ 1,629.0	$ 5,859.6	$ (247.3)	$ (3,778.1)	$ 3,522.8	$ 230.6
Balance, shares at Dec. 31, 2008		397,223,078
Net Income	871.4			793.0			793.0	78.4
Other comprehensive income	248.7				239.3		239.3	9.4
Dividends to noncontrolling interests	(91.7)							(91.7)
Acquisition of noncontrolling interests	(32.7)		(25.6)				(25.6)	(7.1)
Increase in noncontrolling interests from business combinations	38.4							38.4
Adoption of and changes in temporary equity	(210.3)		(210.3)				(210.3)
Common stock dividends declared	(187.2)			(187.2)			(187.2)	0
Share-based compensation	78.6		78.6				78.6	0
Stock issued, share-based compensation	(0.8)		(63.5)			62.7	(0.8)	0
Treasury stock acquired	(15.0)					(15.0)	(15.0)	0
Cancellation of shares	0						0	0
Cancellation of shares, shares		(5,638)
Balance, shares		397,217,440
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
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
Adoption of and changes in temporary equity	11.2		11.2				11.2
Common stock dividends declared	(240.6)			(240.6)			(240.6)	0
Share-based compensation	69.3		69.3				69.3	0
Stock issued, share-based compensation	136.3		(193.0)			329.3	136.3	0
Treasury stock acquired	(1,296.0)					(1,296.0)	(1,296.0)	0
Balance, shares		397,217,440
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		397,217,440
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
Adoption of and changes in temporary equity	(5.0)		(5.0)				(5.0)
Common stock dividends declared	(281.0)			(281.0)			(281.0)	0
Share-based compensation	74.5		74.5				74.5	0
Stock issued, share-based compensation	149.8		(265.1)			414.9	149.8	0
Treasury stock acquired	(849.0)					(849.0)	(849.0)	0
Balance, shares		397,217,440
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