Consolidated Statements of Stockholders Equity (USD $) In Millions	Total	Common Shares [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Shares [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2009	$ 5,638.7	$ 2.5	$ 3,214.6	$ 5,102.5	$ 358.6	$ (3,039.5)
Balance, shares at Dec. 31, 2009		254.1				(49.9)
Net earnings	596.9			596.9
Other comprehensive (loss) income	(37.6)				(37.6)
Stock compensation plans, including tax benefits	78.9		78.9
Stock compensation plans, including tax benefits, shares		0.5
Share repurchases	(505.6)					(505.6)
Share repurchases, shares						(9.1)
Balance at Dec. 31, 2010	5,771.3	2.5	3,293.5	5,699.4	321.0	(3,545.1)
Balance , Shares at Dec. 31, 2010		254.6				(59.0)
Net earnings	760.0			760.8			(0.8)
Other comprehensive (loss) income	(49.6)				(49.6)		(0.1)
Business combination with a noncontrolling interest	8.5						8.5
Cash dividend declared ,per share of common stock	(32.1)			(32.1)
Stock compensation plans, including tax benefits	106.8		105.7	(1.3)		2.4
Stock compensation plans, including tax benefits, shares		1.3
Share repurchases	(1,050.0)					(1,050.0)
Share repurchases, shares						(18.9)
Balance at Dec. 31, 2011	5,514.8	2.5	3,399.2	6,426.8	271.4	(4,592.7)	7.6
Balance , Shares at Dec. 31, 2011		255.9				(77.9)
Net earnings	752.9			755.0			(2.1)
Other comprehensive (loss) income	72.5				72.5		(0.1)
Cash dividend declared ,per share of common stock	(93.3)			(93.3)
Stock compensation plans, including tax benefits	105.1	0.1	101.4	(2.6)		6.2
Stock compensation plans, including tax benefits, shares		1.2				0.1
Share repurchases	(485.6)					(485.6)
Share repurchases, shares	(7.7)					(7.7)
Balance at Dec. 31, 2012	$ 5,866.3	$ 2.6	$ 3,500.6	$ 7,085.9	$ 343.9	$ (5,072.1)	$ 5.4
Balance , Shares at Dec. 31, 2012		257.1				(85.5)