Consolidated Statements Of Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests
Balance, value at Dec. 31, 2009		$ 3.6	$ 2,074.5	$ 9,205.1	$ 346.9
Balance, shares at Dec. 31, 2009		358.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	1,793.0			1,793.0
Other comprehensive loss	(1.5)				(1.5)
Dividends declared				(52.2)
Common stock based award activity, value		0.1	266.4
Common stock based award activity, shares		6.0
Stock dividend, value		3.6	(3.6)
Stock dividend, shares		362.2
Common stock issued in connection with LYONs' conversions, value		0	75.1
Common stock issued in connection with LYONs' conversions, shares		2.4
Treasury stock purchase (12.5 shares)	0
Change in non-controlling interests						61.8
Balance, value at Dec. 31, 2010		7.3	2,412.4	10,945.9	345.4	61.8
Balance, shares at Dec. 31, 2010		729.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	2,172.3			2,172.3
Other comprehensive loss	(382.3)				(382.3)
Dividends declared				(61.3)
Common stock issuance, value		0.2	966.3
Common stock issuance, shares		19.3
Common stock based award activity, value		0	241.5
Common stock based award activity, shares		4.8
Common stock issued in connection with LYONs' conversions, value		0.1	257.0
Common stock issued in connection with LYONs' conversions, shares		7.5
Treasury stock purchase (12.5 shares)	0
Change in non-controlling interests						5.2
Balance, value at Dec. 31, 2011	16,971.8	7.6	3,877.2	13,056.9	(36.9)	67.0
Balance, shares at Dec. 31, 2011		761.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	2,392.2			2,392.2
Other comprehensive loss	(22.3)				(22.3)
Dividends declared				(69.2)
Common stock based award activity, value		0.1	321.7
Common stock based award activity, shares		9.7
Common stock issued in connection with LYONs' conversions, value		0	137.6
Common stock issued in connection with LYONs' conversions, shares		3.8
Treasury stock purchase (12.5 shares)	648.4		(648.4)
Change in non-controlling interests						0.4
Balance, value at Dec. 31, 2012	$ 19,083.9	$ 7.7	$ 3,688.1	$ 15,379.9	$ (59.2)	$ 67.4
Balance, shares at Dec. 31, 2012		774.6