Consolidated Statements Of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balance, shares at Dec. 31, 2012		774.6
Balance, value at Dec. 31, 2012		$ 7.7	$ 3,688.1	$ 15,379.9	$ (59.2)	$ 67.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	$ 2,695.0			2,695.0
Other comprehensive income (loss)	273.7				273.7
Dividends declared				(69.6)
Common stock-based award activity, shares		6.5
Common stock-based award activity, value		$ 0.1	295.0
Common stock issued in connection with LYONs' conversions, shares		4.6
Common stock issued in connection with LYONs' conversions, value		$ 0.1	174.5
Shares redeemed through the distribution of the communications business (26.0 shares held as Treasury shares), value	0.0
Change in noncontrolling interests						(1.3)
Balance, shares at Dec. 31, 2013		785.7
Balance, value at Dec. 31, 2013		$ 7.9	4,157.6	18,005.3	214.5	66.1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	2,598.4			2,598.4
Other comprehensive income (loss)	(1,648.2)				(1,648.2)
Dividends declared				(280.7)
Common stock-based award activity, shares		5.2
Common stock-based award activity, value		$ 0.0	258.2
Common stock issued in connection with LYONs' conversions, shares		1.6
Common stock issued in connection with LYONs' conversions, value		$ 0.0	65.1
Shares redeemed through the distribution of the communications business (26.0 shares held as Treasury shares), value	0.0
Change in noncontrolling interests						5.6
Balance, shares at Dec. 31, 2014		792.5
Balance, value at Dec. 31, 2014	23,449.8	$ 7.9	4,480.9	20,323.0	(1,433.7)	71.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings for the year	3,357.4			3,357.4
Other comprehensive income (loss)	(877.5)				(877.5)
Dividends declared				(376.4)
Common stock-based award activity, shares		7.8
Common stock-based award activity, value		$ 0.1	443.9
Common stock issued in connection with LYONs' conversions, shares		1.3
Common stock issued in connection with LYONs' conversions, value		$ 0.0	56.4
Shares redeemed through the distribution of the communications business (26.0 shares held as Treasury shares), value	(2,291.7)			(2,291.7)
Change in noncontrolling interests						2.0
Balance, shares at Dec. 31, 2015		801.6
Balance, value at Dec. 31, 2015	$ 23,764.0	$ 8.0	$ 4,981.2	$ 21,012.3	$ (2,311.2)	$ 73.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares held as Treasury shares	26.0			26.0