Earnings Per Share (Schedule Of Weighted-Average Number Of Shares Outstanding Used To Compute Earnings Per Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Earnings Per Share [Abstract]
Net earnings	$ 1,088		$ 967		$ 2,194		$ 1,890
Earnings available to participating securities	1		1		4		4
Net earnings available to common shareholders	$ 1,087		$ 966		$ 2,190		$ 1,886
Basic weighted average shares outstanding	763.3		755.9		763.2		754.2
Participating securities	1.9		2.4		2.0		2.4
Basic Weighted Average Number of Shares Outstanding	761.4		753.5		761.2		751.8
Basic weighted average shares outstanding	763.3		755.9		763.2		754.2
Dilutive potential common shares	8.5	[1]	6.1	[1]	6.9	[1]	6.5	[1]
Diluted weighted average shares outstanding	771.8		762.0		770.1		760.7
Participating securities	1.9		2.4		2.0		2.4
Diluted weighted average common shares outstanding	769.9		759.6		768.1		758.3
Net earnings per share, Basic	$ 1.43		$ 1.28		$ 2.88		$ 2.51
Net earnings per share, Diluted	$ 1.41		$ 1.27		$ 2.85		$ 2.49

[1] Diluted EPS includes any dilutive impact of stock options, restricted stock units and Performance Awards.