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
	Mar. 31, 2013		Mar. 31, 2012
Earnings Per Share [Abstract]
Net earnings	$ 1,106		$ 923
Earnings available to participating securities	3		3
Net earnings available to common shareholders	$ 1,103		$ 920
Basic weighted average shares outstanding	763.3		752.5
Participating securities	2.1		2.3
Basic Weighted Average Number of Shares Outstanding	761.2		750.2
Basic weighted average shares outstanding	763.3		752.5
Dilutive potential common shares	5.4	[1]	7.1	[1]
Diluted weighted average shares outstanding	768.7		759.6
Participating securities	2.1		2.3
Diluted weighted average common shares outstanding	766.6		757.3
Net earnings per share, Basic	$ 1.45		$ 1.23
Net earnings per share, Diluted	$ 1.44		$ 1.22

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