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				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Earnings Per Share [Abstract]
Net earnings	$ 1,158		$ 1,032		$ 3,352		$ 2,922
Earnings available to participating securities	2		3		6		7
Net earnings available to common shareholders	$ 1,156		$ 1,029		$ 3,346		$ 2,915
Basic weighted average shares outstanding	759.4		759.5		762.0		756.6
Participating securities	1.8		2.4		1.9		2.3
Basic weighted average common shares outstanding	757.6		757.1		760.1		754.3
Basic weighted average shares outstanding	759.4		759.5		762.0		756.6
Dilutive potential common shares	9.7	[1]	5.7	[1]	7.8	[1]	5.7	[1]
Diluted weighted average shares outstanding	769.1		765.2		769.8		762.3
Participating securities	1.8		2.4		1.9		2.3
Diluted weighted average common shares outstanding	767.3		762.8		767.9		760.0
Net earnings per share, Basic	$ 1.53		$ 1.36		$ 4.40		$ 3.86
Net earnings per share, Diluted	$ 1.51		$ 1.35		$ 4.36		$ 3.84

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