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, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Earnings Per Share [Abstract]
Net earnings	$ 1,362		$ 1,158		$ 3,980		$ 3,352
Earnings available to participating securities	2		2		5		6
Net earnings available to common shareholders	$ 1,360		$ 1,156		$ 3,975		$ 3,346
Basic weighted average shares outstanding	722.8		759.4		733.3		762.0
Participating securities	1.3		1.8		1.3		1.9
Basic weighted average common shares outstanding	721.5		757.6		732.0		760.1
Basic weighted average shares outstanding	722.8		759.4		733.3		762.0
Dilutive potential common shares	9.1	[1]	9.7	[1]	9.0	[1]	7.8	[1]
Diluted weighted average shares outstanding	731.9		769.1		742.3		769.8
Participating securities	1.3		1.8		1.3		1.9
Diluted weighted average common shares outstanding	730.6		767.3		741.0		767.9
Net earnings per share, Basic	$ 1.88		$ 1.53		$ 5.43		$ 4.40
Net earnings per share, Diluted	$ 1.86		$ 1.51		$ 5.36		$ 4.36

[1] Diluted earnings per share includes any dilutive impact of stock options, restricted stock units, performance-based restricted stock units and performance awards.