Earnings Per Share (Schedule Of Weighted-Average Number Of Shares Outstanding Used To Compute Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net earnings	$ 1,110		$ 1,653		$ 2,446	$ 2,618
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic			1		2	3
Net earnings available to common shareholders	$ 1,110		$ 1,652		$ 2,444	$ 2,615
Basic weighted average shares outstanding	691.2		731.1		698.5	738.3
Participating securities	1.1		1.3		1.1	1.3
Basic weighted average common shares outstanding	690.1		729.8		697.4	737.0
Basic weighted average shares outstanding	691.2		731.1		698.5	738.3
Dilutive potential common shares	7.7	[1]	9.0	[1]	8.1	9.1
Diluted weighted average shares outstanding	698.9		740.1		706.6	747.4
Participating securities	1.1		1.3		1.1	1.3
Diluted weighted average common shares outstanding	697.8		738.8		705.5	746.1
Net earnings per share, Basic	$ 1.61		$ 2.26		$ 3.50	$ 3.55
Net earnings per share, Diluted	$ 1.59		$ 2.24		$ 3.46	$ 3.50

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