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				9 Months Ended
	Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net earnings	$ 1,704		$ 1,362		$ 4,150	$ 3,980
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	3		2		5	5
Net earnings available to common shareholders	$ 1,701		$ 1,360		$ 4,145	$ 3,975
Basic weighted average shares outstanding	681.3		722.8		692.9	733.3
Participating securities	1.2		1.3		1.1	1.3
Basic weighted average common shares outstanding	680.1		721.5		691.8	732.0
Basic weighted average shares outstanding	681.3		722.8		692.9	733.3
Dilutive potential common shares	7.7	[1]	9.1	[1]	8.0	9.0
Diluted weighted average shares outstanding	689.0		731.9		700.9	742.3
Participating securities	1.2		1.3		1.1	1.3
Diluted weighted average common shares outstanding	687.8		730.6		699.8	741.0
Net earnings per share, Basic	$ 2.50		$ 1.88		$ 5.99	$ 5.43
Net earnings per share, Diluted	$ 2.47		$ 1.86		$ 5.92	$ 5.36

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