Consolidated Statements Of Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Non-Controlling Interest [Member]
Beginning Balance at Dec. 31, 2012	$ 5,967	$ 5,061	$ 4,122	$ (15,937)	$ 30,037	$ (17,416)	$ 100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	4,594				4,585		9
Other Comprehensive Income (Loss), Portion Attributable to Parent, net of tax of ($686) in 2015, $2,199 in 2014, and ($4,246) in 2013	7,522					7,522
Share-based compensation and related dividend equivalents	200		216		(16)
Excess tax pools	101		101
Treasury shares issued for stock options exercised, net	1,097		109	988
Treasury shares issued for other share-based plans, net	(54)		(133)	79
Common shares repurchased	(2,801)			(2,801)
Cash dividends declared of $3.820 per share in 2015, $3.100 per share in 2014, and $2.185 per share in 2013	(1,642)				(1,642)
Changes in noncontrolling interests	13						13
Ending Balance at Dec. 31, 2013	14,997	5,061	4,415	(17,671)	32,964	(9,894)	122
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	5,456				5,446		10
Other Comprehensive Income (Loss), Portion Attributable to Parent, net of tax of ($686) in 2015, $2,199 in 2014, and ($4,246) in 2013	(4,009)					(4,009)
Share-based compensation and related dividend equivalents	188		208		(20)
Excess tax pools	114		114
Treasury shares issued for stock options exercised, net	343		17	326
Treasury shares issued for other share-based plans, net	(81)		(129)	48
Common shares repurchased	(6,001)			(6,001)
Cash dividends declared of $3.820 per share in 2015, $3.100 per share in 2014, and $2.185 per share in 2013	(2,210)				(2,210)
Changes in noncontrolling interests	(7)						(7)
Ending Balance at Dec. 31, 2014	8,790	5,061	4,625	(23,298)	36,180	(13,903)	125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	5,173				5,176		(3)
Other Comprehensive Income (Loss), Portion Attributable to Parent, net of tax of ($686) in 2015, $2,199 in 2014, and ($4,246) in 2013	1,155					1,155
Share-based compensation and related dividend equivalents	189		214		(25)
Excess tax pools	158		158
Treasury shares issued for stock options exercised, net	399		(29)	428
Treasury shares issued for other share-based plans, net	(81)		(134)	53
Common shares repurchased	(6,751)			(6,751)
Cash dividends declared of $3.820 per share in 2015, $3.100 per share in 2014, and $2.185 per share in 2013	(2,575)				(2,575)
Changes in noncontrolling interests	(60)						(60)
Ending Balance at Dec. 31, 2015	$ 6,397	$ 5,061	$ 4,834	$ (29,568)	$ 38,756	$ (12,748)	$ 62