Consolidated Statement Of Shareholders' Equity (USD $) In Millions	Common Stock Par [Member]	Common Stock Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Comprehensive Income [Member]	Total
Balance at Dec. 31, 2008	$ 482	$ 1,346	$ 13,287	$ (3,349)	$ (1,713)		$ 10,053
Net earnings			2,394			2,394	2,394
Cash dividends declared			(588)				(588)
Stock-based awards		172		86			258
Shares purchased				(200)			(200)
Net gain (loss) on cash flow hedges					45	45	45
Unrealized gains (losses) on securities					3	3	3
Foreign currency translation adjustments					290	290	290
Change in retirement plans' funded status					168	168	168
Balance at Dec. 31, 2009	482	1,518	15,093	(3,463)	(1,207)	2,900	12,423
Net earnings			2,624			2,624	2,624
Cash dividends declared			(641)				(641)
Stock-based awards		211		191			402
Shares purchased				(1,263)			(1,263)
Net gain (loss) on cash flow hedges					66	66	66
Unrealized gains (losses) on securities					1	1	1
Foreign currency translation adjustments					279	279	279
Change in retirement plans' funded status					(575)	(575)	(575)
Balance at Dec. 31, 2010	482	1,729	17,076	(4,535)	(1,436)	2,395	13,316
Net earnings			2,526			2,526	2,526
Cash dividends declared			(685)				(685)
Stock-based awards		159		181			340
Shares purchased				(1,389)			(1,389)
Net gain (loss) on cash flow hedges					(59)	(59)	(59)
Unrealized gains (losses) on securities					(1)	(1)	(1)
Foreign currency translation adjustments					(71)	(71)	(71)
Change in retirement plans' funded status					(745)	(745)	(745)
Balance at Dec. 31, 2011	$ 482	$ 1,888	$ 18,917	$ (5,743)	$ (2,312)	$ 1,650	$ 13,232