Business Group Information (Tables)

12 Months Ended

Dec. 31, 2011

Business Group Information [Abstract]

Summary Operating Results For Each Of Business Groups


	Revenues						Operating Earnings
Year Ended December 31	2009		2010		2011		2009			2010			2011
Aerospace	$	5,171	$	5,299	$	5,998	$	707		$	860		$	729
Combat Systems		9,645		8,878		8,827		1,262			1,275			1,283
Marine Systems		6,363		6,677		6,631		642			674			691
Information Systems and Technology		10,802		11,612		11,221		1,151			1,219			1,200
Corporate*		–		–		–		(87	)		(83	)		(77	)
	$	31,981	$	32,466	$	32,677	$	3,675		$	3,945		$	3,826



		Revenues from U.S. Government						Identifiable Assets
Year Ended December 31	2009		2010		2011		2009		2010		2011
Aerospace	$	189	$	220	$	171	$	6,815	$	6,963	$	7,132
Combat Systems		7,288		6,637		6,343		9,342		9,324		10,106
Marine Systems		6,067		6,518		6,582		2,512		2,612		2,858
Information Systems and Technology		9,177		9,888		9,507		10,416		10,898		11,934
Corporate*		–		–		–		1,992		2,748		2,853
	$	22,721	$	23,263	$	22,603	$	31,077	$	32,545	$	34,883



	Capital Expenditures						Depreciation and Amortization
Year Ended December 31	2009		2010		2011		2009		2010		2011
Aerospace	$	112	$	66	$	153	$	142	$	133	$	142
Combat Systems		104		116		90		156		162		173
Marine Systems		85		95		116		71		74		74
Information Systems and Technology		77		83		93		186		193		196
Corporate*		7		10		6		7		7		7
	$	385	$	370	$	458	$	562	$	569	$	592

*	Corporate operating results include our stock option expense and a portion of the operating results of our pension plans. Corporate identifiable assets include cash and equivalents from domestic operations and assets of discontinued operations.

Schedule Of Revenues By Geographic Area Based On The Location Of Customers


Year Ended December 31	2009		2010		2011
North America:
United States	$	26,017	$	26,488	$	26,401
Canada		760		854		806
Other		33		281		39
Total North America		26,810		27,623		27,246
Europe:
United Kingdom		614		802		857
Switzerland		748		648		582
Spain		529		450		405
Other		1,226		929		1,113
Total Europe		3,117		2,829		2,957
Asia/Pacific:
China		468		578		929
Other		686		537		555
Total Asia/Pacific		1,154		1,115		1,484
Africa/Middle East		637		569		672
South America		263		330		318
	$	31,981	$	32,466	$	32,677

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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