Business Group Information (Tables)

12 Months Ended

Dec. 31, 2013

Summary Of Financial Information For Each Of Our Business Groups

Summary financial information for each of our business groups follows:



	Revenues						Operating Earnings									Revenues from U.S. Government
Year Ended December 31	2011		2012		2013		2011			2012			2013			2011		2012		2013
Aerospace	$	5,998	$	6,912	$	8,118	$	729		$	858		$	1,416		$	171	$	160	$	98
Combat Systems	8,827		7,992		6,120		1,283			663			904			6,343		5,699		4,057
Marine Systems	6,631		6,592		6,712		691			750			666			6,582		6,504		6,536
Information Systems and Technology	11,221		10,017		10,268		1,200			(1,369		)	795			9,507		8,442		8,572
Corporate*	—		—		—		(77		)	(69		)	(96		)	—		—		—
	$	32,677	$	31,513	$	31,218	$	3,826		$	833		$	3,685		$	22,603	$	20,805	$	19,263



	Identifiable Assets						Capital Expenditures						Depreciation and Amortization
Year Ended December 31	2011		2012		2013		2011		2012		2013		2011		2012		2013
Aerospace	$	7,132	$	7,524	$	8,005	$	153	$	204	$	250	$	142	$	125	$	123
Combat Systems	9,967		9,619		9,393		90		87		54		173		173		144
Marine Systems	2,858		3,032		3,088		116		85		83		74		95		103
Information Systems and Technology	11,934		9,701		9,432		93		72		52		196		220		178
Corporate*	2,992		4,433		5,530		6		2		1		7		7		8
	$	34,883	$	34,309	$	35,448	$	458	$	450	$	440	$	592	$	620	$	556

*Corporate operating results primarily consist of stock option expense. Corporate identifiable assets are primarily cash and equivalents.

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

The following table presents our revenues by geographic area based on the location of our customers:



Year Ended December 31	2011		2012		2013
North America:
United States	$	26,401	$	25,004	$	24,845
Canada	806		878		923
Other	39		165		40
Total North America	27,246		26,047		25,808
Europe:
United Kingdom	857		1,027		881
Switzerland	582		679		541
Russia	287		548		244
Spain	405		288		201
Other	826		534		974
Total Europe	2,957		3,076		2,841
Asia/Pacific:
China	929		876		987
Other	555		541		499
Total Asia/Pacific	1,484		1,417		1,486
Africa/Middle East	672		713		748
South America	318		260		335
	$	32,677	$	31,513	$	31,218

- 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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