Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Summary of Segment Information

The tables below present net sales, operating income, depreciation and amortization, capital expenditures and total assets by reportable segment.

	Year Ended December 31,
	2013		2012		2011
	(in millions)
Net Sales
Products
Aerospace Systems	$	1,827	$	1,755	$	1,579
Electronic Systems		3,661		3,754		3,862
Communication Systems		1,755		2,083		2,042
NSS		71		98		153
Elimination of intercompany sales		(125)		(104)		(87)
Total products sales		7,189		7,586		7,549
Services
Aerospace Systems		2,730		2,844		2,857
Electronic Systems		1,054		1,011		928
Communication Systems		471		445		428
NSS		1,228		1,292		1,465
Elimination of intercompany sales		(50)		(71)		(73)
Total services sales		5,433		5,521		5,605
Consolidated total	$	12,622	$	13,107	$	13,154
Operating Income
Aerospace Systems	$	426	$	437	$	451
Electronic Systems		533		569		624
Communication Systems		168		223		265
NSS		85		79		101
Segment Total	$	1,212	$	1,308	$	1,441
Impairment charge(1)		—		—		(43)
Consolidated total	$	1,212	$	1,308	$	1,398
Depreciation and amortization
Aerospace Systems	$	38	$	46	$	44
Electronic Systems		117		121		124
Communication Systems		48		47		43
NSS		11		14		19
Consolidated total	$	214	$	228	$	230
Capital Expenditures
Aerospace Systems	$	54	$	42	$	42
Electronic Systems		71		77		79
Communication Systems		59		84		60
NSS		5		5		5
Corporate		20		2		1
Consolidated total	$	209	$	210	$	187
Total Assets
Aerospace Systems	$	3,087	$	3,074	$	3,125
Electronic Systems		6,928		6,792		6,607
Communication Systems		2,130		2,179		1,783
NSS		1,247		1,228		1,317
Corporate		596		527		959
Assets of discontinued operations		—		—		1,729
Consolidated total	$	13,988	$	13,800	$	15,520

⁽¹⁾  Represents a non-cash goodwill impairment charge recorded in the fourth quarter of 2011 due to a decline in the estimated fair value of a reporting unit within the Electronic Systems segment.

Company's Sales Attributable to U.S. Customers and International Customers

The Company’s sales attributable to U.S. and international customers, based on location of the customer, are summarized in the table below.

	Year Ended December 31,
	2013		2012		2011
	(in millions)
U.S.	$	9,808	$	10,658	$	11,067
International:
United Kingdom		449		360		310
Canada		357		314		328
Germany		272		263		243
Australia		218		222		118
South Korea		178		125		93
Saudi Arabia		132		76		41
Italy		107		116		98
Other		1,101		973		856
Total international		2,814		2,449		2,087
Consolidated	$	12,622	$	13,107	$	13,154

Net Sales to Principal Customers

Net sales to principal customers are summarized in the table below.

	Year Ended December 31,
	2013		2012		2011
	(in millions)
U.S. Government agencies(1)	$	9,186	$	9,986	$	10,438
Commercial		1,689		1,658		1,524
Allied international governments(1)		1,747		1,463		1,192
Consolidated	$	12,622	$	13,107	$	13,154

⁽¹⁾  Includes sales for which the Company is the prime contractor as well as sales based on the ultimate end customer for which the Company is a subcontractor.