Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

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,
	2014		2013		2012
	(in millions)
Net Sales
Products
Electronic Systems	$	3,685	$	3,661	$	3,754
Aerospace Systems		1,722		1,827		1,755
Communication Systems		1,541		1,755		2,083
NSS		75		71		98
Elimination of intercompany sales		(114)		(125)		(104)
Total products sales		6,909		7,189		7,586
Services
Electronic Systems	$	1,029	$	1,054	$	1,011
Aerospace Systems		2,604		2,730		2,844
Communication Systems		499		471		445
NSS		1,140		1,228		1,292
Elimination of intercompany sales		(57)		(50)		(71)
Total services sales		5,215		5,433		5,521
Consolidated total	$	12,124	$	12,622	$	13,107
Operating Income
Electronic Systems	$	537	$	533	$	569
Aerospace Systems		288		426		437
Communication Systems		196		168		223
NSS		64		85		79
Consolidated total	$	1,085	$	1,212	$	1,308
Depreciation and amortization
Electronic Systems	$	123	$	117	$	121
Aerospace Systems		40		38		46
Communication Systems		51		48		47
NSS		11		11		14
Consolidated total	$	225	$	214	$	228
Capital Expenditures
Electronic Systems	$	80	$	71	$	77
Aerospace Systems		59		54		42
Communication Systems		29		59		84
NSS		9		5		5
Corporate		6		20		2
Consolidated total	$	183	$	209	$	210
Total Assets
Electronic Systems	$	6,287	$	6,928	$	6,792
Aerospace Systems		3,011		3,106		3,074
Communication Systems		1,997		2,130		2,179
NSS		1,287		1,247		1,228
Corporate		707		596		527
Assets held for sale		547		—		—
Consolidated total	$	13,836	$	14,007	$	13,800

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,
	2014		2013		2012
	(in millions)
U.S.	$	9,172	$	9,808	$	10,658
International:
United Kingdom		342		449		360
Canada		289		357		314
Australia		254		218		222
Germany		243		272		263
South Korea		226		178		125
Saudi Arabia		160		132		76
Japan		124		67		78
Other		1,314		1,141		1,011
Total international		2,952		2,814		2,449
Consolidated	$	12,124	$	12,622	$	13,107

Net Sales to Principal Customers

Net sales to principal customers are summarized in the table below.
	Year Ended December 31,
	2014		2013		2012
	(in millions)
U.S. Government agencies(1)	$	8,584	$	9,186	$	9,986
Commercial		1,693		1,689		1,658
Foreign governments(1)		1,847		1,747		1,463
Consolidated	$	12,124	$	12,622	$	13,107

⁽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.