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Intangible Assets and Goodwill (Tables)
12 Months Ended
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Amortized intangible assets were comprised of the following: 
 
2012
 
2011
December 31,
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Intangible assets:
 
 
 
 
 
 
 
Completed technology
$
657

 
$
632

 
$
635

 
$
627

Patents
276

 
276

 
276

 
276

Customer-related
201

 
125

 
137

 
103

Licensed technology
23

 
19

 
23

 
18

Other intangibles
94

 
90

 
91

 
90

 
$
1,251

 
$
1,142

 
$
1,162

 
$
1,114

Amortized Intangible Assets, Excluding Goodwill, By Business Segment
Amortized intangible assets, excluding goodwill, by segment are as follows: 
 
2012
 
2011
December 31,
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Government
$
53

 
$
48

 
$
53

 
$
48

Enterprise
1,198

 
1,094

 
1,109

 
1,066

 
$
1,251

 
$
1,142

 
$
1,162

 
$
1,114

Goodwill
The following table displays a rollforward of the carrying amount of goodwill by segment from January 1, 2010 to December 31, 2012: 
 
Government
 
Enterprise
 
Total
Company
Balances as of January 1, 2010:
 
 
 
 
 
Aggregate goodwill acquired
$
350

 
$
2,643

 
$
2,993

Accumulated impairment losses

 
(1,564
)
 
(1,564
)
Goodwill, net of impairment losses
350

 
1,079

 
1,429


 
 
 
 
 
Balance as of December 31, 2010:
 
 
 
 
 
Aggregate goodwill acquired
350

 
2,643

 
2,993

Accumulated impairment losses

 
(1,564
)
 
(1,564
)
Goodwill, net of impairment losses
350

 
1,079

 
1,429

Goodwill acquired

 
20

 
20

Goodwill divested

 
(21
)
 
(21
)
 
 
 
 
 
 
Balance as of December 31, 2011:
 
 
 
 
 
Aggregate goodwill acquired/divested
350

 
2,642

 
2,992

Accumulated impairment losses

 
(1,564
)
 
(1,564
)
Goodwill, net of impairment losses
350

 
1,078

 
1,428

Goodwill acquired

 
83

 
83

Goodwill divested
(1
)
 

 
(1
)
Balance as of December 31, 2012:
 
 
 
 
 
Aggregate goodwill acquired/divested
349

 
2,725

 
3,074

Accumulated impairment losses

 
(1,564
)
 
(1,564
)
Goodwill, net of impairment losses
$
349

 
$
1,161

 
$
1,510