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Intangible Assets And Goodwill
9 Months Ended
Sep. 29, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill
Intangible Assets and Goodwill
Intangible Assets
Amortized intangible assets were comprised of the following: 
 
September 29, 2012
 
December 31, 2011
  
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Completed technology
$
635

 
$
630

 
$
635

 
$
627

Patents
277

 
277

 
277

 
277

Customer-related
137

 
118

 
137

 
103

Licensed technology
23

 
18

 
23

 
18

Other intangibles
90

 
89

 
90

 
89

 
$
1,162

 
$
1,132

 
$
1,162

 
$
1,114


Amortization expense on intangible assets was $6 million for the three months ended September 29, 2012 and $50 million for the three months ended October 1, 2011. For the nine months ended September 29, 2012 and October 1, 2011, amortization expense on intangible assets was $18 million and $150 million, respectively. As of September 29, 2012, annual amortization expense is estimated to be $25 million in 2012, $10 million in 2013, $8 million in 2014, $3 million in 2015 and $2 million in 2016.
Amortized intangible assets, excluding goodwill, by segment: 
 
September 29, 2012
 
December 31, 2011
  
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Government
$
53

 
$
48

 
$
53

 
$
48

Enterprise
1,109

 
1,084

 
1,109

 
1,066

 
$
1,162

 
$
1,132

 
$
1,162

 
$
1,114



Goodwill
The following table displays a rollforward of the carrying amount of goodwill by segment from January 1, 2012 to September 29, 2012: 
 
Government
 
Enterprise
 
Total
Balances as of January 1, 2012:
 
 
 
 
 
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

 
3

 
3

Goodwill divested
(1
)
 

 
(1
)
Balance as of September 29, 2012:
 
 
 
 
 
Aggregate goodwill acquired/divested
$
349

 
$
2,645

 
$
2,994

Accumulated impairment losses

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

 
$
1,081

 
$
1,430