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Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible assets
Intangible assets consisted of the following (in millions):
 
September 30, 2012
 
December 31, 2011
 
Gross
carrying
amount
 
Accumulated
amortization
 
Intangible
assets, net
 
Gross
carrying
amount
 
Accumulated
amortization
 
Intangible
assets, net
Finite-lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
Acquired product technology rights:
 
 
 
 
 
 
 
 
 
 
 
Developed product technology
$
2,872

 
$
(1,955
)
 
$
917

 
$
2,872

 
$
(1,811
)
 
$
1,061

Core technology
1,348

 
(917
)
 
431

 
1,348

 
(850
)
 
498

Trade name
190

 
(129
)
 
61

 
190

 
(120
)
 
70

Acquired R&D technology rights
687

 
(370
)
 
317

 
350

 
(350
)
 
—

Other acquired intangible assets
897

 
(457
)
 
440

 
686

 
(406
)
 
280

Total finite-lived intangible assets
5,994

 
(3,828
)
 
2,166

 
5,446

 
(3,537
)
 
1,909

 
 
 
 
 
 
 
 
 
 
 
 
Indefinite-lived intangible assets:
 
 
 
 
 
 
 
 
 
 
 
IPR&D
1,358

 
—

 
1,358

 
675

 
—

 
675

Contract assets
156

 
—

 
156

 
—

 
—

 
—

Total indefinite-lived intangible assets
1,514

 
—

 
1,514

 
675

 
—

 
675

 
 
 
 
 
 
 
 
 
 
 
 
Total identifiable intangible assets
$
7,508

 
$
(3,828
)
 
$
3,680

 
$
6,121

 
$
(3,537
)
 
$
2,584