Google Inc. | 2013 | FY | 3


Information regarding our acquisition-related intangible assets is as follows (in millions):
 
 
As of December 31, 2012
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
Patents and developed technology
$
7,310

 
$
1,323

 
$
5,987

Customer relationships
2,061

 
847

 
1,214

Trade names and other
576

 
304

 
272

Total
$
9,947

 
$
2,474

 
$
7,473

 
As of December 31, 2013
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Value
Patents and developed technology
$
7,282

 
$
2,102

 
$
5,180

Customer relationships
1,770

 
1,067

 
703

Trade names and other
534

 
351

 
183

Total
$
9,586

 
$
3,520

 
$
6,066


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