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Goodwill and Intangible Assets
12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets [Text Block]
Goodwill and Intangible Assets
At December 31, 2016 our total goodwill balance of $1.9 billion consisted of $1.4 billion recorded in GM Financial and $490 million included in Corporate. At December 31, 2015 our goodwill balance of $1.4 billion was recorded in GM Financial.
 
December 31, 2016
 
December 31, 2015
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net Carrying Amount
Technology and intellectual property
$
8,399

 
$
7,940

 
$
459

 
$
8,263

 
$
7,838

 
$
425

Brands
4,421

 
933

 
3,488

 
4,427

 
808

 
3,619

Dealer network, customer relationships and other
1,356

 
912

 
444

 
1,346

 
814

 
532

Total intangible assets
$
14,176

 
$
9,785

 
$
4,391

 
$
14,036

 
$
9,460

 
$
4,576



Our amortization expense related to Intangible assets was $328 million, $327 million, and $676 million in the years ended December 31, 2016, 2015 and 2014.

Amortization expense related to Intangible assets is estimated to be approximately $200 million in each of the next five years.