Delphi Automotive PLC | 2013 | FY | 3

INTANGIBLE ASSETS AND GOODWILL
The changes in the carrying amount of intangible assets and goodwill were as follows as of December 31, 2013 and 2012. See Note 20. Acquisitions and Divestitures for a further description of the MVL acquisition.
 
 
 
As of December 31, 2013
 
As of December 31, 2012:
 
Estimated Useful
Lives
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
 
(Years)
 
(in millions)
 
(in millions)
Amortized intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
Patents and developed technology
6-15
 
$
671

 
$
201

 
$
470

 
$
636

 
$
142

 
$
494

Customer relationships
6-10
 
297

 
125

 
172

 
293

 
85

 
208

Trade names
6-20
 
102

 
21

 
81

 
103

 
16

 
87

Total
 
 
1,070

 
347

 
723

 
1,032

 
243

 
789

Unamortized intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
In-process research & development
—
 
—

 
—

 
—

 
14

 
—

 
14

Goodwill
—
 
496

 
—

 
496

 
473

 
—

 
473

Total
 
 
$
1,566

 
$
347

 
$
1,219

 
$
1,519

 
$
243

 
$
1,276


Estimated amortization expense for the years ending December 31, 2014, 2015, 2016, 2017 and 2018 is presented below:
 
Year Ending December 31,
 
2014
 
2015
 
2016
 
2017
 
2018
 
(in millions)
Estimated amortization expense
$
97

 
$
88

 
$
81

 
$
78

 
$
70


A roll-forward of the gross carrying amounts of intangible assets for the years ended December 31, 2013 and 2012 is presented below:
 
2013
 
2012
 
(in millions)
Balance at January 1
$
1,519

 
$
758

Acquisitions
12

 
733

Foreign currency translation and other
35

 
28

Balance at December 31
$
1,566

 
$
1,519


A roll-forward of the accumulated amortization for the years ended December 31, 2013 and 2012 is presented below:
 
2013
 
2012
 
(in millions)
Balance at January 1
$
243

 
$
162

Amortization
104

 
84

Foreign currency translation and other
—

 
(3
)
Balance at December 31
$
347

 
$
243


A roll-forward of the carrying amount of goodwill, by operating segment, for the years ended December 31, 2013 and 2012 is presented below:
 
Electrical/Electronic Architecture
 
Powertrain Systems
 
Total
 
(in millions)
Balance at January 1, 2012
$
—

 
$
8

 
$
8

Acquisitions
454

 
—

 
454

Foreign currency translation and other
11

 
—

 
11

Balance at December 31, 2012
$
465

 
$
8

 
$
473

Foreign currency translation and other
22

 
1

 
23

Balance at December 31, 2013
$
487

 
$
9

 
$
496

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