v3.3.1.900
Intangible Assets and Goodwill
12 Months Ended
Jan. 03, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL
Intangible Assets and Goodwill
At the end of 2015 and 2014, the gross and net amounts of intangible assets were:
(Dollars in Millions)
 
2015
 
2014
Intangible assets with definite lives:
 
 

 
 

Patents and trademarks — gross
 
$
8,299

 
9,074

Less accumulated amortization
 
4,745

 
4,700

Patents and trademarks — net
 
$
3,554

 
4,374

Customer relationships and other intangibles — gross
 
$
17,583

 
17,970

Less accumulated amortization
 
5,816

 
5,227

Customer relationships and other intangibles — net
 
$
11,767

 
12,743

Intangible assets with indefinite lives:
 
 

 
 

Trademarks
 
$
7,023

 
7,263

Purchased in-process research and development
 
3,420

 
2,842

Total intangible assets with indefinite lives
 
$
10,443

 
10,105

Total intangible assets — net
 
$
25,764

 
27,222



Goodwill as of January 3, 2016 and December 28, 2014, as allocated by segment of business, was as follows:
(Dollars in Millions)
 
Consumer
 
Pharmaceutical
 
Med Devices
 
Total
Goodwill at December 29, 2013
 
$
8,531

 
2,068

 
12,199

 
22,798

Goodwill, related to acquisitions
 
13

 
665

 

 
678

Goodwill, related to divestitures
 
(138
)
 

 
(603
)
 
(741
)
Currency translation/other
 
(731
)
 
(107
)
 
(65
)
 
(903
)
Goodwill at December 28, 2014
 
$
7,675

 
2,626

 
11,531

 
21,832

Goodwill, related to acquisitions
 
110

 
366

 
34

 
510

Goodwill, related to divestitures
 
(119
)
 
(17
)
 
(57
)
 
(193
)
Currency translation/other
 
(426
)
 
(86
)
 
(8
)
 
(520
)
Goodwill at January 3, 2016
 
$
7,240

 
2,889

 
11,500

 
21,629



The weighted average amortization periods for patents and trademarks and customer relationships and other intangible assets are 18 years and 24 years, respectively. The amortization expense of amortizable assets included in cost of products sold was $1.2 billion, $1.4 billion and $1.4 billion before tax, for the fiscal years ended January 3, 2016, December 28, 2014 and December 29, 2013, respectively. The estimated amortization expense for the five succeeding years approximates $1.2 billion before tax, per year. Intangible asset write-downs are included in Other (income) expense, net.

See Note 20 to the Consolidated Financial Statements for additional details related to acquisitions and divestitures.