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Impairment Testing (Tables)
12 Months Ended
Dec. 31, 2017
Notes to Consolidated Financial Statements [Abstract]  
Intangible assets with an indefinite useful life

A. Impairment testing for intangible assets with an indefinite useful life (cont’d)

The carrying amounts of intangible assets with an indefinite useful life are as follows:

 

As at December 31

 

2017

2016

 

$ millions

$ millions

 

Goodwill

 

 

Specialty Solutions

207

211

Essential Minerals

119

166

 

326

377

 

 

 

Trademarks

 

 

Industrial Products, United States

13

13

Advanced Additives, United States

7

9

Food, United States

5

5

Industrial Products, Europe

6

5

 

31

32

 

357

409