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Reorganization and Business Transformation (Tables)
12 Months Ended
Dec. 31, 2017
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs
The Company incurred the following costs related to these actions for the years ended December 31:
In millions
 
2017
 
2016
 
2015
Employee severance and other employee related cost
 
$
2

 
$
14

 
$
4

Asset write-downs
 

 
80

 
140

Professional services, legal and other associated cost
 
24

 
35

 
8

Total reorganization and business transformation cost
 
$
26

 
$
129

 
$
152