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Restructuring Expense (Tables)
3 Months Ended
Mar. 31, 2017
Restructuring Expense [Abstract]  
Summary of Changes in Restructuring Liability
A summary in the changes in the liability established for restructuring, which is included in “Accrued liabilities” in the unaudited Condensed Consolidated Balance Sheets, is as follows:

  
2017
  
2016
 
Balance, January 1,
 
$
  
$
15
 
Restructuring expense
  
   
2
 
Cash (payments) receipts
  
1
   
(13
)
         
Balance, March 31,
 
$
1
  
$
4
 
Restructuring Expense by Segment
Restructuring expense by segment for the three months ended March 31, 2017 and 2016 was as follows:

  
Three
 Months
 Ended
 March 31,
2017
  
Three
 Months
 Ended
 March 31,
 2016
 
TiO2
 
$
 
 
$
1
 
Alkali
  
1
   
 
Corporate
  
(1
  
1
 
Total
 
$
  
$
2