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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Environmental Loss Contingencies by Site
The following table summarizes all probable environmental remediation, indemnification and restoration liabilities, including related legal expenses, at March 31, 2019 and December 31, 2018:
 
Liability
 
Range of Reasonably Possible Costs at March 31, 2019
Site Description
March 31, 2019
 
December 31, 2018
 
Low
 
High
Geismar, LA
$
13

 
$
13

 
$
9

 
$
22

Superfund and offsite landfills – allocated share:
 
 
 
 
 
 
 
Less than 1%
3

 
3

 
2

 
6

Equal to or greater than 1%
6

 
5

 
5

 
14

Currently-owned
5

 
6

 
4

 
11

Formerly-owned:
 
 
 
 
 
 
 
Remediation
22

 
22

 
20

 
39

Monitoring only
1

 
1

 
1

 
4

Total
$
50

 
$
50

 
$
41

 
$
96