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Goodwill (Tables)
 6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The gross carrying amounts and changes in the carrying amount of goodwill for the six months ended June 30, 2020 were as follows:
 
 
Olefins Segment
 
Vinyls Segment
 
Total
Balances at December 31, 2019
 
$
30

 
$
1,044

 
$
1,074

Effects of changes in foreign exchange rates
 
—

 
(4
)
 
(4
)
Balances at June 30, 2020
 
$
30

 
$
1,040

 
$
1,070