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Other Financial Information (Tables)
 12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Other Financial Information
Other financial information is as follows:
 
 
 
 
 
 
 
Year ended December 31
 
 
2018

 
 
2017

 
2016

Total financing interest and debt costs
$
921

 
 
$
902

 
$
753

Less: Capitalized interest
173

 
 
595

 
552

Interest and debt expense
$
748

 
 
$
307

 
$
201

Research and development expenses
$
453

 
 
$
433

 
$
476

Excess of replacement cost over the carrying value of inventories (LIFO method)
$
5,134

 
 
$
3,937

 
$
2,942

LIFO profits (losses) on inventory drawdowns included in earnings
$
26

 
 
$
(5
)
 
$
(88
)
Foreign currency effects*
$
611

 
 
$
(446
)
 
$
58

* Includes $416, $(45) and $1 in 2018, 2017 and 2016, respectively, for the company’s share of equity affiliates’ foreign currency effects.