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Other Financial Information (Tables)
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Other Financial Information
Other financial information is as follows:
 
 
 
 
 
 
 
Year ended December 31
 
 
2019

 
 
2018

 
2017

Total financing interest and debt costs
$
817

 
 
$
921

 
$
902

Less: Capitalized interest
19

 
 
173

 
595

Interest and debt expense
$
798

 
 
$
748

 
$
307

Research and development expenses
$
500

 
 
$
453

 
$
433

Excess of replacement cost over the carrying value of inventories (LIFO method)
$
4,513

 
 
$
5,134

 
$
3,937

LIFO profits (losses) on inventory drawdowns included in earnings
$
(9
)
 
 
$
26

 
$
(5
)
Foreign currency effects*
$
(304
)
 
 
$
611

 
$
(446
)
* Includes $(28), $416 and $(45) in 2019, 2018 and 2017, respectively, for the company’s share of equity affiliates’ foreign currency effects.