Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Financial Information

Other financial information is as follows:
	Year ended December 31
	2021		2020		2019
Total financing interest and debt costs	$	775	$	735	$	817
Less: Capitalized interest	63		38		19
Interest and debt expense	$	712	$	697	$	798
Research and development expenses	$	268	$	435	$	500
Excess of replacement cost over the carrying value of inventories (LIFO method)	$	5,588	$	2,749	$	4,513
LIFO profits (losses) on inventory drawdowns included in earnings	$	35	$	(147)	$	(9)
Foreign currency effects*	$	306	$	(645)	$	(304)

* Includes $180, $(152) and $(28) in 2021, 2020 and 2019, respectively, for the company’s share of equity affiliates’ foreign currency effects.