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Other Financial Information (Tables)
 12 Months Ended
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Other Financial Information
Other financial information is as follows:
Year ended December 31
202420232022
Total financing interest and debt costs$773 $617 $630 
Less: Capitalized interest179 148 114 
Interest and debt expense$594 $469 $516 
Research and development expenses$353 $320 $268 
Excess of replacement cost over the carrying value of inventories (LIFO method)
$5,997 $6,455 $9,061 
LIFO profits (losses) on inventory drawdowns included in earnings$(111)$14 $122 
Foreign currency effects*
$520 $(224)$669 
* Includes $45, $(11) and $253 in 2024, 2023 and 2022, respectively, for the company’s share of equity affiliates’ foreign currency effects.