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Inventories
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories at December 31 consisted of:
20202019
Finished goods$1,963 $1,772 
Raw materials and work in process6,420 5,650 
Supplies206 207 
Total (approximates current cost)8,589 7,629 
Decrease to LIFO cost(82)(171)
 $8,507 $7,458 
Recognized as:
Inventories$6,310 $5,978 
Other assets2,197 1,480 
Inventories valued under the LIFO method comprised approximately $2.9 billion and $2.6 billion at December 31, 2020 and 2019, respectively. Amounts recognized as Other assets are comprised almost entirely of raw materials and work in process inventories. At December 31, 2020 and 2019, these amounts included $1.9 billion and $1.3 billion, respectively, of inventories not expected to be sold within one year. In addition, these amounts included $279 million and $168 million at December 31, 2020 and 2019, respectively, of inventories produced in preparation for product launches.