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Inventories (Notes)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following:
June 30,
2021
December 31,
2020
Finished products$514 $524 
Feedstock, additives, chemicals and other raw materials280 227 
Materials and supplies171 167 
Inventories$965 $918