XML 23 R13.htm IDEA: XBRL DOCUMENT v3.21.2
Inventories (Notes)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following:
September 30,
2021
December 31,
2020
Finished products$639 $524 
Feedstock, additives, chemicals and other raw materials316 227 
Materials and supplies169 167 
Inventories$1,124 $918