XML 39 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following:
 September 30, 2020December 31, 2019
 (in millions)
Finished goods$259 $311 
Raw materials, spare parts and supplies39 40 
Total inventories$298 $351