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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
(In millions)September 30, 2020December 31, 2019September 30, 2019
Finished products$2,074 $2,684 $2,295 
Semi-finished products1,878 1,850 1,691 
Raw materials and supplies422 498 417 
Total inventories$4,374 $5,032 $4,403