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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Inventories
(In millions)December 31, 2021December 31, 2020
Raw materials$713 $416 
Semi-finished products1,056 633 
Finished products388 300 
Supplies and sundry items53 53 
Total$2,210 $1,402