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Inventories - Schedule of Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Inventory Disclosure [Abstract]    
Finished goods $ 777 $ 764
Raw materials 26 25
Work in process 688 675
Supplies 81 79
Total (approximates current cost) 1,572 1,543
Decrease to last in, first out (“LIFO”) costs (3) (7)
Inventory 1,569 1,536
Recognized as:    
Inventories 1,362 1,321
Other assets 207 215
Inventories valued under the LIFO method $ 145 $ 133