Inventories (Schedule of Inventory) (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Finished products	$ 1,369	$ 1,175
Work in process	257	234
Raw materials	774	723
Supplies	39	39
Total	$ 2,439	$ 2,171

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