Supplemental Information (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Inventories
Raw materials and supplies	$ 355	$ 339
Work in process	323	321
Finished goods	989	991
Total inventories	$ 1,667	$ 1,651

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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