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Inventories, Net (Details) - USD ($) $ in Millions		Mar. 31, 2017	Dec. 31, 2016
Components of inventories [Abstract]
Raw materials		$ 193	$ 194
Work-in-process		35	41
Finished goods, net		191	204
Materials and supplies, net	[1]	105	107
Total		524	546
Less: Inventories, net - non-current		(14)	(14)
Inventories, net - current		510	532
Inventory on consignment		23	24
Inventory obsolescence reserves		17	17
Reserves for lower of cost or market		$ 24	$ 26
[1] Consists of processing chemicals, maintenance supplies, and spare parts, which will be consumed directly and indirectly in the production of our products.

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Including the current and noncurrent portions,, amount before valuation and LIFO reserves of inventory expected to be converted to cash, sold or exchanged.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Gross amount of inventory owned by the entity but in the hands of a customer, typically a reseller.

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