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Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Schedule of components of inventories

	June 30, 2018				December 31, 2017
	(in millions)
Raw materials and precious metals	$	144			$	114
In-process inventories	29				22
Finished goods	185				172
Parts and supplies	75				77
Total Inventories	$	433			$	385

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- References

No definition available.

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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-Publisher FASB
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-SubTopic 10
-Section S99
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