- Inventories by Major Classification (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Finished goods	$ 272us-gaap_InventoryFinishedGoods	$ 267us-gaap_InventoryFinishedGoods
Work in process	221us-gaap_InventoryWorkInProcess	202us-gaap_InventoryWorkInProcess
Raw materials	137us-gaap_InventoryRawMaterials	130us-gaap_InventoryRawMaterials
Materials and supplies	58us-gaap_OtherInventorySupplies	57us-gaap_OtherInventorySupplies
Inventories	$ 688us-gaap_InventoryNet	$ 656us-gaap_InventoryNet

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

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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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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-Publisher SEC

-Name Regulation S-X (SX)

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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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-Publisher SEC

-Name Regulation S-X (SX)

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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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-Publisher FASB

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-Glossary Inventory

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