Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventories
Finished goods	$ 235	$ 232
Work in process	37us-gaap_InventoryWorkInProcess	35us-gaap_InventoryWorkInProcess
Raw materials	56	62
Total	$ 328us-gaap_InventoryNet	$ 329us-gaap_InventoryNet

The aggregated amount of merchandise or goods held by the entity and readily available for future sale plus items held by the entity which are partially complete or in the process of being readied for future sale. This amount is net of valuation reserves and adjustments.

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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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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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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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