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Inventories (Schedule Of Inventories) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Inventories [Abstract]
Finished goods	$ 392	$ 312
Work in process	168	199
Raw materials and accessories	271	268
Supplies and packing materials	220	196
Total inventories	$ 1,051	$ 975

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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