Supplementary Financial Statement Information (Inventories By Major Category) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Supplementary Financial Statement Information [Abstract]
Raw materials	$ 368	$ 419
Finished pulp, paper and packaging products	1,503	1,505
Operating supplies	390	364
Other	59	59
Inventories	$ 2,320	$ 2,347

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Carrying amount as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer).

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Carrying amount as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product.

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Carrying amount as of the balance sheet date of inventories of a nature not otherwise specified in the taxonomy.

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Carrying amount as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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