Income Taxes (Components Of Earnings From Continuing Operations Before Income Taxes And Equity Earnings By Taxing Jurisdiction) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended															12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Income Tax Expense (Benefit) [Abstract]
U.S.																$ 478		$ 874		$ 198
Income (Loss) from Continuing Operations before Income Taxes, Foreign																546		584		624
EARNINGS (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES AND EQUITY EARNINGS	$ 287	[1]	$ 320	[2]	$ 204	[3]	$ 213	[4]	$ 416	[5]	$ 381	$ 293	[5]	$ 368	[5]	$ 1,024	[1],[2],[3],[4]	$ 1,458	[5]	$ 822

[1] Includes a pre-tax charge of $17 million ($13 million after taxes) for an inventory write-off, severance and other costs associated with the restructuring of the Company’s xpedx operations, a pre-tax charge of $12 million ($7 million after taxes) for costs associated with the signing of an agreement to acquire Temple-Inland, a pre-tax gain of $4 million ($3 million after taxes) for an adjustment to the previously recorded loss to reduce the carrying value of the Company’s Shorewood business, a charge of $3 million (before and after taxes) for asset impairment charges at our Inverurie, Scotland mill which was closed in 2009, and a gain of $6 million (before and after taxes) for interest associated with a tax claim.

[2] Includes a pre-tax charge of $16 million ($10 million after taxes) for costs associated with the acquisition of a majority share of Andhra Pradesh Paper Mills Limited in India, a pre-tax charge of $18 million ($13 million after taxes) for costs associated with the restructuring of the Company’s xpedx operations, a pre-tax charge of $8 million ($5 million after taxes) for costs associated with signing an agreement to acquire Temple-Inland, a pre-tax charge of $6 million ($4 million after taxes) for costs associated with the sale of the Company’s Shorewood operations, and a pre-tax charge of $82 million (a gain of $140 million after taxes) to reduce the carrying value of the Shorewood business based on the terms of the definitive agreement to sell this business.

[3] Includes a pre-tax charge of $27 million ($17 million after taxes) for an environmental reserve related to the Company’s property in Cass Lake, Minnesota, a pre-tax gain of $21 million ($13 million after taxes) related to the reversal of environmental reserves due to the announced repurposing of a portion of the Franklin mill, a pre-tax charge of $10 million ($6 million after taxes) for costs associated with the restructuring of the Company’s xpedx operations, and a pre-tax charge of $129 million ($104 million after taxes) for a fixed-asset impairment of the North American Shorewood business.

[4] Includes a pre-tax charge of $32 million ($19 million after taxes) for early debt extinguishment costs, a pre-tax charge of $7 million ($4 million after taxes) for costs associated with the restructuring of the Company’s xpedx operations, and a charge of $8 million (before and after taxes) for asset impairment costs associated with the Inverurie, Scotland mill which was closed in 2009.

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