Acquisitions And Joint Ventures (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		0 Months Ended	3 Months Ended					1 Months Ended
	Mar. 31, 2011	Mar. 31, 2012	Feb. 13, 2012 Temple-Inland Inc. [Member]	Mar. 31, 2012 Temple-Inland Inc. [Member]	Mar. 31, 2012 Andhra Pradesh Paper Mills Limited [Member]	Oct. 14, 2011 Andhra Pradesh Paper Mills Limited [Member]	Oct. 08, 2011 Acquisition Related Additional Tender Offer [Member]	Dec. 31, 2011 Shandong IP & Sun Food Packaging Co., Ltd. [Member]	Dec. 31, 2011 International Paper [Member] Shandong IP & Sun Food Packaging Co., Ltd. [Member]	Dec. 31, 2011 Sun Food Packaging Co., Ltd. [Member] Shandong IP & Sun Food Packaging Co., Ltd. [Member]	Oct. 14, 2011 Non-Compete Agreement [Member]
Business Acquisition [Line Items]
Outstanding common stock acquired, price per share			$ 32.00
Acquisition of business, debt assumed			$ 700
Acquisition of business, purchase price											58
Mills required to be divested			3
Tons of aggregate capacity to be divested			970,000
Number of months within which mills are required to be divested			4 months
Number of 30-day extensions related to timeframes in which mills are required to be divested			2
Number of days of extensions of timeframes within which mills are required to be divested			30 days
Percentage of interest acquired						75.00%			55.00%	45.00%
Land-use rights, value										28
Percentage of outstanding shares acquired						53.50%	21.50%
Acquisition of businesses, cash paid						226	105
Cash paid to purchase interest in joint venture									55
Combined production capacity, tons								400,000
Deposited in escrow account		25
Gain on bargain purchase price adjustment	7				1
Write-up of inventory				20
Write-up of inventory, after tax				12
Integration costs associated with acquisition				43
Integration costs associated with acquisition, after taxes				$ 33