Businesses Held for Sale Divestitures and Impairments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended			0 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012 Shorewood divestiture Other divestitures and impairments	Mar. 31, 2013 Temple Inland Building Products Business Other divestitures and impairments	Dec. 31, 2012 Temple Inland Building Products Business Other divestitures and impairments Facilities	Feb. 13, 2013 Deltic Timber Corporation (Deltic) Temple Inland Building Products Business Other divestitures and impairments	Mar. 31, 2013 Temple Inland Building Products Business Other divestitures and impairments	Dec. 31, 2012 Temple Inland Building Products Business Other divestitures and impairments	Feb. 13, 2013 Georgia-Pacific Temple Inland Building Products Business Other divestitures and impairments	Dec. 12, 2012 Georgia-Pacific Temple Inland Building Products Business Other divestitures and impairments
Businesses Held for Sale, Divestitures and Impairments [Line Items]
Disposal group, transfer of ownership interest						50.00%
Business combination, liabilities assumed and cash, net						$ 20
Business combination, contractual purchase price									710	750
Assets of businesses held for sale	775	759		775	759
Goodwill, gross	7,956	7,744					26	26
Acquired finite and indefinite lived intangible asset, amount							153	153
Liabilities of businesses held for sale	43	44		43	44
Number of facilities to be sold					16
Gain (loss) on sale of business, before tax			7
Gain (loss) on sale of business, after tax			$ 6