Commitments and Contingencies - Additional Information (Detail) (USD $)		1 Months Ended					6 Months Ended	12 Months Ended	6 Months Ended
	Jun. 30, 2012	Sep. 30, 2010 Kleen Products Llc Versus Packaging Corp of America	May 31, 2012 Tepper Versus Temple Inland	Feb. 13, 2012 Tepper Versus Temple Inland	Jun. 30, 2012 Cass Lake, Minnesota	Jun. 30, 2011 Cass Lake, Minnesota	Jun. 30, 2012 Kalamazoo River Superfund Site	Dec. 31, 2011 San Jacinto River Superfund Site	Jun. 30, 2012 Bogalusa Louisiana LegalMatter
Commitments and Contingencies [Line Items]
Estimated remedial costs with a probable liability	$ 93,000,000
Accrual for loss contingencies					49,000,000	46,000,000
Environmental remediation on closed or formerly-owned facilities, recorded as liabilities in balance sheet	47,000,000
Potential remediation costs							79,000,000
Potential civil penalties per day, minimum								50
Potential civil penalties per day, maximum								25,000
Amount of claims settled									1,000,000
Potential fines or penalties may levied									1,000,000
Number of lawsuits company named a defendant									17
Number of manufacturers alleged as violation of act		8
Loss contingency, consideration for release payment			80,000,000
Loss contingency, established purchase-price accounting reserve				80,000,000
Potential loss due to unfavorable decision in Brazilian tax court	$ 31,000,000