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Nature of Business - Additional Information (Detail)		1 Months Ended			12 Months Ended							1 Months Ended	12 Months Ended
Nature of Business - Additional Information (Detail)	Dec. 31, 2012 Employee	Apr. 30, 2009 U S W Y	Aug. 31, 2008 U S W Y	Dec. 31, 2012 Other Unions	Dec. 31, 2012 Minimum U S W	Dec. 31, 2012 Minimum Other Unions	Dec. 31, 2012 Minimum Contracts For Unionized Corrugated Products Plant Employees	Dec. 31, 2012 Maximum U S W	Dec. 31, 2012 Maximum Other Unions	Dec. 31, 2012 Maximum Contracts For Unionized Corrugated Products Plant Employees	Dec. 31, 2012 Corrugated Plants	Apr. 30, 2009 Corrugated Plants U S W	Dec. 31, 2012 Combining Plants	Dec. 31, 2012 Sheet Plants	Dec. 31, 2012 Graphic Design Centers	Dec. 31, 2012 Kraft Linerboard Mills Property Employee	Dec. 31, 2012 Medium Mills Property Employee
Nature Of Business [Line Items]
Number of plants											71	25	41	30	7	2	2
Total number of employees of PCA	8,600															2,600	6,000
Percentage of hourly employees represented by unions	75.00%		91.00%	9.00%
Number of contract years extended under labor agreement		5	5
Expiration date of labor agreement					September 2013	October 2014	November 2012	June 2015	June 2017	March 2018