Legal Proceedings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Loss contingencies
Number of sites for state law proceedings under environmental matters	17
Number of Sites for Proceedings under Environmental Matters in Brazil	1
Number of multiemployer defined benefit pensions plans	3
Number of underfunded multiemployer defined benefit pensions plans	3
Percentage of nondeductible excise tax imposed upon by IRS on the amount of the accumulated funding deficiency for those employers contributing to the fund	5.00%
Sao Paulo city services tax for years 2004-2009
Loss contingencies
Estimated city services tax, penalties and interest	50.7
Dixie Toga Ltda | Sao Paulo city services tax for years 1991-1995
Loss contingencies
Estimated city services tax	54.5
Dixie Toga Ltda | Sao Paulo city services tax for years 1996-2001
Loss contingencies
Estimated city services tax and penalties	26.4
Estimated increase in city service tax and penalties for interest, monetary adjustments and costs	151.8
Itap Bemis Ltda. | Sao Paulo city services tax for years 1996-2001
Loss contingencies
Estimated city services tax and penalties	8.2
Estimated increase in city service tax and penalties for interest, monetary adjustments and costs	52.2