Contingencies (Details) (USD $) In Millions, unless otherwise specified		3 Months Ended	6 Months Ended
	Jan. 08, 2013 in	Jun. 30, 2014 3M vs. Tredegar	Jun. 30, 2014 3M vs. Tredegar
Loss Contingencies [Line Items]
Litigation Settlement, Amount		$ 10	$ 10
Minimum thickness of performance enhancing layer on films required to avoid antidumping duty order	0.00001